020 A Survey of Strawberry Inflorescence Injury Caused by Strawberry Bud Weevil, Anthonomus signatus

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  • 1University of Maine, Highmoor Farm, Monmouth, ME 04259; 2Bates College, Maine

Three strawberry fields in Maine where surveyed to determine what level of blossom injury was caused by strawberry bud weevil; whether different orders of blossoms were effected differently; and whether injury was influenced by the location of the plants in the field. Three strawberry fields which had no insecticide applications where surveyed. A sample of 200 inflorescences where examined in four different locations in each field. The number of inflorescences in a field that had injury from strawberry bud weevil varied from 10% to 64%. Most flower clusters showing injury had one bud girdled, but many had two or more buds girdled. The tertiary and secondary order buds had the highest levels of injury, while the primary and quaternary buds had the lowest levels of injury. Location of the plants in the field did not show any obvious effects on injury levels.

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