Zobrazeno 1 - 10
of 71
pro vyhledávání: '"J.J. Soroka"'
Autor:
J.J. Soroka, B.D. Gossen
Publikováno v:
Canadian Journal of Plant Science. 102:575-588
Many arthropods have been reported (but none confirmed) as causal agents of sterile seed heads in perennial grass seed fields, known as silvertop or white head. Field studies to identify the arthropods that cause silvertop were conducted in five pere
Publikováno v:
Canadian Journal of Plant Science. 100:575-591
This study investigated the relationships between numbers of Delia species (Delia spp. Rob.-Desv., Diptera: Anthomyiidae) flies or eggs and root injury levels of Brassica napus L. and Brassica rapa L. (Brassicaceae) canola (oilseed rape), and between
Publikováno v:
The Canadian Entomologist. 150:66-79
Crucifer flea beetle, Phyllotreta cruciferae (Goeze) and striped flea beetle, Phyllotreta striolata (Fabricius) (Coleoptera: Chrysomelidae) are the most chronic and economically important flea beetle pests of cruciferous (Brassicaceae) crops in weste
Publikováno v:
The Canadian Entomologist. 149:616-627
Both the striped flea beetle, Phyllotreta striolata (Fabricius), and crucifer flea beetle, Phyllotreta cruciferae (Goeze) (Coleoptera: Chrysomelidae), are invasive alien species to North America. In western Canada, they are the most significant insec
Autor:
Margaret Y. Gruber, Peta C. Bonham-Smith, J. Adamson, J.J. Soroka, Ushan I. Alahakoon, Larry Grenkow
Publikováno v:
The Canadian Entomologist. 148:603-615
Plant growth and insect resistance characteristics were determined for two Brassica napus Linnaeus (Brassicaceae) lines, AtGL3+ and K-5-8, developed for enhanced trichome densities relative to their parental cultivar Westar. In the field, both transg
Publikováno v:
Environmental Entomology. 43:1443-1452
The currently accepted lower threshold temperature for the development of diamondback moth, Plutella xylostella (Lepidoptera: Plutellidae), the world's most destructive insect pest of cruciferous crops, is around 6.0°C, and there is no known upper t
Publikováno v:
The Canadian Entomologist. 147:89-96
The crucifer flea beetle, Phyllotreta cruciferae (Goeze) (Coleoptera: Chrysomelidae), is the most important pest of seedling canola, Brassica napus Linnaeus (Brassicaceae), in North America, yet effects of weather on its dispersal and flight activity
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Akademický článek
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Publikováno v:
Biocontrol Science and Technology. 23:724-729
The prevalence of the diamondback moth and its larval parasitoids, was explored across Saskatchewan, Canada. Higher numbers of diamondback moths were recorded early in the season than later and in the Mixed Grassland compared to three other ecoregion