Insect Pest Management in Virginia Cotton, Peanut, and Soybean

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Table 67. Stand counts, thrips counts, and yield, SB11-Seed-1. Tidewater AREC, Suffolk, VA, 2011. Plants per 40 row ft 1 Plants per 10 row ft Plants per 10 row ft May 17 (VC stage) May 26 (VC stage) Thrips per 5 plants Jun 3 (V2 stage) Jun 10 (V3-V4 stage) May May Jun 7 16 (7 23 (14 (29 Immat Immat Immat Immat Yield # Material Rate DAP) DAP) DAP) ure Adult ure Adult ure Adult ure Adult (bu/A) 2 1 Untreated 317.5 100.1 86.0 1.50 22.00 a 21.25 17.25 51.00 a 2.00 17.25 7.50 a 57.4 2 Inovate system: Rancona Xtra 0.24FS NipsIt INSIDE 5FS 3 Inovate system: Rancona Xtra 0.24FS NipsIt INSIDE 5FS 3.50 fl oz/cwt 1.28 fl oz/cwt 3.50 fl oz/cwt 1.28 fl oz/cwt 337.4 106.0 93.8 0.25 8.00 b 17.50 14.75 25.75 b 5.00 19.75 5.25 ab 54.7 317.1 99.3 88.6 0.00 6.00 b 25.50 22.00 25.75 b 4.00 22.00 4.75 ab 56.0 + Metastar ST 2.65FS 4 Cruiser Maxx Plus 2.47FS 5 Trilex 2SC Allegiance-FL 2.65SC Yield Shield 100SS Gaucho 600FS 0.53 fl oz/cwt 3.2 fl oz/cwt 338.4 108.6 92.1 0.00 2.25 b 28.75 26.50 5.75 b 4.75 10.00 2.00 bc 59.0 0.32 fl oz/cwt 0.75 fl oz/cwt 0.10 fl oz/cwt 1.60 fl oz/cwt 336.1 100.6 87.5 0.00 3.00 b 27.50 20.50 22.00 b 5.00 16.25 1.00 c 57.7 LSD NS NS NS NS 7.60 NS NS 22.68 NS NS 3.42 NS Means within a column followed by the same letter(s) are not significantly different (Protected LSD, P=0.05). 1 Based on the total number of plants in rows 1 and 2 of each plot (80 row feet). 2 Yield based on weight of soybean with moisture content of 13%.
Table 68. Thrips injury ratings 1 and bean leaf beetle defoliation ratings 2 , SB11-Seed-1. Tidewater AREC, Suffolk, VA, 2011. Thrips injury rating Defoliation rating # Material Rate May 23 Jun 1 Jun 10 Jun 23 1 Untreated 2.81 a 1.19 a 1.56 a 0.63 2 Inovate system: Rancona Xtra 0.24FS NipsIt INSIDE 5FS 3 Inovate system: Rancona Xtra 0.24FS NipsIt INSIDE 5FS 3.50 fl oz/cwt 1.28 fl oz/cwt 3.50 fl oz/cwt 1.28 fl oz/cwt 1.25 b 0.75 b 0.56 cd 0.63 0.94 c 0.81 b 0.69 bc 0.56 + Metastar ST 2.65FS 0.53 fl oz/cwt 4 Cruiser Maxx Plus 2.47FS 3.2 fl oz/cwt 0.31 d 0.69 b 0.81 b 0.50 5 Trilex 2SC Allegiance-FL 2.65SC Yield Shield 100SS Gaucho 600FS 0.32 fl oz/cwt 0.75 fl oz/cwt 0.10 fl oz/cwt 1.60 fl oz/cwt 0.50 d 0.75 b 0.50 d 0.56 LSD 0.26 0.13 0.16 NS Means within a column followed by the same letter(s) are not significantly different (Protected LSD, P=0.05). 1 Thrips injury based on a 0-5 scale, 0 = no injury and 5 = 100% damaged plants. 2 Bean leaf beetle defoliation rating based on a 0-10 scale, 0 = no defoliation and 10 = 100% defoliation. 134
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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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Test: CT11-BW4, Efficacy of selecte
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Lint 2 Table 35. Percent external b
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Treatment application(s): Broadcast
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Test: CT11-SBUG-Valent, Evaluation
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Table 39. Percent internal boll dam
Page 83 and 84: Table 40. Percent internal boll dam
Page 85 and 86: Table 41. 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 and 120: Table 61. Thrips injury ratings and
Page 121 and 122: Table 62. Stand counts on May 19 an
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: Test: SB11-SEED-1, Evaluation of se
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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