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Fall armyworm, Spodoptera frugiperda (J. E. Smith), larvae were reared on seven Bermuda-grass, Cynodon dactylon(L.) Pers., clones. Consumption, utilization, preference, and suitability were determined for sixth instar larvae on all clones tested. Low nitrogen and digestibility levels found in 'Alicia' and 'OSU 6-7' leaves limited larval growth and development. A host-suitability index showed that 'Coastal' and 'GA. 77-56' were less resistant to fall armyworm than were 'Alicia' and 'OSU 6-7.' 'Coastal,' 'GA. 77-26,' and 'GA. 77-56' Bermuda grasses were preferred over the other clones, while 'Alicia' and 'OSU 6-7' were the least preferred.
Document Type: Research Article
Publication date: August 1, 1985
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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.