Results 41 to 50 of about 1,551 (207)
White spruce (Picea glauca (Moench) Voss) trees that are resistant or susceptible to spruce budworm (Choristoneura fumiferana (Clem.)) attack were identified in a southern Quebec plantation.
Roberto Quezada-Garcia +3 more
doaj +1 more source
The next major eastern spruce budworm (Choristoneura fumiferana) outbreak is likely to begin impacting the forests of the northeastern US over the next few years. More than 4.7 million ha of forest and 94.8 million Mg of carbon in spruce (Picea spp.) and
John S. Gunn +5 more
doaj +1 more source
The host range of a mixture of Choristoneura fumiferana (Clemens) nucleopolyhedroviruses (CfMNPV and CfDefNPV) was investigated using a per os bioassay of larvae of 29 species of Lepidoptera and adult males of Megachile rotundata (F.) (Hymenoptera ...
Tim R. Ladd +5 more
core +1 more source
Survival-time analysis of white spruce during spruce budworm defoliation
Mortality and defoliation (DF%) in 987 white spruce (Picea glauca (Moench) Voss) trees were followed from 1992 to 2003 during an outbreak of the spruce budworm Choristoneura fumiferana (Clem.) in 15 white-spruce-dominated uneven-aged stands in the ...
Magnussen, Steen +2 more
doaj +1 more source
Ecology of outbreak populations of the western spruce budworm
We sampled outbreak populations of western spruce budworm, Choristoneura occidentalis (Lepidoptera: Tortricidae), between 1997 and 2016 in Douglas‐fir forests in the interior of British Columbia, Canada.
Vincent Nealis, Jacques Régnière
doaj +1 more source
Pathogenicity of a granulovirus towards Choristoneura fumiferana (Lepidoptera : Tortricidae)
The spruce budworm Choristoneura fumiferana (Clem.) is the most damaging insect of the balsam fir Abies balsema (L.) Mill. (Pinaceae) and the white spruce Picea glauca (Moench) Voss (Pinaceae) throughout eastern North America.
Cabana, Jean +2 more
core +1 more source
The location of the Choristoneura fumiferana baculovirus DNA polymerase gene was determined by hybridization analysis using a probe prepared from the previously identified polymerase gene from the Autographa californica multiple nuclear polyhedrosis ...
Carstens, Eric B., Liu, J.Jian
core +1 more source
Insect outbreaks can cover vast geographic areas making it onerous to cost-effectively monitor populations to address management or ecological questions.
R. Drew Carleton +16 more
doaj +1 more source
Eastern spruce budworm (Choristoneura fumiferana Clem; SBW) is a native forest pest that can severely damage spruce-fir forests in Maine. Monitoring SBW defoliation and populations is important to ensure forest managers make timely decisions regarding ...
Allison E. Foster +3 more
doaj +1 more source
Does a Spruce Budworm Outbreak Affect the Growth Response of Black Spruce to a Subsequent Thinning?
In Canada, new forestry practices involving the natural dynamics of tree growth and regeneration are proposed for integrating forest management with biodiversity.
Sergio Rossi +3 more
doaj +1 more source

