B1076 Tables 21-30

Nematode Management Investigations in Mississippi, 1997

Table 21. Effect of Vydate C-LV on population development of the reniform nematode on Sure Grow 501 cotton.¹
Treatment²	Rate per acre³	Application method	R. reniformis / 250 cm³ soil at 0-147 days after planting
Treatment²	Rate per acre³	Application method	0	41	73
Vydate C-LV	4 oz	6^th true leaf stage ⁵ + 14 days	4,905 a	2,304.6 a	2,214.5 a
Vydate C-LV	8 oz	6^th true leaf stage ⁵ + 14 days	3,167 a	2,909.5 a	2,047.1 a
Vydate C-LV	16 oz	6^th true leaf stage ⁵ + 14 days	3,245 a	2,871.1 a	2,085.8 a
Vydate C-LV	4 oz	6^th true leaf stage ⁵	3,811 a	2,832.5 a	1,995.6 a
Vydate C-LV	8 oz	6^th true leaf stage ⁵	4,571 a	2,884.0 a	1,969.9 a
Vydate C-LV + Gaucho	8 oz + 4 oz ai/cwt	6^th true leaf stage ⁵ +seed treatment	3,772 a	2,858.3 a	2,098.6
Temik 15G	3.5 lb	In-furrow	4,197 a	3,231.6 a	2,008.5 a
Temik 15G	5 lb	In-furrow	4,249 a	2,652.3 a	2,716.6 a
Di-Syston 8EC	1 lb ai	In-furrow	4,004 a	2,587.9 a	1,963.9 a
Control	--	--	3,875 a	3,630.8 a	2,562.1 a

LSD (P = 0.05)			2,271	1,436	1,444
¹Data are means of five replications. Means were compared using the least significant difference test. ²Vydate C-LV was applied at the 6 to 7 true leaf stage on June 30, 1997, and 14 days later on July 14, 1997. All Vydate C-LV plots received Temik 15G at 3.5 pounds of formulated product per acre in the seed furrow at planting. ³Rates were calculated based on 40-inch row spacing. ⁴Average reniform nematode population density across all sample dates. ⁵Pinhead square.

Table 21. Continued.

Table 21. Effect of Vydate C-LV on population development of the reniform nematode on Sure Grow 501 cotton.¹

Treatment² Rate
per acre³ Application
method R. reniformis / 250 cm3 soil at 0-147 days after planting Mean⁴

82 112 147

Vydate C-LV 4 oz 6^th true leaf stage ⁵
  + 14 days 3,012.8 ab 3,760 a 3,540.6 ab 3,289.6 ab

Vydate C-LV 8 oz 6^th true leaf stage ⁵
  + 14 days 2,575.0 abc 5,317 a 3,296.0 ab 3,218.7 ab

Vydate C-LV 16 oz 6^th true leaf stage ⁵
  + 14 days 2,343.3 abc 4,712 a 3,978.4 ab 3,205.9 ab

Vydate C-LV 4 oz 6^th true leaf stage ⁵ 2,690.9 abc 3,618 a 3,514.9 ab 3,077.2 ab

Vydate C-LV 8 oz 6^th true leaf stage ⁵ 2,665.1 abc 3,489 a 3,257.4 ab 3,139.4 ab

Vydate C-LV +
  Gaucho 8 oz +
  4 oz ai/cwt 6^th true leaf stage ⁵
  + seed treatment 1,995.6 bc 4,648 a 2,729.5 b 3,017.0 b

Temik 15G 3.5 lb In-furrow 2,472.0 abc 5,176 a 3,180.1 ab 3,377.5 ab

Temik 15G 5 lb In-furrow 1,686.6 c 4,197 a 2,793.9 b 3,049.2 b

Di-Syston 8EC 1 lb ai In-furrow 2,034.3 bc 5,845 a 3,849.6 ab 3,347.5 ab

Control -- -- 3,321.8 a 4,313 a 4,390.4 a 3,682.2 a

LSD (P = 0.05)
1,198.1 2,430 1,298 611

¹Data are means of five replications. Means were compared using the least significant difference test.
²Vydate C-LV was applied at the 6 to 7 true leaf stage on June 30, 1997, and 14 days later on July 14, 1997. All Vydate C-LV plots received Temik 15G at 3.5 pounds of formulated product per acre in the seed furrow at planting.
³Rates were calculated based on 40-inch row spacing.
⁴Average reniform nematode population density across all sample dates.
⁵Pinhead square.

Table 22. Effect of Vydate C-LV applied as a foliar spray on plant survival and height of Sure Grow 501 cotton in a field infested with the reniform nematode.

Treatment ² Rate
per acre³ Application
method Seedling
stand⁴ Plant height 16 and 96 days after 2^nd Vydate application ⁵

16 96

in in

Vydate C-LV 4 oz 6^th true leaf stage ⁶
  + 14 days 177 a 41.9 ab 47.2 ab

Vydate C-LV 8 oz 6^th true leaf stage ⁶
  + 14 days 159 ab 42.2 a 46.9 ab

Vydate C-LV 16 oz 6^th true leaf stage ⁶
  + 14 days 154 ab 40.6 abcd 46.4 ab

Vydate C-LV 4 oz 6^th true leaf stage ⁶ 165 ab 39.9 bcd 46.9 ab

Vydate C-LV 8 oz 6^th true leaf stage ⁶ 161 ab 39.9 bcd 47.4 a

Vydate C-LV +
  Gaucho 8 oz +
  4 oz ai/cwt 6^th true leaf stage ⁶ 155 ab 38.4 d 46.5 ab

Temik 15G 3.5 lb In-furrow 159 ab 39.9 bcd 49.0 a

Temik 15G 5 lb In-furrow 152 b 41.0 abc 48.0 a

Di-Syston 8EC 1 lb ai In-furrow 151 b 39.0 cd 41.9 bc

Control -- -- 157 ab 38.6 d 39.2 c

LSD (P=0.05)
23 2.2 5.4

¹Data are means of five replications. Means were compared using the least significant difference test.
²Vydate C-LV was applied at the 6 to 7 true leaf stage on June 30, 1997, and 14 days later on July 14, 1997. All Vydate C-LV plots received Temik 15G at 3.5 pounds of formulated product per acre in the seed furrow at planting.
³Rates were calculated based on 40-inch row spacing.
⁴Number of live plants per 40 feet of row; all rows received 210 seeds.
⁵Plant height recorded on July 30, 1997, and October 18, 1997.
⁶Pinhead square.

Table 23. The effect of Vydate C-LV on the number of bolls produced at the 1^st, 2^nd, and 3^rd fruiting positions on Sure Grow 501 cotton in a field infested with the reniform nematode.¹

Treatment ² Rate
per acre³ Application
method Open bolls⁴ Total open bolls
per plant

Position 1 Position 2 Position 3

Vydate C-LV 4 oz 6^th true leaf stage ⁵
  + 14 days 17.7 abc 6.0 cde 4.7 ab 28.33 bcd

Vydate C-LV 8 oz 6^th true leaf stage ⁵
  + 14 days 16.3 abc 7.0 cde 2.3 ab 25.67 bcd

Vydate C-LV 16 oz 6^th true leaf stage ⁵
  + 14 days 23.3 ab 14.0 ab 4.3 ab 41.67 ab

Vydate C-LV 4 oz 6^th true leaf stage ⁵ 22.0 ab 6.3 cde 3.3 ab 31.67 bcd

Vydate C-LV 8 oz 6^th true leaf stage ⁵ 27.0 a 15.3 a 7.0 a 49.33 a

Vydate C-LV +
  Gaucho 8 oz +
  4 oz ai/cwt 6^th true leaf stage ⁵ 24.0 ab 8.0 bcde 4.7 ab 36.67 ab

Temik 15G 3.5 lb In-furrow 17.3 abc 10.7 abcd 5.0 ab 33.00 bc

Temik 15G 5 lb In-furrow 22.3 ab 12.0 abc 4.7 ab 39.00 ab

Di-Syston 8EC 1 lb ai In-furrow 13.7 bc 3.3 e 0.7 b 17.67 cd

Control -- -- 10.3 c 4.7 de 1.0 b 16.00 d

LSD (P=0.05)
10.7 6.1 5.1 16.17

¹Data are means of five replications. Means were compared using the least significant difference test.
²Vydate C-LV was applied at the 6 to 7 true leaf stage on June 30, 1997, and 14 days later on July 14, 1997. All Vydate C-LV plots received Temik 15G at 3.5 pounds of formulated product per acre in the seed furrow at planting.
³Rates were calculated based on 40-inch row spacing.
⁴Average number of cotton bolls produced per plant in each fruiting position. Position 3 included the summation of all bolls at position 3 and above.
⁵Pinhead square.

Table 24. The effect of Vydate C-LV on the weight of open bolls produced at the 1^st, 2^nd, and 3^rd fruiting positions on Sure Grow 501 cotton in a field infested with the reniform nematode.¹

Treatment ² Rate per acre³ Application
method Seed cotton weight⁴ Total seed cotton weight per plant

Position 1 Position 2 Position 3

g g g g

Vydate C-LV 4 oz 6^th true leaf stage ⁵
  + 14 days 78.3 ab 21.3 cd 17.9 ab 117.37 bc

Vydate C-LV 8 oz 6^th true leaf stage ⁵
  + 14 days 79.4 ab 27.5 bcd 10.4 ab 117.37 bc

Vydate C-LV 16 oz 6^th true leaf stage ⁵
  + 14 days 102.8 a 59.9 a 23.4 a 186.13 ab

Vydate C-LV 4 oz 6^th true leaf stage ⁵ 98.8 a 27.3 bcd 12.8 ab 138.97 ab

Vydate C-LV 8 oz 6^th true leaf stage ⁵ 110.9 a 52.1 ab 26.4 a 189.37 a

Vydate C-LV +
  Gaucho 8 oz +
  4 oz ai/cwt 6^th true leaf stage ⁵ 98.0 a 37.0 abcd 20.2 ab 155.20 ab

Temik 15G 3.5 lb In-furrow 101.2 a 47.3 abc 21.3 ab 169.70 ab

Temik 15G 5 lb In-furrow 98.1 a 48.3 abc 17.8 ab 164.23 ab

Di-Syston 8EC 1 lb ai In-furrow 54.2 b 12.3 d 1.1 b 67.67 c

Control -- -- 47.2 b 16.6 d 2.4 b 66.20 c

LSD (P=0.05)
39.7 27.2 20.4 70.7

¹Data are means of five replications. Means were compared using the least significant difference test.
²Vydate C-LV was applied at the 6 to 7 true leaf stage on June 30, 1997, and 14 days later on July 14, 1997. All Vydate C-LV plots received Temik 15G at 3.5 pounds of formulated product per acre in the seed furrow at planting.
³Rates were calculated based on 40-inch row spacing.
⁴Average cotton weight (g) produced per plant in each fruiting position. Position 3 includes the summation of all cotton weight at position 3 and above.
⁵Pinhead square.

Table 25. Effect of Vydate C-LV on the number of nodes produced and the first fruiting node on Sure Grow 501 cotton in field infested with the reniform nematode.¹

Treatment² Rate
per acre³ Application
method Nodes per
plant Node of first
fruiting branch

Vydate C-LV 4 oz 6^th true leaf stage ⁴
  + 14 days 24.0 b 7.2 ab

Vydate C-LV 8 oz 6^th true leaf stage ⁴
  + 14 days 23.7 b 6.9 ab

Vydate C-LV 16 oz 6^th true leaf stage ⁴
  + 14 days 22.8 b 6.2 b

Vydate C-LV 4 oz 6^th true leaf stage ⁴ 24.2 b 7.3 ab

Vydate C-LV 8 oz 6^th true leaf stage ⁴ 24.1 b 6.0 b

Vydate C-LV +
  Gaucho 8 oz +
  4 oz ai/cwt 6^th true leaf stage ⁴ 23.9 b 7.1 ab

Temik 15G 3.5 lb In-furrow 31.6 a 7.3 ab

Temik 15G 5 lb In-furrow 24.3 b 7.4 ab

Di-Syston 8EC 1 lb ai In-furrow 22.2 b 8.8 a

Control -- -- 20.7 b 8.7 a

LSD (P=0.05)
5.5 1.9

¹Data are means of five applications. Means were compared using the least significant difference test.
²Vydate C-LV was applied at the 6 to 7 true leaf stage on June 30, 1997, and 14 days later on July 14, 1997. All Vydate C-LV plots received Temik 15G at 3.5 pounds of formulated product per acre in the seed furrow at planting.
³Rates were calculated based on 40-inch row spacing.
⁴Pinhead square.

Table 26. Effect of Vydate C-LV applied as a foliar spray on the yield of Sure Grow 501 cotton in a field infested with the reniform nematode. ¹

Treatment² Rate
per acre³ Application
method Seed
cotton Seed
cotton Yield
over control

lb/plot lb/A lb/A

Vydate C-LV 4 oz 6^th true leaf stage ⁴
  + 14 days 15.59 abc 2,548.4 abc 445.7

Vydate C-LV 8 oz 6^th true leaf stage ⁴
  + 14 days 15.24 abc 2,492.0 abc 389.3

Vydate C-LV 16 oz 6^th true leaf stage ⁴
  + 14 days 15.12 abc 2,472.0 abc 369.3

Vydate C-LV 4 oz 6^th true leaf stage ⁴ 18.40 a 3,008.3 a 905.6

Vydate C-LV 8 oz 6^th true leaf stage ⁴ 17.03 ab 2,783.5 ab 680.8

Vydate C-LV +
  Gaucho 8 oz +
  4 oz ai/cwt 6^th true leaf stage ⁴ 14.34 ab 2,344.7 bc 242.0

Temik 15G 3.5 lb In-furrow 15.17 abc 2,479.8 abc 377.1

Temik 15G 5 lb In-furrow 15.64 abc 2,556.9 abc 454.2

Di-Syston 8EC 1 lb ai In-furrow 12.60 c 2,059.6 bc -43.1

Control -- -- 12.86 c 2,102.7 c --

LSD (P=0.05)
3.85 629.52

Data are means of five replications. Means were compared using the least significant difference test.
²Vydate C-LV was applied at the 6 to 7 true leaf stage on June 30, 1997, and 14 days later on July 14, 1997. All Vydate C-LV plots received Temik 15G at 3.5 pounds of formulated product per acre in the seed furrow at planting.
³Rates were calculated based on 40-inch row spacing.
⁴Pinhead square.

Table 27. Effect of Temik 15G on population development of the reniform nematode on Sure Grow 501 cotton.¹

Treatment² Rate
per acre ³ Application
method R. reniformis / 250 cm³ soil at 0-147 days after planting

0 41 73

Control -- -- 3,463.4 a 3,875.4 abc 3,154.4 a

Temik 15G 3.5 lb In-furrow 3,296.0 a 2,858.3 c 1,660.9 b

Temik 15G 5 lb In-furrow 3,205.9 a 3,257.4 bc 2,227.4 ab

Temik 15G 7 lb In-furrow 3,811.0 a 3,205.9 bc 3,077.1 a

Temik 15G +
  Temik 15G 5 lb +
  5 lb In-furrow +
  sidedress 3,579.3 a 4,364.6 ab 2,832.5 ab

Temik 15G +
  Temik 15G 5 lb +
  10 lb In-furrow +
  sidedress 3,102.9 a 4,776.6 a 2,433.4 ab

Gaucho 4 oz ai/cwt Seed treatment 3,051.4 a 4,068.5 abc 3,141.5 a

LSD (P=0.05)
1,183 1,442 1,257

¹Data are means of five replications. Means were compared using the least significant difference test.
²Temik 15G sidedress treatments were applied at the 10 to 12 growth stage on July 1, 1997.
³Rates were calculated based on 40-inch row spacing.
⁴Average reniform nematode population density across all sample dates.

Table 27. Continued.

Table 27. Effect of Temik 15G on population development of the reniform nematode on Sure Grow 501 cotton.¹

Treatment² Rate
per acre³ Application
method R. reniformis / 250 cm3 soil at 0-147 days after planting Mean⁴

82 112 147

Control -- -- 4,802.4 a 5,497.6 a 4,287.4 a 4,180.1 ab

Temik 15G 3.5 lb In-furrow 5,098.5 a 4,815.3 a 4,828.1 a 3,759.5 b

Temik 15G 5 lb In-furrow 6,321.6 a 5,806.6 a 4,235.9 a 4,175.7 ab

Temik 15G 7 lb In-furrow 4,982.6 a 4,866.8 a 5,124.3 a 4,178.0 ab

Temik 15G +
  Temik 15G 5 lb +
  5 lb In-furrow +
  sidedress 4,635.0 a 4,828.1 a 5,021.3 a 4,210.1 ab

Temik 15G +
  Temik 15G 5 lb +
  10 lb In-furrow +
  sidedress 5,446.1 a 5,098.5 a 4,416.1 a 4,212.3 ab

Gaucho 4 oz ai/cwt Seed treatment 5,497.6 a 6,450.4 a 4,969.8 a 4,529.9 a

LSD (P=0.05)
1,715 2,046 1,410 627

¹Data are means of five replications. Means were compared using the least significant difference test.
²Temik 15G sidedress treatments were applied at the 10 to 12 growth stage on July 1, 1997.
³Rates were calculated based on 40-inch row spacing.
⁴Average reniform nematode population density across all sample dates.

Table 28. Effect of Temik 15G on plant survival and the height of Sure Grow 501 cotton in a field infested with the reniform nematode. ¹

Treatment ² Rate
per acre³ Application
method Seedling
stand⁴ Plant height at 30 and 110 days after sidedress application

30 110

in in

Control -- -- 177 a 40.85 ab 43.7 a

Temik 15G 3.5 lb In-furrow 163 ab 40.83 ab 46.9 a

Temik 15G 5 lb In-furrow 145 b 42.80 a 50.6 a

Temik 15G 7 lb In-furrow 156 ab 42.55 ab 48.5 a

Temik 15G +
  Temik 15G 5 lb +
  5 lb In-furrow +
  sidedress 156 ab 41.45 ab 48.2 a

Temik 15G +
  Temik 15G 5 lb +
  10 lb In-furrow +
  sidedress 166 ab 41.43 ab 46.2 a

Gaucho 4 oz ai/cwt Seed treatment 157 ab 39.50 b 44.0 a

LSD (P=0.05)
31 3.10 7.2

¹Data are means of five replications. Means were compared using the least significant difference test.
²Temik 15G sidedress treatments were applied at the 10 to 12 growth stage on July 1, 1997.
³Rates were calculated based on 40-inch row spacing.
⁴Number of live cotton plants per 40 feet of row; all rows received 210 seed.
⁵Plant height was measured on July 30, 1997, and October 18, 1997.

Table 29. Effect of Temik 15G on the numbers of bolls produced at the 1st, 2nd, and 3rd fruiting position on Sure Grow 501 cotton in a field infested with the reniform nematode.¹

Treatment ² Rate
per acre³ Application
method Open bolls⁴ Total open bolls
per plant

Position 1 Position 2 Position 3

Control -- -- 6.3 d 2.7 d 1.3 c 10.3 f

Temik 15G 3.5 lb In-furrow 19.7 ab 7.3 b 7.3 b 34.3 bc

Temik 15G 5 lb In-furrow 18.7 bc 6.0 bc 2.0 c 26.7 de

Temik 15G 7 lb In-furrow 12.7 cd 5.7 bcd 11.7 a 30.0 cd

Temik 15G +
  Temik 15G 5 lb +
  5 lb In-furrow +
  sidedress 22.0 ab 8.3 b 7.0 b 37.3 b

Temik 15G +
  Temik 15G 5 lb +
  10 lb In-furrow +
  sidedress 25.7 a 16.0 a 5.3 b 47.0 a

Gaucho 4 oz ai/cwt Seed treatment 16.7 bc 3.7 cd 2.0 c 22.3 e

LSD (P=0.05)
6.4 3.2 3.2 7.3

¹Data are means of five replications. Means were compared using the least significant difference test.
²Temik 15G sidedress treatments were applied at the 10 to 12 growth stage on July 1, 1997.
³Rates were calculated based on 40-inch row spacing.
⁴Average number of cotton bolls produced per plant in each fruiting position. Position 3 includes the summation of all bolls at 3 and above.

Table 30. Effect of Temik 15G on the weight of open bolls produced at the 1^st, 2^nd, and 3^rd fruiting positions on Sure Grow 501 cotton in a field infested with the reniform nematode. ¹

Treatment ² Rate
per acre³ Application
method Open bolls⁴ Total seed cotton
weight per plant

Position 1 Position 2 Position 3

g

Control -- -- 31.80 d 11.13 c 4.0 d 46.93 c

Temik 15G 3.5 lb In-furrow 79.00 bc 27.33 bcd 29.80 b 136.13 bc

Temik 15G 5 lb In-furrow 87.47 abc 23.53 cde 7.7 cd 118.70 cd

Temik 15G 7 lb In-furrow 64.23 c 37.87 b 45.63 a 147.73 bc

Temik 15G +
  Temik 15G 5 lb +
  5 lb In-furrow +
  sidedress 99.57 ab 35.17 bc 26.50 b 161.23 ab

Temik 15G +
  Temik 15G 5 lb +
  10 lb In-furrow +
  sidedress 109.87 a 65.30 a 18.43 bc 193.60 a

Gaucho 4 oz ai/cwt Seed treatment 70.43 c 16.07 de 9.00 cd 95.50 d

LSD (P=0.05)
26.29 14.01 13.29 36.54

¹Data are means of five replications. Means were compared using the least significant difference test.
²Temik 15G sidedress treatments were applied at the 10 to 12 growth stage on July 1, 1997.
³Rates were calculated based on 40-inch row spacing.
⁴Average cotton weight (g) produced per plant in each fruiting position. Position 3 includes the summation of all cotton weight at position 3 and above.

Visit: DAFVM || USDA
Search our Site || Need more information about this subject?
Last Modified: Monday, 29-Jul-02 08:11:04
URL: http://msucares.com/pubs/bulletins/b1076t21-30.htm
Mississippi State University is an equal opportunity institution.
Recommendations on this web site do not endorse any commercial products or trade names.