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1 August 2015 Evaluating Pilose, a Cultigen of Gossypium hirsutum, as a Source of Resistance to Cotton Fleahopper (Hemiptera: Miridae)
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Abstract

Cotton fleahopper (Pseudatomoscelis seriatus Reuter) (Hemiptera: Miridae) is a piercing—sucking insect that has emerged as a major pest of cotton (Gossypium hirsutum L.) in Texas. Cotton fleahoppers feed on floral buds, commonly referred to as squares, causing damage and abscission, and subsequent yield loss. Previous studies indicate that plant resistance to cotton fleahopper is present in upland cotton, but the mechanism of resistance remains undetermined. In this study, Pilose, a cultigen of G. hirsutum, was examined as a source of resistance to cotton fleahopper, focusing on mechanism of resistance and heritability of the resistance trait. Results indicated that the resistance trait in Pilose is heritable and that pubescence is causative of resistance or that the resistance trait may be tightly linked to genes controlling pubescence. Behavioral assays indicated nonpreference as a mode of resistance in plants with dense pubescence.

© The Authors 2015. Published by Oxford University Press on behalf of Entomological Society of America.
Laura Ann McLoud, Allen Knutson, Manuel Campos-Figueroa, C. Wayne Smith, and Steven Hague "Evaluating Pilose, a Cultigen of Gossypium hirsutum, as a Source of Resistance to Cotton Fleahopper (Hemiptera: Miridae)," Journal of Economic Entomology 108(4), 2048-2054, (1 August 2015). https://doi.org/10.1093/jee/tov128
Received: 17 February 2015; Accepted: 28 April 2015; Published: 1 August 2015
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