Increased Yields of Coastal Bermuda grass After Application of Insecticides to Control Insect Complex1

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Yields of Coastal Bermuda grass increased significantly after application of 2.0 Ib per acre of azinphosmethyl, trichlorfon, carbaryl, and Union Carbide UC-8305 (3-chloro- 5-methyl-3-thio-2,4-dioxa -3-phosphabicyclo[4.4.0]decane) in 1963 and of Stauffer N-2790 (O-ethyl S-phenyl ethylphosphonodithioate) in 1965; the treatments reduced the population of insects associated with Coastal Bermuda grass and thus proved that the insect complex reduced the yield of grass. The fall army worm, Spodoptera frugiperda (J. E. Smith), and leafhoppers were probably the most damaging of the species. The insect population reached a peak and caused greatest damage to new growth in recently mowed fields of Coastal Bermuda grass from mid-July to mid-August. Insecticides applied at this time were particularly effective in promoting high yields.

Document Type: Research Article

Publication date: April 1, 1967

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  • 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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