Systemic Insecticides for Control of Aphids on Field-Grown Easter Lily1

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At Harbor, Oregon, season-long protection of field-grown lily plants from aphid attack has been obtained from applications over bulbs in the furrow of granulated phorate and Di-Syston® (O,O-diethyl S-2-(ethylthio)ethyl phosphorodithioate). Mixing granules in the soil before setting the bulbs was also effective, as well as applying carbon dust formulations directly to the bulbs. Soaking bulbs in dilute emulsions or demeton, phorate, or Di-Syston was effective to a lesser degree. Chiefly involved were the foxgrove aphid (Myzus solani (Kitb,)), the melon aphid (Aphis gossypii Glov), and the western lily aphid (Macrosiphum ,scoliopi Essig). The shallot aphid (Myzus ascloonicus Doncaster), the potato aphid (Myzas cuphobiae (Thonmas)), and the green peach aphid (Myzus persicae (Sulz) appeared in small numbers.

Document Type: Research Article

Publication date: June 1, 1961

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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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