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Insect Pest Management in Virginia Cotton, Peanut, and Soybean

Insect Pest Management in Virginia Cotton, Peanut, and Soybean

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Table 43. Thrips <strong>in</strong>jury rat<strong>in</strong>gs 1 , PT11-THP-1. Tidewater AREC, Suffolk, VA, 2011. Broadcast at late ground crack<strong>in</strong>g<br />

applications were made on May 23 <strong>and</strong> May 27.<br />

# Material Rate May 24 May 31 Jun 9 Jun 15<br />

1 Thimet 20G 5 lb/A 1.81 d 1.69 c 0.75 e 0.75 fg<br />

2 Orthene 97 12.4 oz/A (liquid IF) 0.75 e 1.69 c 1.25 d 1.69 cd<br />

3 Orthene 97 12.4 oz/A (liquid IF)<br />

0.69 e 1.50 c 0.88 e 1.19 d-f<br />

6 oz/A (BC @ late GC)<br />

4 Orthene 97 16.5 oz/A (liquid IF) 0.63 e 1.38 cd 0.75 e 1.38 de<br />

5 Orthene 97 16.5 oz/A (liquid IF)<br />

0.63 e 1.38 cd 0.69 e 1.19 d-f<br />

6 oz/A (BC @ late GC)<br />

6 Orthene 97 6 oz/A (BC @ late GC)<br />

3.25 b 3.25 b 1.25 d 0.88 e-g<br />

6 oz/A (7-10 days after late GC)<br />

7 Benevia 10OD 13.6 oz/A (BC @ late GC)<br />

3.50 a 3.56 b 1.25 d 1.38 de<br />

13.6 oz/A (7-10 days after late GC)<br />

8 Verimark 20SC<br />

13.5 oz/A (liquid IF)<br />

2.06 c 3.56 b 2.75 c 2.06 c<br />

+ Orthene 97<br />

6 oz/A (BC @ late GC)<br />

9 Verimark 20SC<br />

13.5 oz/A (liquid IF)<br />

1.88 cd 3.50 b 3.44 b 3.75 b<br />

+ Benevia 10OD<br />

13.6 oz/A (BC @ late GC)<br />

10 Admire Pro 8.5 oz/A (liquid IF) 0.75 e 1.13 d 0.69 e 0.63 g<br />

11 Untreated 3.50 a 5.69 a 6.50 a 6.19 a<br />

LSD 0.23 0.35 0.29 0.52<br />

Means with<strong>in</strong> a column followed by the same letter(s) are not significantly different (Protected LSD, P=0.05).<br />

1 Thrips <strong>in</strong>jury rated on a 0-10 scale, 0 = no <strong>in</strong>jury <strong>and</strong> 10 = dead plants. <strong>Peanut</strong> was planted on May 3.

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