Alfalfa Weevil Control Studies in West Virginia1

Autor:	C. K. Dorsey, D. O. Quinn
Rok vydání:	1962
Předmět:	Ecology biology Heptachlor ved/biology Weevil West virginia ved/biology.organism_classification_rank.species Good control General Medicine biology.organism_classification chemistry.chemical_compound Dieldrin Agronomy chemistry Insect Science Acre Hypera postica
Zdroj:	Journal of Economic Entomology. 55:365-368
ISSN:	1938-291X 0022-0493
DOI:	10.1093/jee/55.3.365
Popis:	Comparative studies on the control of the alfalfa weevil ( Hypera postica (Gyllenhal) were conducted during 1960 and 1961. Treatments were applied both in the spring and in the fall using granules and spray formulations. Heptachlor gave good control when applied in the fall or spring, at the rates of 0.5 or 1.0 lb. per acre as granules or sprays. Similar results were obtained with dieldrin applied at the same rates, but weevil control was not quite as good. Several organic phosphate spray formulations, applied in the spring, provided Some protection against the alfalfa weevil, but control was not satisfactory.
Databáze:	OpenAIRE
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