Silverleaf Whitefly: Infestation Development in Relation to Cotton Genotype

T.F. Leigh, P.F. Wynholds and L.D. Godfrey


Commercial cotton cultivars and breeders lines were evaluated for resistance to silverleaf whitefly, Bemisia tabaci (Gennadius), in three field trials in 1993. B. tabaci populations were generally low but statistically significant differences occured in counts of immature forms in the commercial upland cotton trial and of all forms in the breeders lines trial. 'Acala SJ-2' supported higher populations of whitefly in two trials. Differences between commercial cultivars were not large but the three trials suggest useful resistance is possible and available.

Reprinted from Proceedings of the 1994 Beltwide Cotton Conferences pp. 865 - 866
©National Cotton Council, Memphis TN

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Document last modified Sunday, Dec 6 1998