Zobrazeno 1 - 6 of 6 pro vyhledávání: '"Harold W. Flake"'
1
Laboratory Tests of 55 Insecticides on Douglas-Fir Tussock Moth Larvae1
Autor: Harold W. Flake, Linda Ball, Robert L. Lyon
Publikováno v: Journal of Economic Entomology. 63:513-518
Fifty-five insecticides were tested for their toxicity to larvae of the Douglas-fir tussock moth, Hemercampa pseudotsugata McDunnough. The 10 most active insecticides in descending order of average toxicity at LD90 were: pyrethrins, Dursban® ( O, O
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0e51ca6446a77fa6d53281da252e4201
https://doi.org/10.1093/jee/63.2.513
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2
Rearing Douglas-Fir Tussock Moth Larvae on Synthetic Media
Autor: Robert L. Lyon, Harold W. Flake
Publikováno v: Journal of Economic Entomology. 59:696-698
A procedure was developed for rearing larvae of Douglas fir tussock moth, Hemerocampa pseudotsugata McDun-nough, in large numbers on a synthetic medium for use laboratory testing of insecticides. The insect was reared from the egg stage generally to
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5e99d1c5e04fd1aacca7bf966bc768f1
https://doi.org/10.1093/jee/59.3.696
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3
Laboratory Insecticide Tests Against the Fall Webworm
Autor: Charles J. Germain, Harold W. Flake, Paul E. Buffam
Publikováno v: Journal of Economic Entomology. 62:565-566
Microbial and chemical insecticides were tested as sprays on Hyphantria cunea (Drury). Zectran® (4-dimethyl-amino-3,5-7-ylyl methylcarbamate), pyrethrins, and DDT were significantly more effective than 4 other compounds when applied directly to the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b22dd9b8a312c63e0c17561b088fb351
https://doi.org/10.1093/jee/62.3.565
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