Insect Control and Residues in Sweet Corn Using Ground Equipment for Treating with Low-Volume Formulations1,2
Authors: HARRELL, E. A.; YOUNG, J. R.
Source: Journal of Economic Entomology, Volume 60, Number 4, August 1967 , pp. 988-991(4)
Publisher: Entomological Society of America
Abstract:Low-volume ground equipment was evaluated for its ellectiveness in insect control. The control of corn earworm, Heliothis zea (Boddie), using low-volume forumlations of endosulfan-malathion, DDT-malathion, and 50-8447 (2-chloro-I- (2,4,5-trichlorophenyl) vinyl dimethyl phosphate) was equal to that obtained with 2 lb per acre of DDT emulsifiable concentrate. Corn earworm control with a pneumatic (F-l) nozzle with air plus charge and a flat fan (650017) nozzle was not significantly different when varying rates of malathion and SD-8447 were used, but both types of nozzles were significantly better than the DDT standard or the 1,-1 nozzle without air plus charge. Residues of low-volume DDT-malathion showed a 3-12 ppm DDT increase and a 4-24 ppm mala- thion increase from the first to the second application. with no additional increase shown for the remaining 3 applications. Seven days after the fifth application, residues declined to 6 and 0.8 ppm for DDT and malathion, respectively.
Document Type: Research Article
Publication date: 1967-08-01
- Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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