Percentage of Curly Leaf Infection in Beet Leafhopper (Eutettix Tenella Baker) and Winter Host Plants under Field Conditions

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Abstract:

The percentage of curly leaf (curly top or blight) which develops in beet fields after the spring dispersal of the beet leafhopper (Eutettix tenella Baker) from the plains and foothills depends upon the number of leafhoppers on each beet. Seventeen per cent of the spring brood adults collected on the foothills of Little Panoche Valley in the San Joaquin Valley transmitted curly leaf to sugar beets. One per cent of the winter host plants, namely Red Stem Filaree (Erodium cicutarium) harbored curly leaf under natural conditions on the foothills of Little Panoche Valley.

Document Type: Research Article

Publication date: October 1, 1925

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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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