Zobrazeno 1 - 10
of 88
pro vyhledávání: '"O. Olfert"'
Publikováno v:
Psyche: A Journal of Entomology, Vol 2012 (2012)
Pea leaf weevil, Sitona lineatus (L.), native to Europe and North Africa, has been introduced into many other countries around the world, including the USA and Canada. Adults are oligophagous pests on leguminaceous plants. Sitona lineatus was first r
Externí odkaz:
https://doaj.org/article/80df0dbda60247acb2bb671aa363812b
Publikováno v:
Psyche: A Journal of Entomology, Vol 2011 (2011)
Climate is the dominant factor determining the distribution and abundance of most insect species. In recent years, the issue of climatic changes caused by human activities and the effects on agriculture has raised concern. General circulation model s
Externí odkaz:
https://doaj.org/article/4af1b9bc2e2b40a288bc3f86f63804f2
Autor:
Martin A Erlandson, Boyd A Mori, Cathy Coutu, Jennifer Holowachuk, Owen O Olfert, Tara D Gariepy, Dwayne D Hegedus
Publikováno v:
PLoS ONE, Vol 14, Iss 6, p e0218993 (2019)
The bertha armyworm (BAW), Mamestra configurata, is a significant pest of canola (Brassica napus L. and B. rapa L.) in western North America that undergoes cyclical outbreaks every 6-8 years. During peak outbreaks millions of dollars are spent on ins
Externí odkaz:
https://doaj.org/article/70a1682aea1042208cebc1d3f53fd96e
Publikováno v:
The Canadian Entomologist. 154
Wheat, Triticum aestivum Linnaeus (Poaceae), and canola, Brassica napus Linnaeus (Brassicaceae), yield is at risk from insects, weeds, and pathogens. Insects must adapt to both seasonal and annual weather patterns and are known to respond to climate
Publikováno v:
Canadian Journal of Agricultural Economics/Revue canadienne d'agroeconomie. 29:303-316
Autor:
O. Olfert, J.F. Doane
Publikováno v:
Crop Protection. 27:951-958
Wheat midge, Sitodiplosis mosellana (Gehin) (Diptera: Cecidomyiidae), was first detected as early as 1901 in western Canada. The first major outbreak in Saskatchewan was recorded in 1983. In 1984, Saskatchewan wheat midge populations were found to be
Autor:
O. Olfert, R.M. Weiss
Publikováno v:
Agriculture, Ecosystems & Environment. 113:295-301
Climate change scenarios were applied to bio-climatic models to predict the potential distributions and relative abundances of three pest species that have recently been introduced to Canada: Ceutorhynchus obstrictus (Coleoptera: Curculionidae), Meli
Publikováno v:
Agriculture, Ecosystems & Environment. 95:69-72
Commercial farms were examined in western Canada to assess the impact of two cropping systems (annual-grain and diversified grain-forage) and two input systems (high level and organic) on carabid beetles. Pitfall traps were used to sample beetles ove
Publikováno v:
Integrated Pest Management ISBN: 9789400778016
Canada is one of the largest agricultural producers and exporters in the world, and agricultural production systems are as varied as might be expected in such a vast country with many different regions, soil types and climates. In this Chapter we pre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e5a808c7f9faa25b55edf408cdb3babf
https://doi.org/10.1007/978-94-007-7802-3_9
https://doi.org/10.1007/978-94-007-7802-3_9
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