Insect Pest Management in Virginia Cotton, Peanut, and Soybean

Table 61. Thrips injury ratings and thrips counts, PT11-THP-VA Lines. Tidewater AREC, Suffolk, VA, 2011. No
insecticides were applied for thrips management.
Thrips injury rating 1
Thrips per 10 terminal leaflets
Variety
May 18 May 26 Jun 2 Jun 9
#
NON-
TREATED May 24 May 31 Jun 9 Jun 15
Immature
Adult
Immature
Adult
Immature
Adult
Immature
Adult
1 VT 003069 3.00 b 6.00 6.88 6.13 a 0.25 2.50 6.50 17.25 42.00 1.50 8.00 2.00
2 VT 004152 3.13 ab 5.81 6.63 5.50 b 0.00 7.50 20.75 19.75 29.00 1.50 3.00 0.75
3 VT 024051 3.13 ab 5.81 6.56 5.63 b 0.25 5.50 19.50 18.50 39.50 1.00 5.50 1.50
4 Titan 3.25 a 5.94 6.81 6.00 a 0.00 6.00 7.50 25.50 46.75 2.00 4.25 1.50
5 Bailey 3.00 b 5.94 6.56 5.50 b 0.00 5.25 6.50 14.25 29.00 1.25 8.25 1.25
LSD 0.16 NS NS 0.25 NS NS NS NS NS NS NS NS
Means within a column followed by the same letter(s) are not significantly different (Protected LSD, P=0.05).
1 Thrips injury rated on a 0-10 scale, 0 = no injury and 10 = dead plants. Peanut was planted on May 5.
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