Mutants of Gossypium barbadense: Effect on Pink Bollworm and Cotton Leaf Perforator in Arizona

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Abstract:

Mutants of ‘American Pima’ cotton, Gossypium barbadense L., were field-tested in 1974–76 for resistance to pink bollworm, Pectinophora gossypiella (Saunders), and in 1974–75 for resistance to cotton leaf perforator, Bucculatrix thurberiella Busck. Damage to seeds by pink bollworm was significantly reduced all 3 years in the mutant Pima glandless; also in 1975, 2 monomeric (reduced glandedness) mutants had significantly less seed damage than did the cultivar, Pima S-5. None of the mutants were effective in reducing cotton leafperforators in either year, but Pima pilose and ‘Young's dwarf’ mutant had smaller populations in 1975 despite generally heavy infestations. ‘Pima Red’ had more seed damage from pink bollworms and higher populations of cotton leaf perforators than did the check cultivars both years it was tested.

Document Type: Research Article

Publication date: October 1, 1977

More about this publication?
  • 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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