Insect Pest Management in Virginia Cotton, Peanut, and Soybean

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Treatment means (thrips injury ratings) May 24 May 31 Jun 9 Jun 15 1. With insecticide ..................................................... 0.56 b ...........0.80 b........... 1.00 .............. 0.66 2. Without insecticide ................................................ 3.10 a ...........5.90 a ........... 6.69 .............. 5.75 LSD ............................................................................ 0.0398 ..........0.1591............ --- ................ --- Variety mean (thrips injury ratings) May 24 May 31 Jun 9 Jun 15 1. VT 003069 ............................................................. 1.75 c ...........3.59 a ........... 4.31 .............. 3.44 2. VT 004152 ............................................................. 1.84 b ...........3.22 b........... 3.75 .............. 3.06 3. VT 024051 ............................................................. 1.81 bc .........3.19 b........... 3.69 .............. 3.13 4. Titan ....................................................................... 2.00 a ...........3.41 ab ......... 3.84 .............. 3.38 5. Bailey ..................................................................... 1.75 c ...........3.34 ab ......... 3.63 .............. 3.03 LSD ............................................................................ 0.0629 ..........0.2516............ --- ................. --- Split plot analysis (thrips injury ratings) May 24 May 31 Jun 9 Jun 15 Treatment .................................................................
Table 62. Stand counts on May 19 and yield, PT11-THP-VA Lines. Tidewater AREC, Suffolk, VA, 2011. Treated plots received Temik 15G @ 7 lb/A in-furrow at planting, followed by Orthene 97 @ 4 oz/A broadcast at late-ground cracking on May 23. Plants/40 row ft 1 Yield 2 (lb/A) # Variety Treated Non-treated Treated Non-treated 1 VT 003069 16.9 d 23.1 d 1882 c 1559 c 2 VT 004152 91.4 a 99.4 a 3767 b 3328 b 3 VT 024051 71.5 b 92.8 b 4239 b 3222 b 4 Titan 61.9 c 72.1 c 3788 b 2956 b 5 Bailey 72.6 b 100.3 a 5367 a 4944 a LSD 7.21 5.38 798.0 650.9 Means within a column followed by the same letter(s) are not significantly different (Protected LSD, P=0.05). 1 Based on sampling all plants in rows 1 and 2 of each plot. 2 Yield based on weight of peanut with moisture content of 7%. Dig date = October 6 and harvest date = October 11. Treatment means Stand count on May 19 Yield 1. With insecticide ................................................... 62.9 ..................................................... 3809 a 2. Without insecticide .............................................. 77.5 ..................................................... 3201 b LSD .......................................................................... --- .......................................................... 339.1 Variety mean Stand count on May 19 Yield 1. VT 003069 ........................................................... 20.0 ..................................................... 1720 c 2. VT 004152 ........................................................... 95.4 ..................................................... 3547 b 3. VT 024051 ........................................................... 82.1 ..................................................... 3731 b 4. Titan ..................................................................... 67.0 ..................................................... 3372 b 5. Bailey ................................................................... 86.4 ..................................................... 5155 a LSD ............................................................................ --- ........................................................ 536.1 Split plot analysis Stand count on May 19 Yield Treatment .................................................................
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2011 Insect Pest Management in Virg
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ACKNOWLEDGMENTS The authors wish to
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INDEPENDENT CROP CONSULTANTS Chad H
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Contents Acknowledgments ..........
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Climatological Summary of the 2011
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Table 2. Daily precipitation (inche
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Table 3. Soil types, nutrient analy
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Test: CT11-THP-Regional-Irrigated,
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Table 4. Thrips injury ratings 1 ,
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Table 6. Plant height 1 , number of
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Test: CT11-THP-Regional-Dryland, Ef
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Table 10. Plant height 1 , number o
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Test: CT11-THP-Regional-Foliar, Eff
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Table 14. Plant height 1 , number o
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Test: CT11-THP-Regional-Eastern, Va
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Table 16. Thrips injury ratings and
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Test: CT11-THP-Bayer, Evaluation of
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Table 19. Thrips injury ratings and
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Test: CT11-THP-Dow, Efficacy of fol
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Table 21. Stand counts, thrips inju
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Test: CT11-THP-PHY, Test to evaluat
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Table 23. Stand counts, thrips inju
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Table 24. Stand counts, number of n
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Table 26. Mean number of thrips per
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Treatment application(s): Liquid in
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Table 28. Mean number of thrips per
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Table 29. Stand counts, plant heigh
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Treatment application(s): Broadcast
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Treatment means (% bollworm damage,
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Table 31. Percent external bollworm
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Table 32. Percent external bollworm
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Test: CT11-BW4, Efficacy of selecte
Page 69 and 70: Table 34. Percent external bollworm
Page 71 and 72: Lint 2 Table 35. Percent external b
Page 77 and 78: Treatment application(s): Broadcast
Page 79 and 80: Test: CT11-SBUG-Valent, Evaluation
Page 81 and 82: Table 39. Percent internal boll dam
Page 87 and 88: Test: PT11-THP-1, Evaluation of in-
Page 89 and 90: Table 42. Stand counts, PT11-THP-1.
Page 91 and 92: Table 44. Mean number of thrips per
Page 93 and 94: Test: PT11-THP-2, Evaluation of liq
Page 95 and 96: Table 46. Stand counts and yield, P
Page 99 and 100: Treatment application(s): Liquid in
Page 101 and 102: Table 50. Thrips injury ratings 1 ,
Page 103 and 104: Treatment application(s): Broadcast
Page 105 and 106: Table 52. Thrips injury ratings 1 ,
Page 107 and 108: Test: PT11-THP-Syngenta-1, Evaluati
Page 109 and 110: Table 54. Stand counts and thrips i
Page 111 and 112: Table 56. Tomato spotted wilt virus
Page 113 and 114: Treatment application(s): Granular
Page 117 and 118: Test: PT11-THP-VA Lines, Evaluation
Page 119: Table 61. Thrips injury ratings and
Page 123 and 124: Table 63. Mean number of larvae per
Page 125 and 126: Treatment application(s): Full cove
Page 127 and 128: Test: PT11-CEW-3, Evaluation of fol
Page 131 and 132: Table 66. Southern corn rootworm me
Page 133 and 134: Test: SB11-SEED-1, Evaluation of se
Page 135 and 136: Table 68. Thrips injury ratings 1 a
Page 137 and 138: Table 69. Stand counts, thrips coun
Page 139 and 140: Test: SB11-BMSB-1, Efficacy of foli
Page 141 and 142: Table 71 (continued). Mean number o
Page 143 and 144: Table 72. Mean number of brown marm
Page 145 and 146: Table 73. Mean number of brown marm
Page 153 and 154: Table 77. Mean number of insects pe
Page 155 and 156: Table 79. Results of the 2011 Virgi
Page 157 and 158: Figure 1. Corn earworm regression.
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Insect Pest Management in Virginia Cotton, Peanut, and Soybean

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