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This article in CS

  1. Vol. 15 No. 6, p. 807-809
     
    Received: Feb 3, 1975


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doi:10.2135/cropsci1975.0011183X001500060020x

Effects of Pilose, Pubescent, and Smooth Cottons on the Cotton Leafperforator1

  1. R. L. Wilson and
  2. F. D. Wilson2

Abstract

Abstract

Strains of cotton (Gossypium hirsutum L.) deviating in both directions from the degree of pubescence typical of upland cotton, were more resistant than the latter to cotton leafperforator (Bucculatrix thurberlella Busck). Two densely hairy lines, TM-I(H2) and SA 166, harbored significantly fewer insects than any of the other lines tested. Nonpreference for oviposition is probably the main mechanism of resistance involved. A no-choice greenhouse feeding technique was devised that should be useful in screening cottons for resistance to cotton leaf perforator.

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