Zobrazeno 1 - 3
of 3
pro vyhledávání: '"J. J. Fettes"'
Publikováno v:
The Canadian Entomologist. 94:477-486
Neodiprion swainei Middleton is the most serious defoliator of jack pine, Pinus bamksiana Lambert, in Canada. The damage to stands of this species in northern Quebec has been extensive and has resulted in considerable forest-fire hazard. Virus infect
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b423305add55865ed5e7ed3878a66e6c
https://doi.org/10.4039/ent94477-5
https://doi.org/10.4039/ent94477-5
Publikováno v:
Canadian Journal of Research. :308-331
Biological and meteorological records were examined for periods when outbreaks of the spruce budworm, Choristoneura fumiferana (Clem.), were known to have occurred in northeastern North America. The survey showed that the following significant events
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::96aeeb2f040777fced22b73f5ef2cf4d
https://doi.org/10.1139/cjr50d-021
https://doi.org/10.1139/cjr50d-021
Publikováno v:
The Canadian Entomologist. 105:1535-1544
A 10,000 acre stand of mature balsam fir, in Temiscouata County, Quebec, which had a spruce budworm population of about 21 larvae/18 in. branch-tip was sprayed with a Bacillus thuringiensis + chitinase formulation. Aerial spraying was carried out by
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::63a2daa137e9d6bb470ac59fce42a758
https://doi.org/10.4039/ent1051535-12
https://doi.org/10.4039/ent1051535-12