Abstract

Abstract Insecticides applied in-furrow were evaluated at the Plant Science Research Farm, Mississippi State University, Mississippi State, MS. The trial was planted in an RCBD with 5 replications. Plots were 32 ft long by 4 rows wide (38 inch centers) without untreated buffer rows between plots. The soil type was Marietta sandy loam with 1.22% organic matter, 42.5% sand, 39.2% silt, 18.3% clay, and a pH of 7.4. The trial was planted 7 May under the following conditions: excellent soil moisture, soil temperature 84°F, 37.1% relative humidity and ambient temperature of 86°F. The seeding rate was 200 seed per row. Plots were planted with a Maxemerge planter equipped with Almaco seed cones and belt-cones for seed and granule application. Thrips were collected by cutting 10 plants per plot at their base and placing them into a self-sealing plastic bag for transfer to the laboratory. There the plants were washed with a bleach and soap solution onto gridded filter paper. Counts and initial species identification were made by dissection microscope.

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