b1076 Tables 41-50

Nematode Management Investigations in Mississippi, 1997

Table 41. Effect of Metham Sodium on the yield of Sure Grow 501 cotton in a field infested with the reniform nematode.¹
Treatment	Rate per acre²	Application method	Seed cotton	Seed cotton	Yield increase over control
			lb/plotin	lb/A	lb/A
Metham Sodium	5 gal	10-in band ahead of planter	15.32 a	2,504.7 a	814.9
Metham Sodium	10 gal	10-in band ahead of planter	14.66 ab	2,396.4 ab	706.6
Metham Sodium	20 gal	10-in band ahead of planter	13.72 abc	2,243.8 abc	554.0
Metham Sodium	5 gal	10-in band in-furrow	12.22 bcd	1,834.3 bcd	145.0
Metham Sodium	7.5 gal	10-in band in-furrow	11.54 bc	1,887.5 bc	198.5
Metham Sodium	10 gal	10-in band in-furrow	7.78 d	1,272.5 d	-417.3
Temik 15G	5 lb	In-furrow	15.36 a	2,511.6 a	821.8
Di-Syston 8EC	1 lb ai	In-furrow	10.40 cd	1,700.3 cd	10.5
Control	--	--	10.34 cd	1,689.8 cd	--

LSD (P=0.05)			3.56	581.51
¹Data are means of five replications. Means were compared using the least significant difference test. ²Rates were calculated based on 40-inch row spacing.

Table 42. Effect of Telone II on population development of the reniform nematode at Sumner, Mississippi.¹
Treatment	Rate per acre ²	Application method	Reniform / 500 cm³ soil			Average³
Treatment	Rate per acre ²	Application method	April	June	August	Average³
Telone II	3 gal	Preplant	8,935 b	567 b	4,867 a	4,790 b
Temik 15G	7 lb	In-furrow	14,008 a	4,764 a	8,884 a	9,219 a
Gaucho	4 oz ai/cwt	Seed treatment	8,755 b	3,064 ab	9,141 a	6,987 ab

LSD (P=0.05)			3,859	2,996	5,063	3,355
¹Data are means of five replications. Means were compared using the least significant difference test. ²Rates were calculated based on 10-row plots in a modified skip pattern. ³Average reniform nematode population density across all sample dates.

Table 43. Effect of Telone II on plant survival and the height of DPL 33B cotton.
Treatment	Rate per acre	Application method	Plant height at 29-63 days after planting
Treatment	Rate per acre	Application method	29	36	47
Telone II	3 gal	Preplant	7.54	13.63	26.06
Temik 15G	7 lb	In-furrow	6.44	10.12	20.00
Gaucho	4 oz ai/cwt	Seed treatment	7.38	11.68	22.46

Table 43. Continued.

Table 43. Effect of Telone II on plant survival and the height of DPL 33B cotton.

Treatment Rate
per acre Application
method Plant height at 29-63 days after planting Plant
stand

50 56 63

Telone II 3 gal PreplantM 31.42 46.16 63.95 44,600

Temik 15G 7 lb In-furrow 20.66 36.96 46.80 26,800

Gaucho 4 oz ai/cwt Seed treatment 26.42 38.88 53.45 51,400

Table 44. Effect of Telone II on the number of nodes produced and first fruiting node on DPL 33B cotton.

Treatment Rate
per acre Application
method Nodes per plant at 47-63 days after planting Node of first
fruiting branch Node of first
retained boll

47 50 56 63

Telone II 3 gal Preplant 9.48 10.52 12.28 15.25 7.7 8.2

Temik 15G 7 lb In-furrow 8.52 9.96 11.60 14.35 8.0 7.3

Gaucho 4 oz ai/cwt Seed treatment 8.48 10.04 11.64 13.80 7.5 7.1

Table 45. Efficacy of selected compounds on free-living turf nematode populations in 1997.

Treatment Rate² Free-living nematodes / 250 cm³ soil

June August September Average³

Clandosan 1 ton/A   1,880 bc   689 ab 2,408 a      1,659 ab

Sustane 1 lb N/1,000 ft² 2,845 a 1,030 a     1,719 abc   1,865 a

Sustane + Iron 0.5 lb N/1,000 ft²   2,382 ab 682 ab 2,009 ab   1,691 ab

Safe-T Green 18 3 pt/A 2,446 a 418 b 1,551 abc 1,472 abc

Neo-Trol 5 lb/1,000 ft² 1,738 c 586 b 1,371 bc   1,232 bc

Neo-Trol 10 lb/1,000 ft² 2,755 a 637 ab 1,101 bc   1,498 abc

Neo-Trol +
  Neo-Trol 5 lb/1,000 ft² +
  5 lb/1,000 ft² 1,532 c 695 ab 927 c 1,051 c

Bolster 3 oz/1,000 ft² 2,485 a 560 b 1036 bc 1,360 abc

ACT 6 oz/A   1,880 bc 412 b 830 c 1,041 c

Turf Ease II 6 oz/A 2,845 a 650 b 1,957 ab   1,817 ab

Nemacur 10G 2.3 lb/1,000 ft² 2,414 a 567 b 1,436 abc 1,472 abc

Control -- 2,446 a 335 b 1,423 abc 1,401 abc

LSD (P=0.05)
504 402 1,026 587

¹Data are means of four replications. Means were compared using the least significant difference test.
²Rates were calculated based on a broadcast application.
³Average nematode population density across all sample dates.

Table 46. Efficacy of selected compounds on total plant-parasitic
nematode populations in turf in 1997.¹

Treatment Rate² Plant-parasitic nematodes / 250 cm³ soil

June August September Average³

Clandosan 1 ton/A 721 a 373 a 565 ab 553 a

Sustane 1 lb N/1,000 ft² 367 bc 309 a 399 ab 358 bc

Sustane + Iron 0.5 lb N/1,000 ft² 438 abc 258 a 367 ab 354 bc

Safe-T Green 18 3 pt/A 406 bc 129 a 328 b 288 cd

Neo-Trol 5 lb/1,000 ft² 399 bc 232 a 219 b 283 cd

Neo-Trol 10 lb/1,000 ft² 496 ab 206 a 843 a 515 ab

Neo-Trol +
  Neo-Trol 5 lb/1,000 ft² +
  5 lb/1,000 ft² + 187 c 232 a 238 b 219 cd

Bolster 3 oz/1,000 ft² 341 bc 264 a 161 b 255 cd

ACT 6 oz/A 142 c 97 a 122 b 120 d

Turf Ease II 6 oz/A 373 bc 135 a 251 b 253 cd

Nemacur 10G 2.3 lb/1,000 ft² 270 bc 90 a 77 b 146 d

Control -- 264 bc 206 a 303 b 258 cd

LSD (P=0.05)
306 354 494 186

¹Data are means of four replications. Means were compared using the least significant difference test.
²Rates were calculated based on a broadcast application.
³Average nematode population density across all sample dates.

Table 47. Efficacy of selected compounds on Ring nematode populations in turf in 1997.¹

Treatment Rate² Ring nematodes / 250 cm³ soil

June August September Average³

Clandosan 1 ton/A 438 a 232 a 425 ab 362 ab

Sustane 1 lb N/1,000 ft² 232 abc 225 a 296 ab 251 abc

Sustane + Iron 0.5 lb N/1,000 ft² 283 abc 161 a 232 b 225 bc

Safe-T Green 18 3 pt/A 232 abc 71 a 232 b 178 cd

Neo-Trol 5 lb/1,000 ft² 232 abc 161 a 180 b 191 cd

Neo-Trol 10 lb/1,000 ft² 335 ab 142 a 702 a 393 a

Neo-Trol +
  Neo-Trol 5 lb/1,000 ft² +
   5 lb/1,000 ft² 142 bc 161 a 167 b 157 cd

Bolster 3 oz/1,000 ft² 161 bc 187 a 103 b 150 cd

ACT 6 oz/A 64 c 39 a 77 b 60 d

Turf Ease II 6 oz/A 245 abc 90 a 200 b 178 cd

Nemacur 10G 2.3 lb/1,000 ft² 238 abc 45 a 45 b 109 cd

Control -- 225 abc 155 a 155 b 178 cd

LSD (P=0.05)
250 287 424 158

¹Data are means of four replications. Means were compared using the least significant difference test.
²Rates were calculated based on a broadcast application.
³Average nematode population density across all sample dates.

Table 48. Efficacy of selected compounds on stubby-root nematode populations in turf in 1997.²

Treatment Rate² Stubby-root nematodes / 250 cm³ soil

June August September Average³

Clandosan 1 ton/A 238 a 129 a 135 a 167 a

Sustane 1 lb N/1,000 ft² 97 bcde 77 a 103 abc 92 bcd

Sustane + Iron 0.5 lb N/1,000 ft² 135 bcd 90 a 122 ab 116 ab

Safe-T Green 18 3 pt/A 142 abc 45 a 90 abc 92 bcd

Neo-Trol 5 lb/1,000 ft² 142 abc 71 a 32 c 82 bcd

Neo-Trol 10 lb/1,000 ft² 109 bcde 58 a 116 abc 94 bc

Neo-Trol +
  Neo-Trol 5 lb/1,000 ft² +
  5 lb/1,000 ft² 19 e 71 a 71 abc 54 cd

Bolster 3 oz/1,000 ft² 174 ab 77 a 58 abc 103 bc

ACT 6 oz/A 65 cde 52 a 45 bc 54 cd

Turf Ease II 6 oz/A 77 bcde 39 a 32 c 49 cd

Nemacur 10G 2.3 lb/1,000 ft² 45 a 32 c 32 d 71 bcd

Control -- 39 de 45 a 129 ab 71 bcd

LSD (P=0.05)
98 101 89 62

¹Data are means of four replications. Means were compared using the least significant difference test.
²Rates were calculated based on a broadcast application.
³Average nematode population density across all sample dates.

Table 49. Efficacy of selected compounds on root-knot nematode
populations in turf in 1997.¹

Treatment Rate² Root-knot nematodes / 250 cm³ soil

June August September Average³

Clandosan 1 ton/A 45 ab 13 a 6 bc 21 ab

Sustane 1 lb N/1,000 ft² 39 ab 6 a 0 c 15 abc

Sustane + Iron 0.5 lb N/1,000 ft² 19 ab 6 a 13 abc 13 abc

Safe-T Green 18 3 pt/A 26 ab 0 a 6 bc 11 abc

Neo-Trol 5 lb/1,000 ft² 13 ab 0 a 6 bc 6 bc

Neo-Trol 10 lb/1,000 ft² 52 a 6 a 28 a 29 a

Neo-Trol +
  Neo-Trol 5 lb/1,000 ft² +
5 lb/1,000 ft² 26 ab 0 a 0 c 9 bc

Bolster 3 oz/1,000 ft² 6 ab 0 a 0 c 2 c

ACT 6 oz/A 13 ab 6 a 0 c 6 bc

Turf Ease II 6 oz/A 52 a 0 a 0 c 17 abc

Nemacur 10G 2.3 lb/1,000 ft² 13 ab 0 a 0 c 4 bc

Control -- 0 b 6 a 19 ab 8 bc

LSD (P=0.05)
48 16 19 19

¹Data are means of four replications. Means were compared using the least significant difference test.
²Rates were calculated based on a broadcast application.
³Average nematode population density across all sample dates.

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