Insect Pest Management in Virginia Cotton, Peanut, and Soybean

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Table 57. Stand counts and thrips injury ratings, PT11-THP-Syngenta-2. Tidewater AREC, Suffolk, VA, 2011. Plants/35 row ft 1 Thrips injury rating 2 # Material Rate May 20 May 24 May 31 Jun 9 Jun 15 1 Untreated 47.1 a-c 3.31 a 6.25 a 6.81 a 5.19 a 2 Cruiser 70WS 1 oz/cwt 40.0 c 1.63 bc 3.44 c 5.63 b 4.69 bc 3 Dynasty PD 4 oz/cwt 47.9 a-c 3.50 a 5.50 b 6.88 a 4.06 d 4 Dynasty PD 4 oz/cwt 48.9 a-c 1.13 cd 3.56 c 5.13 d 4.56 c + Cruiser 70WS 1 oz/cwt 5 A17461 4 oz/cwt 50.6 ab 1.88 b 2.00 e 5.56 bc 4.75 b 6 Dynasty PD 4 oz/cwt 53.8 a 1.38 bc 2.75 d 5.31 cd 3.81 e + Cruiser 5FS 1 oz/cwt 7 Dynasty PD 4 oz/cwt 42.5 bc 1.25 cd 1.56 f 1.06 e 0.75 f + Thimet 20G 5 lb/A 8 Dynasty PD 4 oz/cwt 24.8 d 0.75 d 1.00 g 1.25 e 0.75 f + Temik 15G 7 lb/A LSD 9.39 0.51 0.31 0.29 0.15 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 Thrips injury rated on a 0-10 scale, 0 = no injury and 10 = dead plants. Peanut was planted on May 6.
Table 58. Mean number of thrips per 10 terminal leaflets, PT11-THP-Syngenta-2. Tidewater AREC, Suffolk, VA, 2011. May 25 Jun 2 Adult # Material Rate Immature Tobacco Onion Western flower Eastern flower Total Immature Adult 1 Untreated 8.00 a 24.50 a 1.00 0.75 0.25 26.50 a 80.25 a 2.25 2 Cruiser 70WS 1 oz/cwt 1.50 bc 18.00 ab 1.50 1.75 0.25 21.50 ab 36.50 bc 3.25 3 Dynasty PD 4 oz/cwt 2.75 b 16.25 ab 1.00 0.25 0.00 17.50 ab 47.25 b 1.50 4 Dynasty PD + Cruiser 70WS 4 oz/cwt 1 oz/cwt 0.75 c 11.25 bc 1.25 2.50 0.00 15.00 bc 38.75 bc 3.75 5 A17461 4 oz/cwt 0.75 c 14.25 bc 0.75 1.00 0.00 16.00 bc 32.50 b-d 1.75 6 Dynasty PD + Cruiser 5FS 7 Dynasty PD + Thimet 20G 8 Dynasty PD + Temik 15G 4 oz/cwt 1 oz/cwt 4 oz/cwt 5 lb/A 4 oz/cwt 7 lb/A 0.75 c 11.00 bc 2.25 3.25 0.25 16.75 a-c 25.00 b-d 2.25 0.50 c 15.25 b 1.50 2.25 0.00 19.00 ab 12.50 cd 4.00 0.50 c 6.00 c 0.00 1.00 0.00 7.00 c 5.00 d 1.75 LSD 1.84 8.95 NS NS NS 10.00 27.60 NS Means within a column followed by the same letter(s) are not significantly different (Protected LSD, P=0.05). 114
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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
Page 57 and 58:
Table 29. Stand counts, plant heigh
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Treatment application(s): Broadcast
Page 61 and 62:
Treatment means (% bollworm damage,
Page 63 and 64: Table 31. Percent external bollworm
Page 67 and 68: Test: CT11-BW4, Efficacy of selecte
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 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: 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 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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