Incidence of Root-Feeding Weevils, Root Rot, Internal Breakdown, and Virus and Their Effect on Longevity of Red Clover¹

Authors: NEWTON, R. C.; GRAHAM, J. H.

Source: Journal of Economic Entomology, Volume 53, Number 5, October 1960 , pp. 865-867(3)

Publisher: Entomological Society of America

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Abstract:

Root growth of red clover and injury by the clover root curculio (Sitona hispidula (F.)), the weevil Calomycterus setarius Roelofs and the clover root borer (Hylastinus obscurus(Marsh.)) and their association with root rot, internal breakdown of crown tissue, and virus were investigated by weekly examinations of plants during two growing seasons. The data indicate that weevil damage, internal breakdown, and associated and independent root rot are the major factors in the lack of persistence of red dover. The interaction of these factors probably contributed to the arrested plant growth during June of the second year and at the end of October had killed two-thirds of the plants in the experimental plot.

Document Type: Research article

Publication date: 1960-10-01

More about this publication?

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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