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Field Screening for Tobacco Thrips1 Resistance in Peanuts2

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In field experiments in 1966 and 1967, 872 peanut entries, largely plant introductions, were screened to identify germ plasm resistant to tobacco thrips. Resistance was measured by rating damage on individual leaves and counting thrips from foiliar buds in ten 7X7 ba lanced lattice experiments in each of the years.

Most of the screened entries were damaged more than the tested commercial varieties. Slight to moderate resistance was shown by 50 entries. Plant introductions which ranked first each time they were tested were: Spanish entries (Plant Introductions) 259594, 268770, 268771, 270804, and 306223, and Virginia entries 280688 and 290599. 'Starr,' the standard check entry in all experiments, ranked among the 10 least-damaged entries in 29 of 40 comparisons.

Document Type: Research Article

Publication date: June 1, 1972

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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