Summary of Yields

Table 1. Summary of Yields for Maturity Group IV Early for the 1997 Mississippi Soybean Variety Trials.^1,2

Variety Brand Clarks. Stone. Stone. Stone. Stone. Delta
avg. Olive
Branch Prairie MSU Raymond Hill
avg. Overall
avg.

EPI EPNI LPI LPNI

bu/a bu/a bu/a bu/a bu/a bu/a bu/a bu/a bu/a bu/a bu/a bu/a

AP 4880

AgriPro

31.4

62.3

34.1

53.9

22.6

40.9

69.9

45.3

28.9

33.6

44.4

42.5

A4341

Asgrow

24.9

48.8

20.5

46.3

18.5

31.8

49.5

29.9

22.8

19.5

30.4

31.2

A4715

Asgrow

28.2

42.9

18.0

39.4

20.2

29.7

51.3

36.9

30.3

29.2

36.9

32.9

DP3478

Deltapine

29.4

56.5

29.1

51.1

26.6

37.5

74.3

38.8

31.6

30.3

43.7

40.3

HBK 4755

Hornbeck

44.7

47.4

17.1

44.9

16.7

34.2

59.5

33.1

25.3

23.1

35.3

34.7

HY 4540

HyPerformer

28.5

41.3

14.9

33.3

16.6

26.9

51.3

36.2

26.9

31.3

36.4

31.1

S46-44

NK

35.0

49.7

25.5

48.5

20.8

35.9

55.4

35.7

20.2

27.2

34.6

35.3

TV4479

Terral

31.0

45.5

15.6

36.4

12.4

28.2

53.7

36.7

25.3

26.3

35.5

31.4

TV4664

Terral

33.1

51.5

16.3

44.5

13.8

31.8

63.1

36.3

31.5

23.8

38.7

34.9

Stressland

Public

37.3

54.4

16.0

46.4

12.0

33.2

57.8

34.3

28.6

16.1

34.2

33.7

TN4-86

Public

15.4

45.8

16.2

41.1

22.5

28.2

50.7

40.5

26.1

25.8

35.8

31.5

Overall mean
30.4
49.6
20.3
44.2
18.4
32.6
57.9
36.7
27.0
26.0
36.9
34.5

LSD (.10)
11.8
11.6
5.2
9.9
4.7
4.0
5.3
5.7
4.6
4.5
2.4
2.4

Error degrees of freedom
20
20
20
20
20
100
20
20
20
20
80
180

CV (%)
27.5
16.6
18.3
16.0
18.3
20.0
6.5
11.1
12.1
12.2
9.7
15.7

R² (%)
59
49
83
54
76
88
89
70
78
84
96
92

¹All are released varieties.
²EPI=Early Planted Irrigated; EPNI=Early Planted Nonirrigated; LPI=Late Planted Irrigated; and LPNI=Late Planted Nonirrigated.

Table 1. Summary of Yields for Maturity Group IV Early for the 1997 Mississippi Soybean Variety Trials.^1,2
Variety	Brand	Clarks.	Stone.	Stone.	Stone.	Stone.	Delta avg.	Olive Branch	Prairie	MSU	Raymond	Hill avg.	Overall avg.
EPI	EPNI	LPI	LPNI
	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a
AP 4880	AgriPro	31.4	62.3	34.1	53.9	22.6	40.9	69.9	45.3	28.9	33.6	44.4	42.5
A4341	Asgrow	24.9	48.8	20.5	46.3	18.5	31.8	49.5	29.9	22.8	19.5	30.4	31.2
A4715	Asgrow	28.2	42.9	18.0	39.4	20.2	29.7	51.3	36.9	30.3	29.2	36.9	32.9
DP3478	Deltapine	29.4	56.5	29.1	51.1	26.6	37.5	74.3	38.8	31.6	30.3	43.7	40.3
HBK 4755	Hornbeck	44.7	47.4	17.1	44.9	16.7	34.2	59.5	33.1	25.3	23.1	35.3	34.7
HY 4540	HyPerformer	28.5	41.3	14.9	33.3	16.6	26.9	51.3	36.2	26.9	31.3	36.4	31.1
S46-44	NK	35.0	49.7	25.5	48.5	20.8	35.9	55.4	35.7	20.2	27.2	34.6	35.3
TV4479	Terral	31.0	45.5	15.6	36.4	12.4	28.2	53.7	36.7	25.3	26.3	35.5	31.4
TV4664	Terral	33.1	51.5	16.3	44.5	13.8	31.8	63.1	36.3	31.5	23.8	38.7	34.9
Stressland	Public	37.3	54.4	16.0	46.4	12.0	33.2	57.8	34.3	28.6	16.1	34.2	33.7
TN4-86	Public	15.4	45.8	16.2	41.1	22.5	28.2	50.7	40.5	26.1	25.8	35.8	31.5
*Overall mean*	*30.4*	*49.6*	*20.3*	*44.2*	*18.4*	*32.6*	*57.9*	*36.7*	*27.0*	*26.0*	*36.9*	*34.5*
*LSD (.10)*	*11.8*	*11.6*	*5.2*	*9.9*	*4.7*	*4.0*	*5.3*	*5.7*	*4.6*	*4.5*	*2.4*	*2.4*
*Error degrees of freedom*	20	20	20	20	20	*100*	20	20	20	20	80	*180*
*CV (%)*	*27.5*	*16.6*	*18.3*	*16.0*	*18.3*	*20.0*	*6.5*	*11.1*	*12.1*	*12.2*	*9.7*	*15.7*
*R² (%)*	59	49	83	54	76	88	89	70	78	84	96	92
¹All are released varieties. ²EPI=Early Planted Irrigated; EPNI=Early Planted Nonirrigated; LPI=Late Planted Irrigated; and LPNI=Late Planted Nonirrigated.

Table 2. Summary of Yields for Maturity Group IV Late for the 1997 Mississippi Soybean Variety Trials.¹

Variety Brand Clarks. Stone. Stone. Stone. Stone. Delta
avg. Olive
Branch Prairie MSU Raymond Hill
avg. Overall
avg.

EPI EPNI LPI LPNI

bu/a bu/a bu/a bu/a bu/a bu/a bu/a bu/a bu/a bu/a bu/a bu/a

Released Varieties

A4922

Asgrow

38.3

44.9

21.1

34.8

14.9

30.8

61.8

36.8

24.5

26.6

37.4

33.7

CX499c

DEKALB

38.1

42.0

17.6

44.2

15.5

31.5

44.2

34.5

13.0

23.1

28.7

30.3

Delta Grow 4710

Delta Grow

24.9

37.8

21.1

39.2

10.5

26.7

50.0

36.4

14.1

27.9

32.1

29.1

DK4860

Delta King

47.2

41.8

21.1

36.3

13.9

32.0

56.0

38.1

24.0

24.2

35.6

33.6

Dixie 478

Dixie

61.8

61.3

21.7

54.0

13.6

42.5

63.2

47.5

22.7

26.9

40.1

41.4

DG3495

Dyna-Gro

46.5

58.2

25.9

54.0

16.6

40.2

49.7

36.9

31.8

32.0

37.6

39.1

HBK 49

Hornbeck

60.8

64.8

35.1

59.6

18.5

47.7

54.1

43.3

32.7

39.1

42.3

45.3

HBK 5149

Hornbeck

54.4

50.5

33.9

45.7

17.3

40.3

63.4

38.5

28.2

30.4

40.1

40.2

S 48-14

NK

33.2

50.6

26.0

50.4

13.5

34.7

67.5

38.8

16.4

27.1

37.5

35.9

S 51-00

NK

63.1

62.6

22.1

49.6

14.1

42.3

70.9

43.1

31.0

31.1

44.0

43.1

9482

Pioneer

41.9

50.0

22.4

49.5

24.0

37.5

74.9

41.1

16.3

26.3

39.7

38.5

9511

Pioneer

65.1

66.0

38.6

46.4

21.0

47.4

66.5

48.7

33.3

36.1

46.1

46.8

499

Riverside

67.7

64.2

35.8

48.9

23.1

49.9

59.0

47.6

39.7

31.4

44.4

47.5

TV 4770

Terral

32.9

44.0

21.5

39.8

13.7

30.4

49.0

33.3

18.4

29.7

32.6

31.5

KS 4895

Public

63.6

67.6

32.2

45.1

18.9

45.5

69.8

37.0

21.4

33.6

40.5

43.3

Manokin

Public

50.9

54.4

34.3

53.2

24.1

43.4

70.8

49.6

34.0

33.1

46.9

44.9

TN4-86

Public

49.2

44.3

18.0

38.8

11.8

32.4

53.2

40.8

17.2

26.8

34.5

33.3

TN4-94

Public

63.7

52.6

23.0

44.7

15.2

39.8

54.3

40.7

18.5

22.5

34.0

37.2

Wicomico

Public

42.7

43.5

29.2

45.6

17.2

35.7

62.2

36.2

31.7

23.4

38.4

36.9

Experimental Lines

DGC750

DEKALB

27.7

35.9

18.9

37.0

18.5

27.6

57.1

37.1

14.8

16.9

31.5

29.3

DGC751

DEKALB

36.1

40.7

24.5

44.0

16.5

32.4

58.8

36.6

16.9

26.1

34.6

33.4

DK LDKX49994

Delta King

32.4

42.6

22.5

34.5

19.3

30.3

53.1

31.1

16.0

27.8

32.0

31.0

DPS 9749

Deltapine

53.7

47.6

16.6

39.5

10.2

33.5

62.3

45.3

26.6

36.3

42.6

37.6

HBK X9748

Hornbeck

60.4

60.2

29.4

49.7

16.7

43.3

54.5

40.4

11.9

29.0

34.0

39.1

RVS 490

Riverside

52.2

64.1

33.9

52.4

15.7

43.7

65.6

48.7

36.3

32.5

45.8

44.6

TVX4975

Terral

55.2

59.7

27.6

49.4

19.8

42.3

51.4

46.1

34.1

34.4

41.5

42.0

Overall mean
48.6
52.0
25.9
46.0
16.7
37.8
59.4
40.8
24.0
29.0
38.5
38.3

LSD (.10)
9.8
6.4
8.4
8.3
6.3
3.5
7.4
5.1
5.1
5.7
2.9
2.3

Error degrees of freedom
50
50
50
50
50
250
50
48
50
50
192
432

CV (%)
14.7
8.9
23.6
13.1
27.4
15.3
9.1
9.0
15.6
14.3
11.2
13.4

R² (%)
84
77
63
68
51
83
77
75
88
68
95
94

¹EPI=Early Planted Irrigated; EPNI=Early Planted Nonirrigated; LPI=Late Planted Irrigated; and LPNI=Late Planted Nonirrigated.

Table 2. Summary of Yields for Maturity Group IV Late for the 1997 Mississippi Soybean Variety Trials.¹
Variety	Brand	Clarks.	Stone.	Stone.	Stone.	Stone.	Delta avg.	Olive Branch	Prairie	MSU	Raymond	Hill avg.	Overall avg.
EPI	EPNI	LPI	LPNI
	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a
Released Varieties
A4922	Asgrow	38.3	44.9	21.1	34.8	14.9	30.8	61.8	36.8	24.5	26.6	37.4	33.7
CX499c	DEKALB	38.1	42.0	17.6	44.2	15.5	31.5	44.2	34.5	13.0	23.1	28.7	30.3
Delta Grow 4710	Delta Grow	24.9	37.8	21.1	39.2	10.5	26.7	50.0	36.4	14.1	27.9	32.1	29.1
DK4860	Delta King	47.2	41.8	21.1	36.3	13.9	32.0	56.0	38.1	24.0	24.2	35.6	33.6
Dixie 478	Dixie	61.8	61.3	21.7	54.0	13.6	42.5	63.2	47.5	22.7	26.9	40.1	41.4
DG3495	Dyna-Gro	46.5	58.2	25.9	54.0	16.6	40.2	49.7	36.9	31.8	32.0	37.6	39.1
HBK 49	Hornbeck	60.8	64.8	35.1	59.6	18.5	47.7	54.1	43.3	32.7	39.1	42.3	45.3
HBK 5149	Hornbeck	54.4	50.5	33.9	45.7	17.3	40.3	63.4	38.5	28.2	30.4	40.1	40.2
S 48-14	NK	33.2	50.6	26.0	50.4	13.5	34.7	67.5	38.8	16.4	27.1	37.5	35.9
S 51-00	NK	63.1	62.6	22.1	49.6	14.1	42.3	70.9	43.1	31.0	31.1	44.0	43.1
9482	Pioneer	41.9	50.0	22.4	49.5	24.0	37.5	74.9	41.1	16.3	26.3	39.7	38.5
9511	Pioneer	65.1	66.0	38.6	46.4	21.0	47.4	66.5	48.7	33.3	36.1	46.1	46.8
499	Riverside	67.7	64.2	35.8	48.9	23.1	49.9	59.0	47.6	39.7	31.4	44.4	47.5
TV 4770	Terral	32.9	44.0	21.5	39.8	13.7	30.4	49.0	33.3	18.4	29.7	32.6	31.5
KS 4895	Public	63.6	67.6	32.2	45.1	18.9	45.5	69.8	37.0	21.4	33.6	40.5	43.3
Manokin	Public	50.9	54.4	34.3	53.2	24.1	43.4	70.8	49.6	34.0	33.1	46.9	44.9
TN4-86	Public	49.2	44.3	18.0	38.8	11.8	32.4	53.2	40.8	17.2	26.8	34.5	33.3
TN4-94	Public	63.7	52.6	23.0	44.7	15.2	39.8	54.3	40.7	18.5	22.5	34.0	37.2
Wicomico	Public	42.7	43.5	29.2	45.6	17.2	35.7	62.2	36.2	31.7	23.4	38.4	36.9
Experimental Lines
DGC750	DEKALB	27.7	35.9	18.9	37.0	18.5	27.6	57.1	37.1	14.8	16.9	31.5	29.3
DGC751	DEKALB	36.1	40.7	24.5	44.0	16.5	32.4	58.8	36.6	16.9	26.1	34.6	33.4
DK LDKX49994	Delta King	32.4	42.6	22.5	34.5	19.3	30.3	53.1	31.1	16.0	27.8	32.0	31.0
DPS 9749	Deltapine	53.7	47.6	16.6	39.5	10.2	33.5	62.3	45.3	26.6	36.3	42.6	37.6
HBK X9748	Hornbeck	60.4	60.2	29.4	49.7	16.7	43.3	54.5	40.4	11.9	29.0	34.0	39.1
RVS 490	Riverside	52.2	64.1	33.9	52.4	15.7	43.7	65.6	48.7	36.3	32.5	45.8	44.6
TVX4975	Terral	55.2	59.7	27.6	49.4	19.8	42.3	51.4	46.1	34.1	34.4	41.5	42.0
*Overall mean*	*48.6*	*52.0*	*25.9*	*46.0*	*16.7*	*37.8*	*59.4*	*40.8*	*24.0*	*29.0*	*38.5*	*38.3*
*LSD (.10)*	*9.8*	*6.4*	*8.4*	*8.3*	*6.3*	*3.5*	*7.4*	*5.1*	*5.1*	*5.7*	*2.9*	*2.3*
*Error degrees of freedom*	50	50	50	50	50	*250*	50	48	50	50	*192*	*432*
*CV (%)*	*14.7*	*8.9*	*23.6*	*13.1*	*27.4*	*15.3*	*9.1*	*9.0*	*15.6*	*14.3*	*11.2*	*13.4*
*R² (%)*	84	77	63	68	51	83	77	75	88	68	95	94
¹EPI=Early Planted Irrigated; EPNI=Early Planted Nonirrigated; LPI=Late Planted Irrigated; and LPNI=Late Planted Nonirrigated.

Table 3. Summary of Yields for Maturity Group V Early for the 1997 Mississippi Soybean Variety Trials.¹

Variety Brand Clarks. Stone. Stone. Stone. Stone. Delta
avg. Olive
Branch Prairie MSU Raymond Hill
avg. Overall
avg.

EPI EPNI LPI LPNI

bu/a bu/a bu/a bu/a bu/a bu/a bu/a bu/a bu/a bu/a bu/a bu/a

Released Varieities

A5547

Asgrow

57.6

52.8

18.9

46.5

12.5

37.6

69.2

43.0

47.7

37.9

49.5

42.9

CX 510C

DEKALB

59.1

52.4

21.5

44.2

15.1

38.4

65.0

39.8

38.5

33.5

44.2

41.0

DP 3519^S

Deltapine

46.4

39.3

8.4

28.6

11.6

26.9

67.5

31.3

46.9

38.7

46.1

35.4

Delta King 5475

Delta King

59.5

46.4

20.0

41.8

12.0

35.9

69.2

31.4

50.7

33.6

46.2

40.5

H5050

Hartz

64.9

54.2

32.6

53.9

18.9

44.9

75.5

44.3

55.4

37.2

53.1

48.5

H5218

Hartz

62.6

49.9

28.7

50.8

9.3

40.3

70.2

37.8

38.8

32.7

44.9

42.3

H5454

Hartz

52.5

43.1

18.9

41.6

12.5

33.7

76.9

33.8

51.7

47.0

52.3

42.0

HY 574

HyPerformer

63.6

50.1

29.4

52.7

19.2

43.0

76.2

20.4

50.7

37.3

46.2

44.4

S57-11

NK

59.9

50.9

29.5

51.8

18.0

42.0

59.3

32.7

48.2

39.0

44.8

43.3

RVS 77

Riverside

60.2

46.8

26.5

47.3

17.8

39.7

66.9

32.8

45.2

35.7

45.1

42.1

RVS 529I

Riverside

56.0

56.1

25.9

55.6

16.7

42.1

57.8

36.6

41.1

29.9

41.4

41.7

RVS 549

Riverside

58.5

50.5

26.5

51.9

12.2

39.9

70.0

36.2

43.8

36.7

46.7

42.9

Robin-5

Riverside

61.4

40.3

14.2

30.0

7.0

30.6

71.7

31.9

49.8

38.9

48.1

38.4

TV5495

Terral

57.4

48.5

18.3

38.4

14.3

35.4

68.7

41.8

51.4

43.2

51.3

42.4

TV5770

Terral

64.1

46.6

16.2

50.8

10.9

37.7

73.9

38.4

48.8

30.0

47.8

42.2

TV5797

Terral

45.8

47.1

15.4

43.3

13.3

33.0

68.4

43.2

48.6

39.1

49.8

40.5

Delsoy 5500

Public

65.5

55.8

28.3

48.1

15.0

42.6

60.5

36.9

47.0

35.3

44.9

43.6

Hutcheson

Public

62.6

51.2

25.0

39.5

10.5

37.8

74.4

32.2

44.4

43.5

48.6

42.6

Pace

Public

57.7

50.6

23.0

42.3

12.8

37.3

55.4

32.9

40.9

28.1

39.3

38.2

Rhodes

Public

56.3

45.8

26.2

45.2

12.3

37.2

64.7

29.7

48.9

33.4

44.2

40.3

TN5-95

Public

50.8

47.6

20.9

46.1

15.4

36.2

65.2

34.5

37.7

29.3

41.7

38.6

Experimental Lines

DGC753

DEKALB

52.2

42.8

26.1

46.1

17.3

36.9

68.1

36.2

39.3

28.7

43.1

39.6

Delta Grow 5330

Delta Grow

52.4

55.1

24.5

45.2

13.5

38.1

73.8

41.4

38.0

38.7

48.0

42.5

DK LDKX51496

Delta King

63.6

56.8

16.1

47.1

15.1

39.7

66.0

27.5

44.8

27.4

41.4

40.5

DK LDKX57722

Delta King

52.6

52.2

18.0

36.0

16.5

35.1

59.8

30.9

36.6

23.9

37.8

36.3

DPS 9752

Deltapine

64.5

64.4

27.2

53.5

20.6

46.1

64.9

38.5

51.2

37.9

48.1

47.0

J94-5

Public

29.2

36.6

10.4

29.2

8.0

22.7

61.6

30.7

25.2

28.4

36.5

28.8

R93-171

Public

56.6

56.0

21.5

43.9

14.4

38.5

74.0

34.4

47.2

37.2

48.2

42.8

Overall mean
56.9
49.8
22.6
45.3
14.2
37.9
67.1
34.9
45.3
34.6
45.5
41.2

LSD (.10)
7.2
6.0
7.1
9.2
4.7
3.1
5.8
8.1
6.7
6.1
3.3
2.3

Error degrees of freedom
58
58
58
58
58
290
58
58
58
58
232
522

CV (%)
9.3
8.8
23.0
14.8
24.4
13.7
6.3
17.0
10.9
12.9
10.9
12.3

R² (%)
78
79
70
66
61
95
76
55
71
72
93
94

¹EPI=Early Planted Irrigated; EPNI=Early Planted Nonirrigated; LPI=Late Planted Irrigated; and LPNI=Late Planted Nonirrigated.

Table 3. Summary of Yields for Maturity Group V Early for the 1997 Mississippi Soybean Variety Trials.¹
Variety	Brand	Clarks.	Stone.	Stone.	Stone.	Stone.	Delta avg.	Olive Branch	Prairie	MSU	Raymond	Hill avg.	Overall avg.
EPI	EPNI	LPI	LPNI
	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a
Released Varieities
A5547	Asgrow	57.6	52.8	18.9	46.5	12.5	37.6	69.2	43.0	47.7	37.9	49.5	42.9
CX 510C	DEKALB	59.1	52.4	21.5	44.2	15.1	38.4	65.0	39.8	38.5	33.5	44.2	41.0
DP 3519^S	Deltapine	46.4	39.3	8.4	28.6	11.6	26.9	67.5	31.3	46.9	38.7	46.1	35.4
Delta King 5475	Delta King	59.5	46.4	20.0	41.8	12.0	35.9	69.2	31.4	50.7	33.6	46.2	40.5
H5050	Hartz	64.9	54.2	32.6	53.9	18.9	44.9	75.5	44.3	55.4	37.2	53.1	48.5
H5218	Hartz	62.6	49.9	28.7	50.8	9.3	40.3	70.2	37.8	38.8	32.7	44.9	42.3
H5454	Hartz	52.5	43.1	18.9	41.6	12.5	33.7	76.9	33.8	51.7	47.0	52.3	42.0
HY 574	HyPerformer	63.6	50.1	29.4	52.7	19.2	43.0	76.2	20.4	50.7	37.3	46.2	44.4
S57-11	NK	59.9	50.9	29.5	51.8	18.0	42.0	59.3	32.7	48.2	39.0	44.8	43.3
RVS 77	Riverside	60.2	46.8	26.5	47.3	17.8	39.7	66.9	32.8	45.2	35.7	45.1	42.1
RVS 529I	Riverside	56.0	56.1	25.9	55.6	16.7	42.1	57.8	36.6	41.1	29.9	41.4	41.7
RVS 549	Riverside	58.5	50.5	26.5	51.9	12.2	39.9	70.0	36.2	43.8	36.7	46.7	42.9
Robin-5	Riverside	61.4	40.3	14.2	30.0	7.0	30.6	71.7	31.9	49.8	38.9	48.1	38.4
TV5495	Terral	57.4	48.5	18.3	38.4	14.3	35.4	68.7	41.8	51.4	43.2	51.3	42.4
TV5770	Terral	64.1	46.6	16.2	50.8	10.9	37.7	73.9	38.4	48.8	30.0	47.8	42.2
TV5797	Terral	45.8	47.1	15.4	43.3	13.3	33.0	68.4	43.2	48.6	39.1	49.8	40.5
Delsoy 5500	Public	65.5	55.8	28.3	48.1	15.0	42.6	60.5	36.9	47.0	35.3	44.9	43.6
Hutcheson	Public	62.6	51.2	25.0	39.5	10.5	37.8	74.4	32.2	44.4	43.5	48.6	42.6
Pace	Public	57.7	50.6	23.0	42.3	12.8	37.3	55.4	32.9	40.9	28.1	39.3	38.2
Rhodes	Public	56.3	45.8	26.2	45.2	12.3	37.2	64.7	29.7	48.9	33.4	44.2	40.3
TN5-95	Public	50.8	47.6	20.9	46.1	15.4	36.2	65.2	34.5	37.7	29.3	41.7	38.6
Experimental Lines
DGC753	DEKALB	52.2	42.8	26.1	46.1	17.3	36.9	68.1	36.2	39.3	28.7	43.1	39.6
Delta Grow 5330	Delta Grow	52.4	55.1	24.5	45.2	13.5	38.1	73.8	41.4	38.0	38.7	48.0	42.5
DK LDKX51496	Delta King	63.6	56.8	16.1	47.1	15.1	39.7	66.0	27.5	44.8	27.4	41.4	40.5
DK LDKX57722	Delta King	52.6	52.2	18.0	36.0	16.5	35.1	59.8	30.9	36.6	23.9	37.8	36.3
DPS 9752	Deltapine	64.5	64.4	27.2	53.5	20.6	46.1	64.9	38.5	51.2	37.9	48.1	47.0
J94-5	Public	29.2	36.6	10.4	29.2	8.0	22.7	61.6	30.7	25.2	28.4	36.5	28.8
R93-171	Public	56.6	56.0	21.5	43.9	14.4	38.5	74.0	34.4	47.2	37.2	48.2	42.8
*Overall mean*	*56.9*	*49.8*	*22.6*	*45.3*	*14.2*	*37.9*	*67.1*	*34.9*	*45.3*	*34.6*	*45.5*	*41.2*
*LSD (.10)*	*7.2*	*6.0*	*7.1*	*9.2*	*4.7*	*3.1*	*5.8*	*8.1*	*6.7*	*6.1*	*3.3*	*2.3*
*Error degrees of freedom*	58	58	58	58	58	*290*	58	58	58	58	*232*	*522*
*CV (%)*	*9.3*	*8.8*	*23.0*	*14.8*	*24.4*	*13.7*	*6.3*	*17.0*	*10.9*	*12.9*	*10.9*	*12.3*
*R² (%)*	78	79	70	66	61	95	76	55	71	72	93	94
¹EPI=Early Planted Irrigated; EPNI=Early Planted Nonirrigated; LPI=Late Planted Irrigated; and LPNI=Late Planted Nonirrigated.

Table 4. Summary of Yields for Maturity Group V Late for the 1997 Mississippi Soybean Variety Trials.¹

Variety Brand Clarks. Stone. Stone. Stone. Stone. Delta
avg. Olive
Branch Prairie MSU Raymond Hill
avg. Overall
avg.

EPI EPNI LPI LPNI

bu/a bu/a bu/a bu/a bu/a bu/a bu/a bu/a bu/a bu/a bu/a bu/a

Released Varieities

A5843

Asgrow

64.2

57.8

16.5

40.0

16.1

38.9

70.6

39.5

54.1

24.8

47.2

42.6

A5848

Asgrow

62.6

56.3

27.0

49.0

20.9

43.2

67.6

39.7

49.1

28.6

46.2

44.5

A5944

Asgrow

64.8

56.6

30.0

52.7

18.8

44.6

73.4

42.8

50.7

31.8

49.7

46.9

A5959

Asgrow

63.9

55.1

29.1

50.4

15.2

42.8

78.8

42.9

50.8

33.8

51.6

46.7

55

Buckshot

52.5

51.3

19.2

25.6

8.8

31.5

65.5

44.3

52.0

28.2

47.5

38.6

CX570C

DEKALB

59.9

55.6

29.7

61.1

23.0

45.9

72.8

35.1

59.6

27.0

48.6

47.1

Delta King 5850

Delta King

63.3

54.4

21.2

46.4

6.5

38.4

67.7

34.3

52.4

20.1

43.6

40.7

Delta King 5995

Delta King

58.8

54.4

24.2

48.5

13.2

39.8

78.6

35.4

52.7

35.6

50.6

44.6

DP 3588

Deltapine

55.0

51.1

37.8

54.6

21.7

44.0

60.9

42.8

59.1

25.4

47.1

45.4

DG3576

Dyna-Gro

60.0

49.5

29.7

35.2

10.9

37.1

68.9

37.2

44.8

30.1

45.2

40.7

HLA572

Hartz

57.9

47.3

21.2

30.8

5.4

32.5

67.8

35.1

60.6

34.4

49.5

40.1

S59-60

NK

68.3

51.9

28.0

45.2

17.3

42.1

70.0

39.7

61.6

33.2

51.1

46.1

9592

Pioneer

56.0

56.0

30.8

53.1

18.2

42.8

72.2

41.5

48.0

31.0

48.2

45.2

9594

Pioneer

66.0

60.0

34.7

55.4

19.7

47.2

78.2

45.4

54.4

34.2

53.1

49.8

TV5893

Terral

54.7

54.7

33.8

53.7

18.3

43.0

71.7

41.5

58.7

29.8

50.4

46.3

TV5926

Terral

66.7

52.0

30.9

50.5

16.6

43.3

61.1

34.2

45.4

35.9

44.2

43.7

ACCOMAC

Public

55.0

51.2

16.2

23.3

8.4

30.8

64.7

36.5

48.6

27.8

44.4

36.8

UARK-5896

Public

53.9

46.3

32.9

58.9

21.2

42.7

67.7

40.7

49.1

35.6

48.3

45.2

Experimental Lines

DGC758

DEKALB

55.8

53.4

35.8

51.9

26.0

44.6

72.2

41.0

55.1

35.8

51.0

47.4

DGC759

DEKALB

69.3

50.2

25.5

44.8

19.3

41.8

60.8

42.6

49.9

28.8

45.5

43.5

DK LDKX54589

Delta King

60.4

47.4

26.7

46.1

15.4

39.2

57.1

30.4

41.2

24.1

38.2

38.8

HBK X9657A

Hornbeck

62.5

53.0

22.1

50.2

18.5

41.3

66.9

37.5

54.8

34.1

48.3

44.4

HBK X9659A

Hornbeck

63.9

62.6

32.8

56.2

20.2

47.1

71.7

47.1

55.3

35.2

52.3

49.4

J94-7

Public

51.0

46.1

21.0

42.8

11.8

34.5

73.0

34.4

44.3

30.0

45.4

39.4

R92-1294

Public

62.3

56.1

40.0

55.8

24.4

47.7

71.6

48.0

53.8

28.6

50.5

48.9

S92-1679

Public

47.0

40.9

18.5

47.9

14.2

33.7

62.5

28.6

56.1

20.1

41.8

37.3

Overall mean
59.8
52.8
27.6
46.9
16.3
40.7
69.1
39.2
52.4
29.9
47.7
43.8

LSD (.10)
5.9
5.1
8.5
8.3
4.5
2.9
5.0
6.7
5.5
7.9
3.1
2.1

Error degrees of freedom
52
52
52
52
52
260
52
52
52
52
208
468

CV (%)
7.2
7.0
22.5
12.9
20.1
11.9
5.3
12.5
7.7
19.2
9.8
10.9

R² (%)
76
72
65
81
83
95
78
75
75
61
95
95

¹EPI=Early Planted Irrigated; EPNI=Early Planted Nonirrigated; LPI=Late Planted Irrigated; and LPNI=Late Planted Nonirrigated.

Table 4. Summary of Yields for Maturity Group V Late for the 1997 Mississippi Soybean Variety Trials.¹
Variety	Brand	Clarks.	Stone.	Stone.	Stone.	Stone.	Delta avg.	Olive Branch	Prairie	MSU	Raymond	Hill avg.	Overall avg.
EPI	EPNI	LPI	LPNI
	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a
Released Varieities
A5843	Asgrow	64.2	57.8	16.5	40.0	16.1	38.9	70.6	39.5	54.1	24.8	47.2	42.6
A5848	Asgrow	62.6	56.3	27.0	49.0	20.9	43.2	67.6	39.7	49.1	28.6	46.2	44.5
A5944	Asgrow	64.8	56.6	30.0	52.7	18.8	44.6	73.4	42.8	50.7	31.8	49.7	46.9
A5959	Asgrow	63.9	55.1	29.1	50.4	15.2	42.8	78.8	42.9	50.8	33.8	51.6	46.7
55	Buckshot	52.5	51.3	19.2	25.6	8.8	31.5	65.5	44.3	52.0	28.2	47.5	38.6
CX570C	DEKALB	59.9	55.6	29.7	61.1	23.0	45.9	72.8	35.1	59.6	27.0	48.6	47.1
Delta King 5850	Delta King	63.3	54.4	21.2	46.4	6.5	38.4	67.7	34.3	52.4	20.1	43.6	40.7
Delta King 5995	Delta King	58.8	54.4	24.2	48.5	13.2	39.8	78.6	35.4	52.7	35.6	50.6	44.6
DP 3588	Deltapine	55.0	51.1	37.8	54.6	21.7	44.0	60.9	42.8	59.1	25.4	47.1	45.4
DG3576	Dyna-Gro	60.0	49.5	29.7	35.2	10.9	37.1	68.9	37.2	44.8	30.1	45.2	40.7
HLA572	Hartz	57.9	47.3	21.2	30.8	5.4	32.5	67.8	35.1	60.6	34.4	49.5	40.1
S59-60	NK	68.3	51.9	28.0	45.2	17.3	42.1	70.0	39.7	61.6	33.2	51.1	46.1
9592	Pioneer	56.0	56.0	30.8	53.1	18.2	42.8	72.2	41.5	48.0	31.0	48.2	45.2
9594	Pioneer	66.0	60.0	34.7	55.4	19.7	47.2	78.2	45.4	54.4	34.2	53.1	49.8
TV5893	Terral	54.7	54.7	33.8	53.7	18.3	43.0	71.7	41.5	58.7	29.8	50.4	46.3
TV5926	Terral	66.7	52.0	30.9	50.5	16.6	43.3	61.1	34.2	45.4	35.9	44.2	43.7
ACCOMAC	Public	55.0	51.2	16.2	23.3	8.4	30.8	64.7	36.5	48.6	27.8	44.4	36.8
UARK-5896	Public	53.9	46.3	32.9	58.9	21.2	42.7	67.7	40.7	49.1	35.6	48.3	45.2
Experimental Lines
DGC758	DEKALB	55.8	53.4	35.8	51.9	26.0	44.6	72.2	41.0	55.1	35.8	51.0	47.4
DGC759	DEKALB	69.3	50.2	25.5	44.8	19.3	41.8	60.8	42.6	49.9	28.8	45.5	43.5
DK LDKX54589	Delta King	60.4	47.4	26.7	46.1	15.4	39.2	57.1	30.4	41.2	24.1	38.2	38.8
HBK X9657A	Hornbeck	62.5	53.0	22.1	50.2	18.5	41.3	66.9	37.5	54.8	34.1	48.3	44.4
HBK X9659A	Hornbeck	63.9	62.6	32.8	56.2	20.2	47.1	71.7	47.1	55.3	35.2	52.3	49.4
J94-7	Public	51.0	46.1	21.0	42.8	11.8	34.5	73.0	34.4	44.3	30.0	45.4	39.4
R92-1294	Public	62.3	56.1	40.0	55.8	24.4	47.7	71.6	48.0	53.8	28.6	50.5	48.9
S92-1679	Public	47.0	40.9	18.5	47.9	14.2	33.7	62.5	28.6	56.1	20.1	41.8	37.3
*Overall mean*	*59.8*	*52.8*	*27.6*	*46.9*	*16.3*	*40.7*	*69.1*	*39.2*	*52.4*	*29.9*	*47.7*	*43.8*
*LSD (.10)*	*5.9*	*5.1*	*8.5*	*8.3*	*4.5*	*2.9*	*5.0*	*6.7*	*5.5*	*7.9*	*3.1*	*2.1*
*Error degrees of freedom*	52	52	52	52	52	*260*	52	52	52	52	*208*	*468*
*CV (%)*	*7.2*	*7.0*	*22.5*	*12.9*	*20.1*	*11.9*	*5.3*	*12.5*	*7.7*	*19.2*	*9.8*	*10.9*
*R² (%)*	76	72	65	81	83	95	78	75	75	61	95	95
¹EPI=Early Planted Irrigated; EPNI=Early Planted Nonirrigated; LPI=Late Planted Irrigated; and LPNI=Late Planted Nonirrigated.

Table 5. Summary of Yields for Maturity Group VI for the 1997 Mississippi Soybean Variety Trials.
Variety Brand MSU Prairie Raymond Average

bu/a bu/a bu/a bu/a

Released Varieties

A6297

Asgrow

51.4

41.3

49.2

47.3

A6711

Asgrow

50.5

35.2

30.2

38.6

A6785

Asgrow

50.0

43.2

37.8

43.7

A6961

Asgrow

57.7

41.4

24.2

41.1

BU66

Buckshot

56.9

42.4

32.0

43.8

BU723

Buckshot

64.6

47.9

33.2

48.6

DP 3640

Deltapine

56.8

43.2

48.2

49.4

DP 3681

Deltapine

56.5

44.5

33.8

44.9

H6191

Hartz

58.6

47.9

29.5

45.3

H6255

Hartz

56.1

49.4

48.4

51.3

HBK 67

Hornbeck

48.7

34.7

15.5

33.0

HY663

HyPerformer

54.8

43.4

31.8

43.3

S62-62

NK

50.6

44.5

42.9

46.0

S65-50

NK

54.7

43.4

38.5

45.6

9611

Pioneer

44.9

40.5

37.2

40.9

9631

Pioneer

54.1

46.0

41.0

47.0

9692

Pioneer

56.4

45.8

34.4

45.5

9761

Pioneer

58.7

47.9

39.2

48.6

97b61

Pioneer

68.0

46.2

48.6

54.3

RVS678

Riverside

53.2

46.9

28.2

42.8

RVS699

Riverside

50.6

38.8

37.4

42.3

BOGGS

SGA

54.2

42.1

40.8

45.7

Terra-Vig 6792

Terral

49.0

41.8

39.0

43.3

Dillon

Public

55.6

37.9

30.1

41.2

Lamar

Public

47.2

37.5

30.7

38.4

Musen

Public

53.0

42.2

24.9

40.0

TN6-90

Public

43.4

41.8

39.1

41.4

Young

Public

50.2

37.1

34.2

40.5

Experimental Lines

DGC762

DEKALB

44.9

38.9

36.3

40.0

HBK X9666

Hornbeck

59.9

42.2

44.0

48.7

HBK X9668

Hornbeck

53.0

40.2

38.6

43.9

R90-149^S

Public

49.7

40.9

41.5

44.0

R92-1258

Public

53.2

53.7

40.7

49.2

R93-151

Public

44.3

44.6

35.5

41.5

SC89-147

Public

52.0

45.3

39.5

45.6

V88-494

Public

53.6

47.5

27.0

42.7

Overall mean
53.1
43.0
36.3
44.1

LSD (.10)
4.1
6.4
8.9
3.9

Error degrees of freedom
72
72
72
210

CV (%)
5.7
10.9
18.0
11.3

R²(%)
83
62
66
84

Table 5. Summary of Yields for Maturity Group VI for the 1997 Mississippi Soybean Variety Trials.
Variety	Brand	MSU	Prairie	Raymond	Average
	bu/a	bu/a	bu/a	bu/a
Released Varieties
A6297	Asgrow	51.4	41.3	49.2	47.3
A6711	Asgrow	50.5	35.2	30.2	38.6
A6785	Asgrow	50.0	43.2	37.8	43.7
A6961	Asgrow	57.7	41.4	24.2	41.1
BU66	Buckshot	56.9	42.4	32.0	43.8
BU723	Buckshot	64.6	47.9	33.2	48.6
DP 3640	Deltapine	56.8	43.2	48.2	49.4
DP 3681	Deltapine	56.5	44.5	33.8	44.9
H6191	Hartz	58.6	47.9	29.5	45.3
H6255	Hartz	56.1	49.4	48.4	51.3
HBK 67	Hornbeck	48.7	34.7	15.5	33.0
HY663	HyPerformer	54.8	43.4	31.8	43.3
S62-62	NK	50.6	44.5	42.9	46.0
S65-50	NK	54.7	43.4	38.5	45.6
9611	Pioneer	44.9	40.5	37.2	40.9
9631	Pioneer	54.1	46.0	41.0	47.0
9692	Pioneer	56.4	45.8	34.4	45.5
9761	Pioneer	58.7	47.9	39.2	48.6
97b61	Pioneer	68.0	46.2	48.6	54.3
RVS678	Riverside	53.2	46.9	28.2	42.8
RVS699	Riverside	50.6	38.8	37.4	42.3
BOGGS	SGA	54.2	42.1	40.8	45.7
Terra-Vig 6792	Terral	49.0	41.8	39.0	43.3
Dillon	Public	55.6	37.9	30.1	41.2
Lamar	Public	47.2	37.5	30.7	38.4
Musen	Public	53.0	42.2	24.9	40.0
TN6-90	Public	43.4	41.8	39.1	41.4
Young	Public	50.2	37.1	34.2	40.5
Experimental Lines
DGC762	DEKALB	44.9	38.9	36.3	40.0
HBK X9666	Hornbeck	59.9	42.2	44.0	48.7
HBK X9668	Hornbeck	53.0	40.2	38.6	43.9
R90-149^S	Public	49.7	40.9	41.5	44.0
R92-1258	Public	53.2	53.7	40.7	49.2
R93-151	Public	44.3	44.6	35.5	41.5
SC89-147	Public	52.0	45.3	39.5	45.6
V88-494	Public	53.6	47.5	27.0	42.7
Overall mean	*53.1*	*43.0*	*36.3*	*44.1*
LSD (.10)	*4.1*	*6.4*	*8.9*	*3.9*
Error degrees of freedom	72	72	72	*210*
CV (%)	*5.7*	*10.9*	*18.0*	*11.3*
R²(%)	83	62	66	84

Table 6. Summary of Yields for Maturity Group IV Early and Late Roundup Ready for the 1997 Mississippi Soybean Variety Trials.

Variety Brand MSU Stoneville Stoneville Average

Irrigated Nonirrigated

bu/a bu/a bu/a bu/a

Released Varieties

AG4501RR¹

Asgrow

24.1

56.9

23.4

34.8

AG4601RR¹

Asgrow

22.7

62.9

31.0

38.8

AG4701RR

Asgrow

18.8

55.0

29.9

34.6

AG4702RR

Asgrow

24.2

62.8

31.7

39.6

H4994RR

Hartz

32.2

66.8

35.9

45.0

H4998RR²

Hartz

36.3

66.7

34.5

45.8

RT446RR¹

MFA Morsoy

14.0

54.3

27.2

31.8

SF 477RR

SF Services

25.9

62.0

32.2

40.0

TV4666RR¹

Terral

18.7

59.6

21.1

33.1

Experimental Lines

DK LDKX45478RR

Delta King

26.3

54.5

30.3

37.0

UAPX 0063RR

Dyna-Gro

18.6

54.1

27.4

33.4

X9753RR

NK

26.8

57.0

30.1

38.0

SB-HBK X9648RR

Hornbeck

25.6

57.5

27.3

36.8

SB-HBK X9746RR¹

Hornbeck

10.0

35.9

16.2

20.7

Overall mean
23.1
57.6
28.4
36.4

LSD (.10)
4.4
6.1
4.6
2.9

Error degrees of freedom
26
26
26
78

CV (%)
13.7
7.6
11.7
10.1

R²(%)
88
82
80
97

¹Early Maturing.
²Harvested 9/29/97.

Table 6. Summary of Yields for Maturity Group IV Early and Late Roundup Ready for the 1997 Mississippi Soybean Variety Trials.
Variety	Brand	MSU	Stoneville	Stoneville	Average
Irrigated	Nonirrigated
	bu/a	bu/a	bu/a	bu/a
Released Varieties
AG4501RR¹	Asgrow	24.1	56.9	23.4	34.8
AG4601RR¹	Asgrow	22.7	62.9	31.0	38.8
AG4701RR	Asgrow	18.8	55.0	29.9	34.6
AG4702RR	Asgrow	24.2	62.8	31.7	39.6
H4994RR	Hartz	32.2	66.8	35.9	45.0
H4998RR²	Hartz	36.3	66.7	34.5	45.8
RT446RR¹	MFA Morsoy	14.0	54.3	27.2	31.8
SF 477RR	SF Services	25.9	62.0	32.2	40.0
TV4666RR¹	Terral	18.7	59.6	21.1	33.1
Experimental Lines
DK LDKX45478RR	Delta King	26.3	54.5	30.3	37.0
UAPX 0063RR	Dyna-Gro	18.6	54.1	27.4	33.4
X9753RR	NK	26.8	57.0	30.1	38.0
SB-HBK X9648RR	Hornbeck	25.6	57.5	27.3	36.8
SB-HBK X9746RR¹	Hornbeck	10.0	35.9	16.2	20.7
Overall mean	*23.1*	*57.6*	*28.4*	*36.4*
LSD (.10)	*4.4*	*6.1*	*4.6*	*2.9*
Error degrees of freedom	26	26	26	78
CV (%)	*13.7*	*7.6*	*11.7*	*10.1*
R²(%)	88	82	80	97
¹Early Maturing. ²Harvested 9/29/97.

Table 7. Summary of Yields for Maturity Group V Early and Roundup Ready
for the 1997 Mississippi Soybean Variety Trials.

Variety Brand MSU Stoneville Stoneville Average

Irrigated Nonirrigated

bu/a bu/a bu/a bu/a

Released Varieties

AP543RR

AgriPro

40.0

63.5

38.2

47.2

AG5601RR

Asgrow

32.3

58.6

34.2

41.7

AG5602RR

Asgrow

36.8

61.8

33.9

44.2

H5545RR

Hartz

43.8

52.8

42.7

46.4

H5351RR

Hartz

35.3

65.8

41.8

47.6

H5088RR

Hartz

44.4

56.4

33.6

44.8

H5855RR

Hartz

36.5

61.6

44.3

47.5

RT541RR

MFA Morsoy

37.7

64.9

35.6

46.1

SG567RR

Sure-Grow

38.0

56.1

29.8

41.3

SF567RR

SF Services

37.3

69.3

34.6

47.1

TV5666RR

Terral

35.8

64.8

40.2

46.9

Experimental Lines

DGC550RR

DEKALB

40.2

63.2

41.3

48.2

DGC7530RR

DEKALB

37.0

64.3

41.4

47.6

DGC7540RR

DEKALB

39.1

62.9

39.7

47.2

DGC7550RR

DEKALB

41.9

64.8

41.6

49.4

DK LDKX51155RR

Delta King

32.8

56.9

30.6

40.1

DK LDKX58974RR

Delta King

35.0

65.6

36.6

45.7

DP 5644RR

Deltapine

42.1

66.5

34.8

47.8

DP 5767RR

Deltapine

48.6

57.0

37.0

47.5

SB-HBK X9654RR

Hornbeck

36.5

62.5

41.6

46.9

SB-HBK X9754RR

Hornbeck

36.4

57.2

41.0

44.9

SB-HBKX9755RR

Hornbeck

41.0

62.9

35.8

46.6

TV 5466RR

Terral

37.2

62.4

38.0

45.9

Overall mean
38.5
61.8
37.7
46.0

LSD (.10)
6.5
5.7
7.3
3.8

Error degrees of freedom
44
44
44
126

CV (%)
12.2
6.7
14.1
10.5

R²(%)
53
60
47
91

Table 7. Summary of Yields for Maturity Group V Early and Roundup Ready for the 1997 Mississippi Soybean Variety Trials.
Variety	Brand	MSU	Stoneville	Stoneville	Average
Irrigated	Nonirrigated
	bu/a	bu/a	bu/a	bu/a
Released Varieties
AP543RR	AgriPro	40.0	63.5	38.2	47.2
AG5601RR	Asgrow	32.3	58.6	34.2	41.7
AG5602RR	Asgrow	36.8	61.8	33.9	44.2
H5545RR	Hartz	43.8	52.8	42.7	46.4
H5351RR	Hartz	35.3	65.8	41.8	47.6
H5088RR	Hartz	44.4	56.4	33.6	44.8
H5855RR	Hartz	36.5	61.6	44.3	47.5
RT541RR	MFA Morsoy	37.7	64.9	35.6	46.1
SG567RR	Sure-Grow	38.0	56.1	29.8	41.3
SF567RR	SF Services	37.3	69.3	34.6	47.1
TV5666RR	Terral	35.8	64.8	40.2	46.9
Experimental Lines
DGC550RR	DEKALB	40.2	63.2	41.3	48.2
DGC7530RR	DEKALB	37.0	64.3	41.4	47.6
DGC7540RR	DEKALB	39.1	62.9	39.7	47.2
DGC7550RR	DEKALB	41.9	64.8	41.6	49.4
DK LDKX51155RR	Delta King	32.8	56.9	30.6	40.1
DK LDKX58974RR	Delta King	35.0	65.6	36.6	45.7
DP 5644RR	Deltapine	42.1	66.5	34.8	47.8
DP 5767RR	Deltapine	48.6	57.0	37.0	47.5
SB-HBK X9654RR	Hornbeck	36.5	62.5	41.6	46.9
SB-HBK X9754RR	Hornbeck	36.4	57.2	41.0	44.9
SB-HBKX9755RR	Hornbeck	41.0	62.9	35.8	46.6
TV 5466RR	Terral	37.2	62.4	38.0	45.9
Overall mean	*38.5*	*61.8*	*37.7*	*46.0*
LSD (.10)	*6.5*	*5.7*	*7.3*	*3.8*
Error degrees of freedom	44	44	44	*126*
CV (%)	*12.2*	*6.7*	*14.1*	*10.5*
R²(%)	53	60	47	91

Table 8. Summary of Yields for Maturity Group V Late Roundup Ready
for the 1997 Mississippi Soybean Variety Trials.

Variety Brand MSU Stoneville Stoneville Average

Irrigated Nonirrigated

bu/a bu/a bu/a bu/a

Released Varieties

AP588RR

AgriPro

34.1

62.3

30.4

42.2

AG5081RR

Asgrow

35.8

68.4

41.8

48.7

AG5901RR

Asgrow

36.0

64.6

34.6

45.1

AG6101RR

Asgrow

36.2

66.8

30.9

44.6

H5889RR

Hartz

40.8

68.2

39.7

49.6

H5999RR

Hartz

34.0

69.9

40.7

48.2

HX60001RR

Hartz

43.2

60.3

32.9

45.5

S59-V6RR

NK

39.8

72.1

36.4

49.4

SG597RR

Sure-Grow

43.1

66.2

38.9

49.4

SG617RR

Sure-Grow

45.1

69.2

31.3

48.5

Experimental Lines

DGC7580RR

DEKALB

38.7

63.9

34.8

45.8

DK LDKX53234RR

Delta King

32.8

63.7

29.1

41.8

DP 5806RR

Deltapine

41.0

68.3

35.7

48.3

DP 5960RR

Deltapine

42.2

66.3

32.6

47.1

SB-HBK X9758RR

Hornbeck

42.6

65.5

34.7

47.6

TVX 5866RR

Terral

39.2

65.3

34.2

46.2

Overall mean
39.0
66.3
34.9
46.7

LSD (.10)
4.7
4.9
4.7
2.7

Error degrees of freedom
30
30
30
90

CV (%)
8.7
5.4
9.9
7.4

R²(%)
74
56
67
97

Table 8. Summary of Yields for Maturity Group V Late Roundup Ready for the 1997 Mississippi Soybean Variety Trials.
Variety	Brand	MSU	Stoneville	Stoneville	Average
Irrigated	Nonirrigated
	bu/a	bu/a	bu/a	bu/a
Released Varieties
AP588RR	AgriPro	34.1	62.3	30.4	42.2
AG5081RR	Asgrow	35.8	68.4	41.8	48.7
AG5901RR	Asgrow	36.0	64.6	34.6	45.1
AG6101RR	Asgrow	36.2	66.8	30.9	44.6
H5889RR	Hartz	40.8	68.2	39.7	49.6
H5999RR	Hartz	34.0	69.9	40.7	48.2
HX60001RR	Hartz	43.2	60.3	32.9	45.5
S59-V6RR	NK	39.8	72.1	36.4	49.4
SG597RR	Sure-Grow	43.1	66.2	38.9	49.4
SG617RR	Sure-Grow	45.1	69.2	31.3	48.5
Experimental Lines
DGC7580RR	DEKALB	38.7	63.9	34.8	45.8
DK LDKX53234RR	Delta King	32.8	63.7	29.1	41.8
DP 5806RR	Deltapine	41.0	68.3	35.7	48.3
DP 5960RR	Deltapine	42.2	66.3	32.6	47.1
SB-HBK X9758RR	Hornbeck	42.6	65.5	34.7	47.6
TVX 5866RR	Terral	39.2	65.3	34.2	46.2
Overall mean	*39.0*	*66.3*	*34.9*	*46.7*
LSD (.10)	*4.7*	*4.9*	*4.7*	*2.7*
Error degrees of freedom	30	30	30	90
CV (%)	*8.7*	*5.4*	*9.9*	*7.4*
R²(%)	74	56	67	97

Table 9. Summary of 2-year Yields for Maturity Group IV Early
for the 1996 and 1997 Mississippi Soybean Variety Trials.^1,2

Variety Brand Stoneville Stoneville Stoneville Delta average Olive Branch Raymond Hill average Overall
average

EPI EPNI LPI

bu/a bu/a bu/a bu/a bu/a bu/a bu/a bu/a

AP 4880

AgriPro

62.4

48.6

49.0

53.4

64.2

37.5

50.9

52.4

A4341

Asgrow

46.4

32.2

46.0

41.7

39.7

19.9

29.8

37.0

A4715

Asgrow

48.7

38.5

41.5

42.9

52.8

34.7

43.7

43.2

DP3478

Deltapine

54.3

42.9

50.4

49.2

68.1

36.9

52.5

50.5

HBK4755

Hornbeck

52.5

36.0

49.6

46.0

56.1

28.3

42.2

44.1

HY 4540

HyPerformer

49.3

36.4

39.3

41.7

51.0

37.1

44.0

42.6

TV4479

Terral

51.0

37.4

42.9

43.7

50.1

36.9

43.5

43.6

Stressland

Public

53.9

33.1

48.6

45.2

50.2

22.1

36.1

41.6

TN4-86

Public

51.2

37.0

41.7

43.3

48.3

31.0

39.6

41.8

Overall mean
52.2
38.2
44.9
45.1
53.0
32.0
42.5
44.1

LSD (.10)
6.3
4.0
6.9
3.3
4.7
3.9
3.0
2.3

Error degrees of freedom
28
28
28
84
28
28
56
140

CV (%)
12.2
10.6
15.7
13.2
9.0
12.4
10.3
12.2

R²(%)
66
97
55
90
89
91
95
92

¹All are released varieties.
²EPI=Early Planted Irrigated; EPNI=Early Planted Nonirrigated; LPI=Late Planted Irrigated.

Table 10. Summary of 2-year Yields for Maturity Group IV Late
for the 1996 and 1997 Mississippi Soybean Variety Trials.¹,²

Variety Brand Stoneville Stoneville Stoneville Delta average Olive Branch Raymond Hill average Overall
average

EPI EPNI LPI

bu/a bu/a bu/a bu/a bu/a bu/a bu/a bu/a

A4922

Asgrow

53.2

39.2

39.9

44.1

56.7

35.0

45.8

44.8

CX499c

DEKALB

45.3

31.0

39.9

38.7

42.8

31.4

37.1

38.1

DG3495

Dyna-Gro

53.4

36.5

47.7

45.8

41.5

32.4

36.9

42.3

HBK 49

Hornbeck

58.9

41.8

53.8

51.5

45.6

37.7

41.6

47.6

HBK 5149

Hornbeck

53.6

48.5

45.6

49.2

61.4

44.6

53.0

51.1

S48-14

NK

55.1

39.5

47.3

47.3

53.8

39.4

46.6

47.0

S51-00

NK

63.0

40.5

50.6

51.3

61.8

40.1

51.0

51.2

9511

Pioneer

65.0

50.5

48.3

54.6

54.6

45.0

49.8

52.7

499

Riverside

55.7

40.7

52.6

49.7

50.3

38.4

44.6

47.6

TV 4770

Terral

52.2

42.6

43.1

46.0

46.0

38.8

42.4

44.5

KS 4895

Public

62.7

43.9

42.7

49.8

60.6

40.8

50.7

50.1

Manokin

Public

52.8

42.4

47.2

47.5

59.7

37.5

48.6

47.9

TN4-86

Public

47.3

37.9

40.2

41.8

51.5

31.7

41.6

41.7

TN4-94

Public

53.2

38.8

39.6

43.9

48.8

30.3

39.5

42.1

Wicomico

Public

46.2

39.1

45.3

43.5

51.3

30.4

40.9

42.5

Overall mean
54.6
40.3
45.6
46.8
51.8
36.4
44.1
45.7

LSD (.10)
4.0
5.4
5.9
3.0
5.4
4.8
3.6
2.3

Error degrees of freedom
52
52
52
156
52
52
104
260

CV (%)
7.6
14.0
13.5
11.5
10.8
13.6
12.0
11.7

R²(%)
85
92
65
89
86
83
90
89

¹All are released varieties.
²EPI=Early Planted Irrigated; EPNI=Early Planted Nonirrigated; LPI=Late Planted Irrigated.

Table 11. Summary of 2-year Yields for Maturity Group V Early
for the 1996 and 1997 Mississippi Soybean Variety Trials.^1,2

Variety Brand Clarksdale Stoneville Stoneville Stoneville Delta average Olive Branch Raymond Hill average Overall average

EPI LPI LPNI

bu/a bu/a bu/a bu/a bu/a bu/a bu/a bu/a bu/a

Released Varieities

A5547

Asgrow

63.3

50.6

55.5

23.1

48.1

68.2

35.3

51.8

49.3

CX 510C

DEKALB

46.1

45.5

43.8

19.5

37.8

61.4

31.0

46.2

41.2

DP 3519^S

Deltapine

36.1

46.6

42.1

23.7

37.1

61.5

35.4

48.4

40.9

Delta King 5475

Delta King

64.8

42.3

48.5

23.5

44.8

66.4

41.0

53.7

47.7

H5050

Hartz

73.6

52.4

60.4

29.1

53.9

65.6

43.6

54.6

54.3

H5218

Hartz

71.9

47.6

54.0

20.7

48.6

64.6

33.6

49.1

48.7

H5454

Hartz

63.7

46.8

52.6

26.6

47.4

71.2

44.1

57.6

50.8

HY 574

HyPerformer

73.9

51.3

59.4

32.2

54.2

70.2

41.9

56.1

54.8

S57-11

NK

69.4

49.9

55.5

26.5

50.3

57.6

42.1

49.8

50.2

RVS 77

Riverside

66.1

45.2

51.6

27.3

47.5

59.2

37.7

48.4

47.8

RVS 529I

Riverside

60.1

51.7

56.4

24.7

48.2

43.9

30.7

37.3

44.6

RVS 549

Riverside

70.0

47.7

57.1

26.1

50.2

63.1

43.7

53.4

51.3

Robin-5

Riverside

56.3

41.2

43.6

21.0

40.5

66.1

38.6

52.3

44.4

TV5495

Terral

51.2

48.5

48.0

27.2

43.7

62.2

43.4

52.8

46.7

TV5770

Terral

61.3

46.7

55.7

22.4

46.5

70.5

37.6

54.1

49.0

TV5797

Terral

46.9

46.1

51.0

25.1

42.3

64.3

38.1

51.3

45.3

Delsoy 5500

Public

62.6

52.0

51.9

23.8

47.6

58.3

28.9

43.6

46.2

Hutcheson

Public

69.8

51.2

49.9

24.7

48.9

68.0

42.4

55.2

51.0

Pace

Public

56.9

49.7

50.5

24.9

45.5

51.1

28.7

39.9

43.6

Rhodes

Public

64.2

42.9

51.0

22.6

45.2

59.2

35.4

47.3

45.9

TN5-95

Public

53.1

49.4

50.8

26.2

44.9

62.7

34.7

48.7

46.1

Overall mean
61.3
47.5
51.6
24.5
46.0
62.0
37.2
49.6
47.3

LSD (.10)
5.8
5.0
5.1
3.2
2.5
4.1
5.7
3.5
2.0

Error degrees of freedom
84
84
84
84
304
84
84
168
456

CV (%)
9.8
11.0
10.3
13.5
11.4
7.0
15.8
10.4
10.8

R² (%)
87
59
81
95
94
88
66
93
94

¹All are released varieties.
²EPI=Early Planted Irrigated; LPI=Late Planted Irrigated; and LPNI=Late Planted Nonirrigated.

Table 11. Summary of 2-year Yields for Maturity Group V Early for the 1996 and 1997 Mississippi Soybean Variety Trials.^1,2
Variety	Brand	Clarksdale	Stoneville	Stoneville	Stoneville	Delta average	Olive Branch	Raymond	Hill average	Overall average
EPI	LPI	LPNI
	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a
Released Varieities
A5547	Asgrow	63.3	50.6	55.5	23.1	48.1	68.2	35.3	51.8	49.3
CX 510C	DEKALB	46.1	45.5	43.8	19.5	37.8	61.4	31.0	46.2	41.2
DP 3519^S	Deltapine	36.1	46.6	42.1	23.7	37.1	61.5	35.4	48.4	40.9
Delta King 5475	Delta King	64.8	42.3	48.5	23.5	44.8	66.4	41.0	53.7	47.7
H5050	Hartz	73.6	52.4	60.4	29.1	53.9	65.6	43.6	54.6	54.3
H5218	Hartz	71.9	47.6	54.0	20.7	48.6	64.6	33.6	49.1	48.7
H5454	Hartz	63.7	46.8	52.6	26.6	47.4	71.2	44.1	57.6	50.8
HY 574	HyPerformer	73.9	51.3	59.4	32.2	54.2	70.2	41.9	56.1	54.8
S57-11	NK	69.4	49.9	55.5	26.5	50.3	57.6	42.1	49.8	50.2
RVS 77	Riverside	66.1	45.2	51.6	27.3	47.5	59.2	37.7	48.4	47.8
RVS 529I	Riverside	60.1	51.7	56.4	24.7	48.2	43.9	30.7	37.3	44.6
RVS 549	Riverside	70.0	47.7	57.1	26.1	50.2	63.1	43.7	53.4	51.3
Robin-5	Riverside	56.3	41.2	43.6	21.0	40.5	66.1	38.6	52.3	44.4
TV5495	Terral	51.2	48.5	48.0	27.2	43.7	62.2	43.4	52.8	46.7
TV5770	Terral	61.3	46.7	55.7	22.4	46.5	70.5	37.6	54.1	49.0
TV5797	Terral	46.9	46.1	51.0	25.1	42.3	64.3	38.1	51.3	45.3
Delsoy 5500	Public	62.6	52.0	51.9	23.8	47.6	58.3	28.9	43.6	46.2
Hutcheson	Public	69.8	51.2	49.9	24.7	48.9	68.0	42.4	55.2	51.0
Pace	Public	56.9	49.7	50.5	24.9	45.5	51.1	28.7	39.9	43.6
Rhodes	Public	64.2	42.9	51.0	22.6	45.2	59.2	35.4	47.3	45.9
TN5-95	Public	53.1	49.4	50.8	26.2	44.9	62.7	34.7	48.7	46.1
*Overall mean*	*61.3*	*47.5*	*51.6*	*24.5*	*46.0*	*62.0*	*37.2*	*49.6*	*47.3*
*LSD (.10)*	*5.8*	*5.0*	*5.1*	*3.2*	*2.5*	*4.1*	*5.7*	*3.5*	*2.0*
*Error degrees of freedom*	84	84	84	84	*304*	84	84	*168*	*456*
*CV (%)*	*9.8*	*11.0*	*10.3*	*13.5*	*11.4*	*7.0*	*15.8*	*10.4*	*10.8*
*R² (%)*	87	59	81	95	94	88	66	93	94
¹All are released varieties. ²EPI=Early Planted Irrigated; LPI=Late Planted Irrigated; and LPNI=Late Planted Nonirrigated.

Table 12. Summary of 2-year Yields for Maturity Group V Late
for the 1996 and 1997 Mississippi Soybean Variety Trials.^1,2

Variety Brand Clarksdale Stoneville Stoneville Stoneville Delta average Olive Branch Raymond Hill average Overall average

EPI LPI LPNI

bu/a bu/a bu/a bu/a bu/a bu/a bu/a bu/a bu/a

A5843

Asgrow

58.3

48.2

45.9

24.1

44.1

65.3

34.2

49.7

46.0

A5848

Asgrow

73.4

48.1

54.9

27.9

51.1

66.0

38.7

52.4

51.5

A5944

Asgrow

71.2

50.0

56.9

27.1

51.3

69.0

42.7

55.8

52.8

A5959

Asgrow

74.1

51.1

56.4

30.7

53.1

77.3

47.1

62.2

56.1

55

Buckshot

53.2

48.9

46.3

23.2

42.9

65.0

37.9

51.5

45.8

Delta King 5850

Delta King

65.1

52.1

52.6

23.0

48.2

66.7

31.6

49.1

48.5

DP 3588

Deltapine

59.3

48.5

58.4

30.4

49.1

59.5

36.4

48.0

48.7

DG3576

Dyna-Gro

65.7

41.2

46.0

21.4

43.6

63.4

27.1

45.2

44.1

HLA572

Hartz

68.0

45.5

45.0

22.0

45.1

63.6

51.1

57.4

49.2

S59-60

NK

76.2

49.7

53.9

28.3

52.0

66.7

41.7

54.2

52.7

9592

Pioneer

66.9

52.6

57.9

28.2

51.4

66.7

42.1

54.4

52.4

9594

Pioneer

66.9

51.6

62.8

31.6

53.2

70.9

48.0

59.4

55.3

TV5893

Terral

55.8

48.0

57.7

27.1

47.1

61.8

34.4

48.1

47.4

ACCOMAC

Public

41.7

49.7

39.6

22.6

38.4

55.4

28.1

41.7

39.5

UARK-5896

Public

67.8

43.5

58.3

32.0

50.4

62.2

46.7

54.6

51.8

R92-1294

Public

74.1

54.4

63.2

36.5

57.0

61.5

40.2

50.9

55.0

Overall mean
64.9
48.9
53.2
27.1
48.6
65.2
39.1
52.1
49.8

LSD (.10)
7.5
4.5
5.2
3.2
2.6
3.9
6.7
3.8
2.1

Error degrees of freedom
64
60
64
64
240
64
64
128
360

CV (%)
12.0
9.6
10.1
12.1
11.2
6.2
17.8
10.9
11.1

R² (%)
80
77
89
96
94
84
85
93
94

¹All are released varieties.
²EPI=Early Planted Irrigated; LPI=Late Planted Irrigated; and LPNI=Late Planted Nonirrigated.

Table 12. Summary of 2-year Yields for Maturity Group V Late for the 1996 and 1997 Mississippi Soybean Variety Trials.^1,2
Variety	Brand	Clarksdale	Stoneville	Stoneville	Stoneville	Delta average	Olive Branch	Raymond	Hill average	Overall average
EPI	LPI	LPNI
	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a
A5843	Asgrow	58.3	48.2	45.9	24.1	44.1	65.3	34.2	49.7	46.0
A5848	Asgrow	73.4	48.1	54.9	27.9	51.1	66.0	38.7	52.4	51.5
A5944	Asgrow	71.2	50.0	56.9	27.1	51.3	69.0	42.7	55.8	52.8
A5959	Asgrow	74.1	51.1	56.4	30.7	53.1	77.3	47.1	62.2	56.1
55	Buckshot	53.2	48.9	46.3	23.2	42.9	65.0	37.9	51.5	45.8
Delta King 5850	Delta King	65.1	52.1	52.6	23.0	48.2	66.7	31.6	49.1	48.5
DP 3588	Deltapine	59.3	48.5	58.4	30.4	49.1	59.5	36.4	48.0	48.7
DG3576	Dyna-Gro	65.7	41.2	46.0	21.4	43.6	63.4	27.1	45.2	44.1
HLA572	Hartz	68.0	45.5	45.0	22.0	45.1	63.6	51.1	57.4	49.2
S59-60	NK	76.2	49.7	53.9	28.3	52.0	66.7	41.7	54.2	52.7
9592	Pioneer	66.9	52.6	57.9	28.2	51.4	66.7	42.1	54.4	52.4
9594	Pioneer	66.9	51.6	62.8	31.6	53.2	70.9	48.0	59.4	55.3
TV5893	Terral	55.8	48.0	57.7	27.1	47.1	61.8	34.4	48.1	47.4
ACCOMAC	Public	41.7	49.7	39.6	22.6	38.4	55.4	28.1	41.7	39.5
UARK-5896	Public	67.8	43.5	58.3	32.0	50.4	62.2	46.7	54.6	51.8
R92-1294	Public	74.1	54.4	63.2	36.5	57.0	61.5	40.2	50.9	55.0
*Overall mean*	*64.9*	*48.9*	*53.2*	*27.1*	*48.6*	*65.2*	*39.1*	*52.1*	*49.8*
*LSD (.10)*	*7.5*	*4.5*	*5.2*	*3.2*	*2.6*	*3.9*	*6.7*	*3.8*	*2.1*
*Error degrees of freedom*	64	60	64	64	*240*	64	64	*128*	*360*
*CV (%)*	*12.0*	*9.6*	*10.1*	*12.1*	*11.2*	*6.2*	*17.8*	*10.9*	*11.1*
*R² (%)*	80	77	89	96	94	84	85	93	94
¹All are released varieties. ²EPI=Early Planted Irrigated; LPI=Late Planted Irrigated; and LPNI=Late Planted Nonirrigated.

Table 13. Summary of 3-year Yields for Maturity Group IV Early for the 1995, 1996, and 1997 Mississippi Soybean Variety Trials.¹^,²
Variety	Brand	Stoneville	Stoneville	Stoneville	Delta average	Olive Branch	Raymond	Hill average	Overall average
Variety	Brand	EPI	EPNI	LPI	Delta average	Olive Branch	Raymond	Hill average	Overall average
		bu/a	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a
A4341	Asgrow	51.5	37.8	51.9	47.1	40.3	22.0	31.2	40.7
A4715	Asgrow	50.4	40.7	45.7	45.6	49.8	35.9	42.9	44.5
DP3478	Deltapine	59.2	45.8	52.8	52.6	64.4	35.7	50.1	51.6
HY 4540	HyPerformer	50.5	38.5	43.6	44.2	49.2	36.7	42.9	43.7
TV4479	Terral	51.4	39.2	47.9	46.2	48.1	34.9	41.5	44.3
Stressland	Public	53.9	37.3	52.6	47.9	49.2	24.6	36.9	43.5
TN4-86	Public	51.8	36.9	40.9	43.2	48.4	30.9	39.7	41.8
*Overall mean*		*52.7*	*39.5*	*47.9*	*46.7*	*49.9*	*31.5*	*40.7*	*44.3*
*LSD (.10)*		*5.3*	*3.6*	*5.9*	*2.8*	*3.7*	*3.9*	*2.6*	*2.0*
*Error degrees of freedom*		36	36	36	*108*	36	36	72	*180*
*CV (%)*		*12.5*	*11.4*	*15.4*	*13.4*	*9.3*	*15.6*	*11.7*	*12.9*
*R² (%)*		65	96	70	88	87	84	93	90
¹All are released varieties. ²EPI=Early Planted Irrigated; EPNI=Early Planted Nonirrigated; and LPI=Late Planted Irrigated.

Table 14. Summary of 3-year Yields for Maturity Group IV Late for the 1995, 1996, and 1997 Mississippi Soybean Variety Trials.¹,²

Variety Brand Stoneville Stoneville Stoneville Delta average Olive Branch Raymond Hill average Overall average

EPI EPNI LPI

bu/a bu/a bu/a bu/a bu/a bu/a bu/a bu/a

A4922

Asgrow

53.5

43.4

44.8

47.3

52.9

32.4

42.7

45.4

CX499c

DEKALB

43.5

30.7

38.4

37.5

42.6

29.3

35.9

36.9

DG3495

Dyna-Gro

51.0

38.8

46.1

45.3

43.6

29.8

36.7

41.9

HBK 49

Hornbeck

56.7

43.7

52.1

50.8

47.7

33.6

40.7

46.7

499

Riverside

52.6

41.5

47.7

47.3

51.8

32.7

42.2

45.3

Manokin

Public

52.5

44.8

47.0

48.1

58.8

31.0

44.9

46.8

TN4-86

Public

47.6

40.5

37.6

41.9

49.1

29.7

39.4

40.9

TN4-94

Public

51.2

42.4

37.9

43.8

51.3

25.8

38.6

41.7

Wicomico

Public

48.5

43.5

45.0

45.7

53.1

23.0

38.0

42.6

Overall mean
50.8
41.0
44.1
45.3
50.1
29.7
39.9
43.1

LSD (.10)
3.1
4.1
3.4
2.0
4.2
3.6
2.8
1.6

Error degrees of freedom
48
48
48
144
48
48
96
240

CV (%)
7.7
12.5
9.7
9.9
10.7
15.5
12.5
10.9

R² (%)
81
90
84
89
82
87
93
91

¹All are released varieties.
²EPI=Early Planted Irrigated; EPNI=Early Planted Nonirrigated; and LPI=Late Planted Irrigated.

Table 15. Summary of 3-year Yields for Maturity Group V Early for the 1995, 1996, and 1997 Mississippi Soybean Variety Trials.¹,²

Variety Brand Clarksdale Stoneville Stoneville Delta average Olive Branch Raymond Hill average Overall average

LPI LPNI

bu/a bu/a bu/a bu/a bu/a bu/a bu/a bu/a

A5547

Asgrow

60.0

51.5

22.8

44.8

62.6

27.3

44.9

44.8

DP 3519^S

Deltapine

31.5

42.8

22.5

32.3

57.9

28.9

43.4

36.7

Delta King 5475

Delta King

61.8

45.1

23.4

43.5

59.5

31.7

45.6

44.3

H5050

Hartz

66.2

55.4

25.8

49.1

59.8

33.9

46.9

48.0

H5218

Hartz

65.0

47.8

19.6

44.1

60.4

28.9

44.6

44.3

H5454

Hartz

59.7

47.8

25.3

44.3

64.1

37.4

50.8

46.9

HY 574

HyPerformer

64.8

56.8

30.4

50.6

64.5

35.2

49.9

50.3

S57-11

NK

57.1

51.3

25.0

44.5

56.4

33.2

44.8

44.6

RVS 77

Riverside

63.6

51.0

24.6

46.4

57.6

30.7

44.1

45.5

RVS 592I

Riverside

55.1

49.8

21.5

42.1

40.2

23.3

31.7

38.0

RVS 549

Riverside

63.4

52.5

25.2

47.0

59.9

34.0

46.9

47.0

Robin-5

Riverside

57.6

43.3

21.7

40.9

60.1

34.0

47.1

43.3

TV5495

Terral

51.4

47.2

25.4

41.3

56.3

36.8

46.6

43.4

TV5797

Terral

49.1

48.5

22.9

40.2

58.8

32.6

45.7

42.4

Delsoy 5500

Public

60.4

47.1

22.5

43.3

55.1

25.0

40.0

42.0

Hutcheson

Public

65.2

48.6

23.2

45.6

63.2

38.1

50.7

47.6

Pace

Public

55.4

49.4

24.9

43.2

48.0

24.7

36.4

40.5

Rhodes

Public

57.7

46.2

22.4

42.1

52.1

27.5

39.8

41.2

TN5-95

Public

47.5

45.2

23.9

38.8

57.9

27.2

42.5

40.3

Overall mean
57.2
48.5
23.5
43.1
56.8
30.5
43.7
43.3

LSD (.10)
4.3
3.7
2.6
2.1
3.8
4.0
2.7
1.7

Error degrees of freedom
108
108
108
324
108
108
216
540

CV (%)
9.5
9.8
13.9
10.7
8.5
16.9
11.4
11.0

R² (%)
89
85
94
96
89
88
95
96

¹All are released varieties.
²LPI=Late Planted Irrigated and LPNI=Late Planted Nonirrigated.

Table 15. Summary of 3-year Yields for Maturity Group V Early for the 1995, 1996, and 1997 Mississippi Soybean Variety Trials.¹,²
Variety	Brand	Clarksdale	Stoneville	Stoneville	Delta average	Olive Branch	Raymond	Hill average	Overall average
LPI	LPNI
	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a	bu/a
A5547	Asgrow	60.0	51.5	22.8	44.8	62.6	27.3	44.9	44.8
DP 3519^S	Deltapine	31.5	42.8	22.5	32.3	57.9	28.9	43.4	36.7
Delta King 5475	Delta King	61.8	45.1	23.4	43.5	59.5	31.7	45.6	44.3
H5050	Hartz	66.2	55.4	25.8	49.1	59.8	33.9	46.9	48.0
H5218	Hartz	65.0	47.8	19.6	44.1	60.4	28.9	44.6	44.3
H5454	Hartz	59.7	47.8	25.3	44.3	64.1	37.4	50.8	46.9
HY 574	HyPerformer	64.8	56.8	30.4	50.6	64.5	35.2	49.9	50.3
S57-11	NK	57.1	51.3	25.0	44.5	56.4	33.2	44.8	44.6
RVS 77	Riverside	63.6	51.0	24.6	46.4	57.6	30.7	44.1	45.5
RVS 592I	Riverside	55.1	49.8	21.5	42.1	40.2	23.3	31.7	38.0
RVS 549	Riverside	63.4	52.5	25.2	47.0	59.9	34.0	46.9	47.0
Robin-5	Riverside	57.6	43.3	21.7	40.9	60.1	34.0	47.1	43.3
TV5495	Terral	51.4	47.2	25.4	41.3	56.3	36.8	46.6	43.4
TV5797	Terral	49.1	48.5	22.9	40.2	58.8	32.6	45.7	42.4
Delsoy 5500	Public	60.4	47.1	22.5	43.3	55.1	25.0	40.0	42.0
Hutcheson	Public	65.2	48.6	23.2	45.6	63.2	38.1	50.7	47.6
Pace	Public	55.4	49.4	24.9	43.2	48.0	24.7	36.4	40.5
Rhodes	Public	57.7	46.2	22.4	42.1	52.1	27.5	39.8	41.2
TN5-95	Public	47.5	45.2	23.9	38.8	57.9	27.2	42.5	40.3
*Overall mean*	*57.2*	*48.5*	*23.5*	*43.1*	*56.8*	*30.5*	*43.7*	*43.3*
*LSD (.10)*	*4.3*	*3.7*	*2.6*	*2.1*	*3.8*	*4.0*	*2.7*	*1.7*
*Error degrees of freedom*	*108*	*108*	*108*	*324*	*108*	*108*	*216*	*540*
*CV (%)*	*9.5*	*9.8*	*13.9*	*10.7*	*8.5*	*16.9*	*11.4*	*11.0*
*R² (%)*	89	85	94	96	89	88	95	96
¹All are released varieties. ²LPI=Late Planted Irrigated and LPNI=Late Planted Nonirrigated.

Table 16. Summary of 3-year Yields for Maturity Group V Late
for the 1995, 1996, and 1997 Mississippi Soybean Variety Trials.^1,2

Variety Brand Clarksdale Stoneville Stoneville Delta average Olive Branch Raymond Hill average Overall average

LPI LPNI

bu/a bu/a bu/a bu/a bu/a bu/a bu/a bu/a

A5843

Asgrow

58.4

46.0

23.0

42.5

59.9

25.1

42.5

42.5

A5848

Asgrow

68.6

52.3

25.6

48.6

63.1

33.1

48.1

48.4

A5944

Asgrow

69.4

53.2

25.6

49.4

65.6

34.2

49.9

49.6

55

Buckshot

47.6

45.0

24.1

38.9

59.2

28.5

43.9

40.9

Delta King 5850

Delta King

59.9

48.1

22.4

43.5

61.5

26.5

44.0

43.7

DP 3588

Deltapine

59.8

54.5

29.3

47.9

53.1

29.9

41.5

45.3

DG3576

Dyna-Gro

63.4

44.6

21.8

43.3

56.5

25.8

41.2

42.4

S59-60

NK

71.2

51.8

26.3

49.8

60.2

34.1

47.2

48.7

9592

Pioneer

64.1

51.3

25.5

46.9

58.9

32.6

45.7

46.5

TV5893

Terral

57.4

53.2

25.4

45.3

58.0

28.1

43.0

44.4

ACCOMAC

Public

41.5

37.9

20.2

33.1

51.8

23.3

40.6

34.9

UARK-5896

Public

62.8

54.2

29.8

48.9

57.5

38.0

47.7

48.4

Overall mean
60.5
49.2
24.7
46.3
59.1
30.3
45.8
44.7

LSD (.10)
5.7
3.8
2.6
2.5
3.2
4.9
2.9
1.9

Error degrees of freedom
72
72
72
162
72
72
108
360

CV (%)
12.0
9.8
13.6
11.8
7.0
20.7
11.5
12.0

R² (%)
81
89
94
95
90
88
95
95

¹All are released varieties.
²LPI=Late Planted Irrigated and LPNI=Late Planted Nonirrigated.