IDENTIFICATION OF THE GENES ASSOCIATED WITH TOMATO IRREGULAR RIPENING USING MICROARRAY TECHNOLOGY Tomato irregular ripening (TIR) disorder has been associated with silverleaf whitefly (SLW) (Bemisia argentifolli Bellows and Perring) feeding. Symptoms of this physiological disorder do not appear on tomato foliage where whitefly feed, but appear as an uneven fruit color development. Plants infeste...
Papaya is not a host for tomato yellow leaf-curl virus The economic value of tomato production is threatened by tomato yellow leaf-curl virus TYLCV and its vector, the silverleaf whitefly Bemisia tabaci biotype B (Gennadius) (Hemiptera: Aleyrodidae). Use of papaya Carica papaya L. as a banker plant for a whitefly parasitoid shows promise as a whitefly m...
Environmental and geographical variables associated with TYLCV epidemics in southwest Florida Tomato yellow leaf curl virus (TYLCV), which is vectored by the silverleaf whitefly (Bemisia tabaci biotype B), was first detected in south Florida in 1997. The virus has spread widely in Florida and is responsible for millions of dollars of lost production. A more complete understanding of the temp...
SILVERLEAF WHITEFLY POPULATIONS AND TRICHOME DENSITIES OF UPLAND COTTONS The study was conducted in 2000 at the University of Arizona Agricultural Research Center, at Maricopa, AZ. Cotton cultivars were five normal-leaf cotton cultivars (Deltapine [DPL] 20B, DPL 50 B, DPL 90B, NuCOTN 33B, and Stoneville [ST] 474) and four okra-leaf cultivars (E0223, E0798, E1028, and Si...
INSECTICIDES EFFICACY AGAINST SILVERLEAF WHITEFLY IN COTTON, 2001 A stand of cotton, var. DPL 5415, was established at UC Desert Research & Extension Center 21 March 2001. Seven insecticide treatments and an untreated control were replicated four times in a randomized complete design. The following insecticide treatments were applied as foliar sprays: Assail 70 ...
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