Insect Pest Management in Virginia Cotton, Peanut, and Soybean

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Soybean Insect Pest Management Tests and Demonstrations Test: SB11-SEED-1 ....................................................................................................................132 Test: SB11-SEED-2 ....................................................................................................................135 Test: SB11-BMSB-1 ...................................................................................................................138 Test: SB11-BMSB-2 ...................................................................................................................141 Test: SB11-BMSB-3 ...................................................................................................................143 Test: SB11-CEW-Speight ...........................................................................................................145 Test: SB11-CEW-Worrell-1 .......................................................................................................147 Test: SB11-CEW-Worrell-2 .......................................................................................................149 Test: SB11-CEW-LOOP-Bayer ..................................................................................................151 Corn earworm survey of field corn in Virginia, 2011. ................................................................153 Results of the 2011 Virginia soybean insecticide usage survey. .................................................154 2011 Virginia soybean insecticide usage percentages by district and state total. ........................155 Corn earworm regression. ............................................................................................................156 Average nightly number of corn earworm moths captured in eastern Virginia black light traps, 2011 season. ...........................................................................................................157 7
Climatological Summary of the 2011 Growing Season—Tidewater AREC, Suffolk, VA Table 1. Daily maximum and minimum temperatures (°F) for 2011. JAN FEB MAR APR MAY JUN Day of month Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. 1 56 20 40 30 79 35 49 40 74 41 97 64 2 46 21 64 33 51 22 51 30 75 48 97 68 3 65 27 72 31 64 30 60 34 83 56 95 61 4 41 19 41 32 46 25 68 43 86 51 83 47 5 49 23 42 35 58 33 86 58 63 39 87 61 6 49 33 52 31 67 42 70 29 70 40 80 62 7 48 24 55 26 65 35 67 46 75 49 89 57 8 42 25 56 34 55 25 79 45 71 48 91 65 9 42 33 52 19 55 29 80 44 77 46 98 69 10 40 18 45 27 59 46 65 46 79 43 100 69 11 37 28 41 11 67 37 75 52 78 44 96 64 12 34 27 45 19 52 26 84 61 79 43 90 63 13 38 20 58 23 67 44 85 47 77 58 91 65 14 43 27 60 23 77 36 68 39 70 58 81 58 15 40 18 71 30 57 34 73 39 90 61 80 58 16 51 28 62 33 58 47 73 52 85 54 81 55 17 50 27 61 20 64 37 72 59 83 61 86 67 18 49 24 72 42 67 42 74 43 79 56 90 65 19 44 33 76 52 83 57 83 52 83 50 95 67 20 48 36 62 33 69 34 87 61 79 53 88 68 21 59 35 57 34 57 42 89 55 82 55 79 60 22 43 19 74 32 77 50 70 37 83 53 92 69 23 30 10 39 26 70 47 61 50 88 66 90 69 24 42 11 52 24 73 50 83 55 92 77 91 67 25 38 25 67 44 60 36 90 63 93 62 90 65 26 52 33 75 26 58 36 89 65 90 68 90 60 27 44 28 58 36 45 33 85 63 93 66 89 67 28 42 22 77 42 40 26 85 69 96 68 92 69 29 51 21 53 23 83 50 90 64 98 68 30 54 28 60 34 71 45 97 70 88 65 31 59 30 46 37 95 68 Avg. 46.0 24.9 58.1 30.3 61.3 36.5 75.2 49.1 82.4 55.4 89.8 63.7 8
Page 1 and 2: 2011 Insect Pest Management in Virg
Page 3 and 4: ACKNOWLEDGMENTS The authors wish to
Page 5 and 6: INDEPENDENT CROP CONSULTANTS Chad H
Page 7: Contents Acknowledgments ..........
Page 11 and 12: Table 2. Daily precipitation (inche
Page 13 and 14: Table 3. Soil types, nutrient analy
Page 15 and 16: Test: CT11-THP-Regional-Irrigated,
Page 17 and 18: Table 4. Thrips injury ratings 1 ,
Page 19 and 20: Table 6. Plant height 1 , number of
Page 21 and 22: Test: CT11-THP-Regional-Dryland, Ef
Page 25 and 26: Table 10. Plant height 1 , number o
Page 27 and 28: Test: CT11-THP-Regional-Foliar, Eff
Page 31 and 32: Table 14. Plant height 1 , number o
Page 33 and 34: Test: CT11-THP-Regional-Eastern, Va
Page 35 and 36: Table 16. Thrips injury ratings and
Page 37 and 38: Test: CT11-THP-Bayer, Evaluation of
Page 39 and 40: Table 19. Thrips injury ratings and
Page 41 and 42: Test: CT11-THP-Dow, Efficacy of fol
Page 43 and 44: Table 21. Stand counts, thrips inju
Page 45 and 46: Test: CT11-THP-PHY, Test to evaluat
Page 47 and 48: Table 23. Stand counts, thrips inju
Page 49 and 50: Table 24. Stand counts, number of n
Page 51 and 52: Table 26. Mean number of thrips per
Page 53 and 54: Treatment application(s): Liquid in
Page 55 and 56: Table 28. Mean number of thrips per
Page 57 and 58: Table 29. Stand counts, plant heigh
Page 59 and 60:
Treatment application(s): Broadcast
Page 61 and 62:
Treatment means (% bollworm damage,
Page 63 and 64:
Table 31. Percent external bollworm
Page 65 and 66:
Page 67 and 68:
Test: CT11-BW4, Efficacy of selecte
Page 69 and 70:
Page 71 and 72:
Lint 2 Table 35. Percent external b
Page 73 and 74:
Page 75 and 76:
Page 77 and 78:
Page 79 and 80:
Test: CT11-SBUG-Valent, Evaluation
Page 81 and 82:
Table 39. Percent internal boll dam
Page 83 and 84:
Page 85 and 86:
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:
Page 99 and 100:
Treatment application(s): Liquid in
Page 101 and 102:
Table 50. Thrips injury ratings 1 ,
Page 103 and 104:
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:
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 129 and 130:
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 147 and 148:
Page 149 and 150:
Page 151 and 152:
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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