Zobrazeno 1 - 10
of 10
pro vyhledávání: '"H. H. Vardell"'
Publikováno v:
The Canadian Entomologist. 110:907-912
The radiosensitivity of a wild-type (+/+) laboratory strain of Tribolium confusum Jacquelin duVal was compared with that of an extra-large (xl/xl) strain known to differ in only a single locus. Differences in both longevity and fecundity between the
Autor:
H. H. Vardell, John H. Brower
Publikováno v:
The Canadian Entomologist. 108:1391-1394
When female Tribolium castaneum (Herbst) were sequentially paired with male T. castaneum and then with male T. confusum Jacquelin duVal, 93% of the eggs hatched after the first confinement but only 58.9% hatched after the second confinement. The reci
Autor:
J. H. Brower, H. H. Vardell
Publikováno v:
Canadian Journal of Genetics and Cytology. 17:609-613
A new mutant of Tribolium confusum Jacquelin duVal (Coleoptera: Tenebrionidae), extra-large (designated xl), was isolated in mating competition tests with red-eye (re) and wild-type (+). Crosses showed that it was autosomal recessive gene with subvit
Publikováno v:
Journal of Economic Entomology. 66:761-764
Dichlorvos sprayed on wheat at 15 ppm resulted in deposits ranging from 2.4 to 6.0 ppm immediately after treatment. Residues decreased to 0.5 ppm or less during 6 weeks of storage in 3.5-m3 bins. Temperature of the grain was an important factor affec
Publikováno v:
Journal of economic entomology. 66(3)
Publikováno v:
Journal of economic entomology. 66(1)
Publikováno v:
Journal of economic entomology. 66(3)
Autor:
H. H. Vardell
Publikováno v:
Journal of Economic Entomology. 68:69-70
Pallet-size plywood containers holding forty-eight 50-lb bags of flour were fumigated with methyl bromide. These fumigations at 15.6, 21.1, and 26.7°C were repeated until the 125-ppm tolerance for inorganic bromide on the flour was reached or exceed
Publikováno v:
Journal of Economic Entomology. 66:800-801
Publikováno v:
Journal of Economic Entomology. 66:1209-1210
Phosphine gas, derived from aluminum phosphide pellets, was used to fumigate bagged flour in plywood containers covered with 4-m polyethylene film. Caged insects, representing eggs, larvae, pupae, and adults of Plodia interpunctella (Hubner), Rhyzope