Insect Pest Management in Virginia Cotton, Peanut, and Soybean

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Test: SB11-BMSB-3, Efficacy of foliar-applied pesticides against brown marmorated stink b in soybean # Material Rate Date(s) treated 1 Belay 3 oz/A Aug 23 2 Belay 4 oz/A Aug 23 3 Belay 2 oz/A Aug 23 + Kaiso 24WG 1.3 oz/A 4 Belay 2 oz/A Aug 23 + Baythroid XL 2.8 oz/A 5 Baythroid XL 2.8 oz/A Aug 23 6 Orthene 97 8 oz/A Aug 23 7 Endigo ZC 5 oz/A Aug 23 8 Brigade 2EC 5.12 oz Aug 23 9 CMT 4586 + Methylated spray oil + UAN 27% 10 Untreated 8 oz/A 0.25% v/v 2.5% v/v Aug 23 Test: SB11-BMSB-3 Year: 2011 Crop: Soybean Variety: Field: Location: Orange Co., VA Experimental design: RCBD Plot size: 6 ft x 20 ft Row spacing: Planting date: Harvest date: Row feet harvested: Treatment application(s): Broadcast using backpack Nozzle type: 8002VS Nozzle spacing: 18” PSI: 18 GPA: 14.3 143
Table 73. Mean number of brown marmorated stink bugs (BMSB) per 10 sweeps, SB11-BMSB-3 (Orange Co., VA). Tidewater AREC, Suffolk, VA, 2011. Insecticide treatments were applied on August 23. Aug 25 Aug 30 Sep 8 # Material Rate Adult Nymph Total Adult Nymph Total Adult Nymph Total 1 Belay 3 oz/A 1.25 a-c 2.50 b 3.75 b 1.00 b 4.75 b 5.75 b 3.25 7.75 a 11.00 a 2 Belay 4 oz/A 1.75 ab 0.25 b 2.00 bc 1.50 b 2.00 bc 3.50 bc 2.50 6.50 ab 9.00 ab 3 Belay + Kaiso 24WG 4 Belay + Baythroid XL 2 oz/A 1.3 oz/A 2 oz/A 2.8 oz/A 0.25 c 0.25 b 0.50 c 0.25 b 1.25 c 1.50 c 1.25 1.00 cd 2.25 c 0.00 c 1.25 b 1.25 bc 0.00 b 2.50 bc 2.50 bc 1.75 0.75 d 2.50 c 5 Baythroid XL 2.8 oz/A 0.50 bc 1.50 b 2.00 bc 0.00 b 1.50 c 1.50 c 0.75 1.00 cd 1.75 c 6 Orthene 97 8 oz/A 0.25 c 0.75 b 1.00 bc 0.25 b 2.00 bc 2.25 bc 4.25 4.25 bc 8.50 ab 7 Endigo ZC 5 oz/A 0.75 bc 0.25 b 1.00 bc 0.50 b 3.00 bc 3.50 bc 3.25 1.50 cd 4.75 bc 8 Brigade 2EC 5.12 oz 0.00 c 1.75 b 1.75 bc 0.50 b 1.25 c 1.75 c 0.75 1.50 cd 2.25 c 9 CMT 4586 + MSO + UAN 27% 8 oz/A 0.25% v/v 2.5% v/v 1.25 a-c 0.25 b 1.50 bc 0.50 b 1.25 c 1.75 c 1.25 3.50 b-d 4.75 bc 10 Untreated 2.50 a 14.00 a 16.50 a 3.75 a 13.75 a 17.50 a 2.50 6.75 ab 9.25 a LSD 1.47 2.93 3.22 1.95 2.98 3.99 NS 3.28 4.44 Means within a column followed by the same letter(s) are not significantly different (Protected LSD, P=0.05).
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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 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
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Test: PT11-THP-1, Evaluation of in-
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Table 42. Stand counts, PT11-THP-1.
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Page 93 and 94: Test: PT11-THP-2, Evaluation of liq
Page 95 and 96: Table 46. Stand counts and yield, P
Page 97 and 98: Table 48. Mean number of thrips per
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 115 and 116: Table 58. Mean number of thrips per
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 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: Table 72. 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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