Resistance to Raspberry Bud Moth (Lepidoptera: Carposinidae) in Raspberry Cultivars

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Raspberry cultivars (Rubus spp.) were screened for their susceptibility to larvae of the New Zealand raspberry bud moth, HeteroCTossa rubophaga Dugdale (=Carpostna adreptella Walker). A useful degree of resistance was found in some black and purple raspberry cultivars being selected for other agronomic characteristics. This useful trait was inherited in offspring of crossesmade with resistant parents. Results of resistance evaluation in an excised leaf test and an excised shoot test were similar. Resistance in raspberry cultivars to H. rubophaga and a leaf roller Eptphyas postvtttana (Walker) did not appear to be related. Development from egg hatch to adult emergence of the bud moth larvae on blackberry, R. echtnatus Lindley, averaged 35.5 d. When given a choice, adult moths laid about three times more eggs on blackberry than red raspberry shoots. Eggs were stored for up to 10 d at 4┬ĚC without any adverse effect on egg hatch and larval establishment.

Document Type: Research Article

Publication date: February 1, 1991

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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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