Abstract
Abstract Efficacy of planting time insecticide treatments was evaluated against TT injury in Virginia-type peanut. Peanuts were planted 6 May with 36-inch row spacing. In-furrow (IF) treatments were applied into the seed furrow at planting, granules using a tractor-mounted Noble applicator, liquids using a COs pressurized tractor-mounted sprayer calibrated to deliver 5 gal/acre at 24 psi through 1SS8001E flat fan nozzle per row mounted just above planter disks and turned parallel to row direction. Band, preplant incorporated (ppi) treatments were applied just before planting in a 12 to 14-inch band over the row with a CO2 pressurized backpack sprayer calibrated to deliver 17 gal/ acre at 22 psi through one 8004E nozzle per row, then soil incorporated 3 to 4 inches deep with a land conditioner. Seed treatments were applied by gently rolling seeds in a plastic bag containing product until seeds were evenly coated. Additional band, late cracking time foliar applications were made to some treatments to evaluate sustained activity. These were applied similarly to band, ppi applications but about 2 weeks after planting (21 May) and not soil incorporated. A randomized complete block experimental design was used with 4 replicates; plots were 4 rows by 40 ft. Treatments were evaluated by determining plant injury based on a 0-10 scale where 0 = no TT injured leaves and 10 = 100% leaves injured. Data were analyzed using ANOVA and LSD procedures.
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