Evaluation of Stalk Shredders and Cutters for Pink Bollworm Control1

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Experiments were conducted during the period 1951-57 to evaluate the effectiveness of several cotton stalk shredders in killing potential overwintering larvae of the pink bollworm (Pectinophora gossypiella (Saund.)) in crop residues after harvest. Most or the shredders then commercially available were tested on green cotton stalks in the lower Rio Grande Valley of Texas. In seven experiments, the reductions in adult emergence resulting from the shredding operation averaged 70% for vertical- flail shredders, compared with 54% for horizontal blade models. A roller cutter was almost entirely ineffective. In another experiment, shredding with several adaptations or a vertical- flail model resulted in reductions of 94% to 98%.

Document Type: Research Article

Publication date: August 1, 1961

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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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