Green peach aphid resistance by glandular trichomes inSolanum tuberosum xS. berthaultii hybrids |
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| Authors: | Ward M Tingey Robert L Plaisted Jean E Laubengayer Shawn A Mehlenbacher |
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| Institution: | 1. Department of Entomology, Cornell University, 14853, Ithaca, New York
2. Department of Plant Breeding and Biometry, Cornell University, 14853, Ithaca, New York
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| Abstract: | Three interspecific F3 hybrid clones ofSolarium tuberosum L. x 5.berthaultii Hawkes bearing both Type A and Type B glandular trichomes were assessed for resistance to the green peach aphid,Myzus persicae (Sulzer). In glasshouse trials, aphid mortality and population development on hybrid clones were similar to those on the aphid-resistant parent,S. berthaultii. Trichome exudate of the hybrid, B227-63, was as effective in aphid immobilization as that ofS. berthaultii. Field populations of the green peach aphid on hybrids were intermediate between those onS. berthaultii and susceptibleS. tuberosum cultivars. |
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