Abstract
Abstract Granular insecticides were applied in furrow at planting from a Gandy box mounted on the planter and the liquid insecticide applied with a CO2-powered flat fan nozzle oriented parallel and directly into the open furrow on 27 May at the Upper Coastal Plain Research Station in Edgecombe County, NC. Plots were 4 rows × 50 ft with 4 reps and arranged in a RCBD. The 6 products along with an untreated check were evaluated for effect on stand reduction, plant height, thrips establishment, boll load, bollworm-damaged bolls and yield. Thrips adults and immatures were collected on 26 May, 6 and 15 Jun, processed via the wash method and counted under a binocular dissecting microscope. Yields were take with a one row John Deere mechanical harvester from the middle 2 rows. Insect, plant and yield data were subjected to ANOVA and DMRT.
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