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Feeding Response of the Green Peach Aphid (Homoptera: Aphididae) to Potato Glandular Trichomes

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Green peach aphid, Myzus persicae (Sulzer), feeding behavior on the resistant potato species Solanum berthaultii Hawkes is characterized by a delay in probing, probes of shorter duration, and a decrease in total feeding time compared with the susceptible S. tuberosum cultivar 'Hudson,' The causal factor is associated with type B glandular trichomes. Removal of type B droplets resulted in a decrease in preprobe time compared with that on intact S. berthraultii leaves. Foliage of an F3 inter specific hybrid lacking type B trichomes did not deter feeding, Transfer of type B exudate to leaves of cv. Hudson produced a delay in probing compared with untreated leaves. The deterrence of type B exudate may reduce vector efficiency of the green peach aphid by delaying probing beyond the retention period of nonpersistent viruses such as potato virus y.

Document Type: Research Article

Publication date: April 1, 1984

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  • Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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