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Field Evaluation of Aerially Applied Tracer - Spray Rate and Droplet Size

I. W. Kirk and J. F. Esquivel


Optimum aerial application parameters were determined for Tracer™, a "reduced risk" insect control material for lepidopterous cotton pests. A season-long lepidopterous insect control program was conducted with two spray rates, two droplet sizes, and two insecticides – Tracer™ and a producer standard composed of selections of Karate®, Larvin®, Mattch®, and Condor®XL. Detailed deposition sampling and laboratory bioassays were conducted on open and closed canopy cotton. Performance of Tracer™ was superior with the 5 gallon per acre spray rate and droplet sizes of 200- m volume median diameter.

Reprinted from Proceedings of the 1998 Beltwide Cotton Conferences pp. 1277 - 1278
©National Cotton Council, Memphis TN

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Document last modified Sunday, Dec 6 1998