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Insect Pest Management in Virginia Cotton, Peanut, and Soybean

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Table 16. Thrips <strong>in</strong>jury rat<strong>in</strong>gs <strong>and</strong> yield, CT11-THP-Regional-Eastern. Tidewater AREC, Suffolk, VA, 2011. Broadcast at<br />

1-2 <strong>and</strong> 3-4 true leaf applications were made on May 20 <strong>and</strong> June 1, respectively.<br />

Thrips <strong>in</strong>jury rat<strong>in</strong>g 1<br />

# Material Rate<br />

May 19 May 26 May 31 Jun 6 L<strong>in</strong>t lb/acre 2<br />

1 Untreated --- 3.25 a 4.00 a 4.69 a 4.56 a 589 e<br />

2 Temik 15G 5 lb/A 1.00 d 1.00 f 1.25 d 0.88 de 828 a-c<br />

3 Aeris Seed trt 1.44 c 1.94 d 1.63 c 1.31 c 745 cd<br />

4 Untreated<br />

---<br />

3.25 a 3.25 c 4.06 b 3.19 b 693 de<br />

+ Orthene 97 4 oz/A (BC @ 1-2 tl)<br />

5 Temik 15G 5 lb/A<br />

1.06 d 1.00 f 0.88 e 0.56 f 897 a<br />

+ Orthene 97 4 oz/A (BC @ 1-2 tl)<br />

6 Aeris<br />

Seed trt<br />

2.00 b 1.25 e 1.25 d 0.69 ef 783 b-d<br />

+ Orthene 97 4 oz/A (BC @ 1-2 tl)<br />

7 Untreated<br />

---<br />

3.25 a 3.81 b 4.63 a 4.69 a 612 e<br />

+ Orthene 97 4 oz/A (BC @ 3-4 tl)<br />

8 Temik 15G 5 lb/A<br />

1.00 d 1.00 f 1.25 d 0.81 d-f 888 ab<br />

+ Orthene 97 4 oz/A (BC @ 3-4 tl)<br />

9 Aeris<br />

Seed trt<br />

1.44 c 1.88 d 1.81 c 1.06 cd 907 a<br />

+ Orthene 97 4 oz/A (BC @ 3-4 tl)<br />

10 Untreated<br />

---<br />

3.25 a 3.25 c 3.81 b 3.44 b 866 ab<br />

+ Orthene 97<br />

+ Orthene 97<br />

4 oz/A (BC @ 1-2 tl)<br />

4 oz/A (BC @ 3-4 tl)<br />

11 Temik 15G 5 lb/A<br />

1.06 d 0.81 g 1.19 d 0.69 ef 849 a-c<br />

+ Orthene 97<br />

+ Orthene 97<br />

4 oz/A (BC @ 1-2 tl)<br />

4 oz/A (BC @ 3-4tl)<br />

12 Aeris<br />

Seed trt<br />

1.44 c 1.25 e 1.31 d 0.75 ef 825 a-c<br />

+ Orthene 97<br />

+ Orthene 97<br />

4 oz/A (BC @ 1-2 tl)<br />

4 oz/A (BC @ 3-4 tl)<br />

LSD 0.14 0.11 0.29 0.25 111.4<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 based on a 0-5 scale, 0 = no <strong>in</strong>jury <strong>and</strong> 5 = dead plants.<br />

2

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