Zobrazeno 1 - 10
of 82
pro vyhledávání: '"Owen Olfert"'
Publikováno v:
The Canadian Entomologist. 153:222-236
Wheat midge,Sitodiplosis mosellanaGéhin (Diptera: Cecidomyiidae), is an invasive pest of wheat,Triticumspp. (Poaceae), in North America and is found in all wheat-growing regions of the world. Wheat midge biology, particularly post-diapause emergence
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. 152:311-329
This paper describes a tri-trophic analysis of the ecological dynamics of a crop, an insect pest, and a natural enemy of the insect pest. Worldwide wheat (Triticum Linnaeus) (Poaceae) production in 2018–2019 was estimated at over 700 million metric
Autor:
Roberto C. Izaurralde, Taras E. Lychuk, Owen Olfert, Reynald Lemke, Alan P. Moulin, Eric N. Johnson, Stewart A. Brandt
Publikováno v:
Geoderma. 337:664-678
Climate change, agricultural inputs, cropping diversity, and environment have seldom been combined in analyses of soil organic carbon (SOC), and soil C respired through microbial respiration (MR). This modeling study assessed SOC and MR simulated wit
Publikováno v:
Journal of economic entomology. 114(1)
Grasshoppers have been a chronic problem for agriculture on the Canadian prairies, the northern limits of the Northern Great Plains, since settlement of the region in the mid-1800s. Grasshopper pest management tools include biological control, cultur
Publikováno v:
The Canadian Entomologist. 151:16-33
Wheat stem sawfly, Cephus cinctus Norton (Hymenoptera: Cephidae), indigenous to North America, quickly adapted from host native grasses to wheat crops (Triticum Linnaeus (Poaceae)) with expansion of agriculture on the Great Plains of North America. B
Autor:
David R. Gillespie, Peter G. Mason, Tara D. Gariepy, Gary A. P. Gibson, R.M. Weiss, Tim Haye, Owen Olfert
Publikováno v:
Biological Control. 124:30-39
Climatic requirements of natural enemies have important implications for predicting the outcome of classical biological control programs. A five year study (2011–2015) investigated the ectoparasitoid community of the oilseed rape pest Ceutorhynchus
Autor:
Meghan A Vankosky, Asha Wijerathna, Owen Olfert, Héctor A. Cárcamo, Maya L. Evenden, Scott B Meers
Publikováno v:
Annals of the Entomological Society of America. 111:144-153
The pea leaf weevil, Sitona lineatus (L.; Coleoptera: Curculionidae), is a significant pest of field peas (Pisum sativum L.) and faba bean (Vicia faba L.) in most temperate regions. Considerable research progress has been made towards understanding i
Publikováno v:
The Canadian Entomologist. 150:637-651
To determine resistance of Brassicaceae field crops to Contarinia Róndani (Diptera: Cecidomyiidae) midge complex (Contarinia nasturtii Kieffer and Contarinia undescribed species), field trials of two different host assemblages were undertaken near M
Publikováno v:
The Canadian Entomologist. 150:100-115
Flea beetle (Coleoptera: Chrysomelidae) species and numbers were determined from yellow sticky traps (n=11 180) set out in canola (Brassica Linnaeus, Brassicaceae) fields at 300 site years and 15 ecoregions across the Canadian Prairie provinces in ea