Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Howard G. Townsend"'
Autor:
Howard G. Townsend, Samir F. Abd-Elghafar, Clyde E. Sorenson, Alan A. Schreiber, Mahlon L. Fairchild, Charles O. Knowles
Publikováno v:
Journal of Entomological Science. 33:300-312
From 1988 to 1994, adult vial bioassays were conducted on bollworms, Helicoverpa zea (Boddie), collected from pheromone traps in Missouri to determine their susceptibility to pyrethroids. Although most moths were susceptible to cypermethrin, many ass
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::383ad8df4a610e03bd1638b519284a8a
https://doi.org/10.18474/0749-8004-33.3.300
https://doi.org/10.18474/0749-8004-33.3.300
Autor:
Howard G. Townsend
Publikováno v:
Insecticide and Acaricide Tests. 17:65-65
This trial was conducted in a 25-yr-old commercial ‘Catawba’ vineyard near Mountain Grove, MO. The experimental design was completely randomized with 2 replications. Each plot consisted of 3 rows each containing 66 vines. Lorsban 4 E was applied
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::36b5c082928bb12cf0a898b86b0dbd3c
https://doi.org/10.1093/iat/17.1.65a
https://doi.org/10.1093/iat/17.1.65a
Autor:
Villiam G. Yendol, Howard G. Townsend
Publikováno v:
Journal of Economic Entomology. 61:916-918
Studies were conducted on the survival of overwintering eggs of Hypera postica (Gyllenhal) in 3 Pennsylvania counties during the winters of 1965 and 1966. Egg samples taken at monthly intervals during the winter were held until hatching occurred, and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fef0dad2e67de21178454853c0ec3e24
https://doi.org/10.1093/jee/61.4.916
https://doi.org/10.1093/jee/61.4.916
Autor:
Howard G. Townsend
Publikováno v:
Insecticide and Acaricide Tests. 4:25-26
Test materials were evaluated for efficacy against phytophagous and predatory mites. Treatments were applied using an air-blast sprayer at a rate of ca 250 GPA. Pretreatment counts were taken and the treatments applied on Aug 10 to 2 randomly selecte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f1e9f1f828a423abff0292fbbf32e302
https://doi.org/10.1093/iat/4.1.25
https://doi.org/10.1093/iat/4.1.25
Autor:
Steven Micinski, Howard G. Townsend
Publikováno v:
Insecticide and Acaricide Tests. 7:28-28
Tests were conducted on mature apple trees using single tree plots replicated 4 times in a completely randomized design. Treatments were applied with a handgun at a rate of 3 to 4 gal/tree on Apr 27 and May 11. The materials were evaluated for effica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9bea1cc4988f1295851505e1217daab2
https://doi.org/10.1093/iat/7.1.28a
https://doi.org/10.1093/iat/7.1.28a
Autor:
Howard G. Townsend, Stephen Micinski
Publikováno v:
Insecticide and Acaricide Tests. 6:27-27
Test materials were evaluated for efficacy against phytophagous and predatory mites. Treatments were applied using an air-blast sprayer at ca 250 GPA. Pretreatment counts were taken and the treatments applied on Aug 26. Treatments consisted of 4, 2-t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d74b1f362bed438ca028ceab044ae595
https://doi.org/10.1093/iat/6.1.27
https://doi.org/10.1093/iat/6.1.27