Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Arthur F. Hagen"'
Autor:
Arthur F. Hagen, G. R. Manglitz
Publikováno v:
Journal of Economic Entomology. 60:1663-1666
Parasitism of the alfalfa weevil, Hypera postica (Gyllenhal) by Bathyplectes curculionis (Thomas) was studied in 1963-66 in a 5-State area immediately east of the Rocky Mountains. The parasite was easily detected wherever weevil larvae were collected
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::23cc5a5c973deef6a28b1cf4a302aa54
https://doi.org/10.1093/jee/60.6.1663
https://doi.org/10.1093/jee/60.6.1663
Publikováno v:
Journal of Economic Entomology. 66:429-432
Feeder calves (917) were treated for control of cattle grubs, Hypoderma spp. with fenthion 1% feed additive, 2% and 3% pour-ons, 10% water additive; 4% coumaphos pour-on; and 8% trichlorfon paur-on; 448 calves were left untreated to serve as controls
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f3f7fb67cdeb091959463e6c0bf26410
https://doi.org/10.1093/jee/66.2.429
https://doi.org/10.1093/jee/66.2.429
Autor:
Arthur F. Hagen
Publikováno v:
Journal of Economic Entomology. 55:628-631
Studies were conducted on the western bean cutworm, Loxagrotis albicosta (Smith), in irrigated corn in Dundy County, Nebraska, in 1961. Adults appeared the early part of July. At the peak of the flight 4,144 adults were collected by a light trap in a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::246148336906eb3a4c9b0e62ca22203f
https://doi.org/10.1093/jee/55.5.628
https://doi.org/10.1093/jee/55.5.628
Autor:
Arthur F. Hagen, Frank N. Anderson
Publikováno v:
Journal of Economic Entomology. 60:1071-1073
The leaf feeding of the adult western corn rootworm, Diabrotica uirgifera LeConte, on corn plants exhibiting visual symptoms of nitrogen deficiency, zinc deficiency, and no deficiency was studied. It appeared the pubescence on the upper lea f surface
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f49f09d9488a1ef0d0734bb836cbcefb
https://doi.org/10.1093/jee/60.4.1071
https://doi.org/10.1093/jee/60.4.1071
Autor:
Arthur F. Hagen
Publikováno v:
Journal of Economic Entomology. 56:222-224
Control studies were conducted on the western bean cutworm, Loxagrolis albicosta (Smith), in field beans in heavily infested areas of western Nebraska during 1958, 1959, and 1960. Because infestations vary from field to field, it was necessary to det
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1b93888518077b1baf496eca8c5950a5
https://doi.org/10.1093/jee/56.2.222
https://doi.org/10.1093/jee/56.2.222
Autor:
Arthur F. Hagen
Publikováno v:
Journal of Economic Entomology. 75:706-707
Two Labops hesperius Uhler infested fields of crested wheatgrass, Agroypron desertorum (Fisch. ex Link) Schult, were used in the study. The forage was harvested from one field each year, whereas the other field was not harvested. Highly significant d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bb77b711a1bb414f872f361b1152502b
https://doi.org/10.1093/jee/75.4.706
https://doi.org/10.1093/jee/75.4.706
Autor:
Arthur F. Hagen
Publikováno v:
Journal of Economic Entomology. 60:590-591
Two systemic insecticides, trichlorfon and fenthion, were tested for control of Hypoderma bovis (L.), northern cattle grub; and H. lineatum (dc Villers), common cattle grub, through 2 grub seasons, 1964-65, 1965-66. Trichlorfon was tested as 8% and 1
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::552fe6efa20cddc5468f1ad735034655
https://doi.org/10.1093/jee/60.2.590
https://doi.org/10.1093/jee/60.2.590
Autor:
Arthur F. Hagen
Publikováno v:
Journal of Economic Entomology. 55:574-575
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e98845b4925963b306a194a4b781e5d1
https://doi.org/10.1093/jee/55.4.574
https://doi.org/10.1093/jee/55.4.574
Autor:
Arthur F. Hagen
Publikováno v:
Insecticide and Acaricide Tests. 2:146-146
The Scottsbluff area treated was 182 acres of lowland pasture in which 2 streams and 2 ponds are located. In addition, waste water from surrounding irrigation also drains into the area causing additional moist, swampy areas. The chemical was diluted
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e6b248ab96446a168e5723c8935128a3
https://doi.org/10.1093/iat/2.1.146
https://doi.org/10.1093/iat/2.1.146
Autor:
Arthur F. Hagen
Publikováno v:
Journal of Economic Entomology. 67:137-137
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a0bd8c7139f1914a67efcfd84e5eb45d
https://doi.org/10.1093/jee/67.1.137
https://doi.org/10.1093/jee/67.1.137