title: Evaluating Pilose, a Cultigen of Gossypium hirsutum, as a Source of Resistance to Cotton Fleahopper (Hemiptera: Miridae).
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.
authors.affiliation: Department of Soil and Crop Sciences, Texas A&M University, 370 Olsen Blvd., TAMU 2474, College Station, TX 77 843. lauramcloud@gmail.com.
authors.forename: Laura Ann
authors.initials: LA
authors.lastname: McLoud
authors.affiliation: Texas A&M AgriLife Research and Extension Center, 17 360 Coit Rd., Dallas, TX 75 252.
authors.forename: Allen
authors.initials: A
authors.lastname: Knutson
authors.affiliation: Texas A&M AgriLife Research and Extension Center, 2401 East Highway 83, Weslaco, TX 78 596.
authors.forename: Manuel
authors.initials: M
authors.lastname: Campos-Figueroa
authors.affiliation: Department of Soil and Crop Sciences, Texas A&M University, 370 Olsen Blvd., TAMU 2474, College Station, TX 77 843.
authors.forename: C Wayne
authors.initials: CW
authors.lastname: Smith
authors.affiliation: Department of Soil and Crop Sciences, Texas A&M University, 370 Olsen Blvd., TAMU 2474, College Station, TX 77 843.
authors.forename: Steven
authors.initials: S
authors.lastname: Hague
mesh_terms: D000818:Animals; D000898:Antibiosis; D005260:Female; D003368:Gossypium / Q000235:genetics / Q000502:physiology*; D020062:Heteroptera / Q000502:physiology*; D008297:Male
keywords: Gossypium hirsutum; Pilose; Pseudatomoscelis seriatus; cotton fleahopper