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1
The History and Ecology of Jack Pine
Budworm Populations in ...
Chapter Two Fossil evidence for increased jack pine budworm outbreak activity
following European- American settlement of Wisconsin Abstract Review of the
twentieth-century history of jack pine budworm (Choristoneura pinus) outbreaks ...
Michael Alan Tweiten, 2008
2
Budworm activity in Oregon and Washington, 1947-1979
BUDWORM. ACTIVITY. IN. OREGON. AND. WASHINGTON. 1947-1979.
INTRODUCTION. Spruce budworm was first recorded in the Pacific Northwest
Region1 in 1914 when specimens were reared from Douglas- fir at Ashland,
Oregon ...
Robert E. Dolph, United States. Forest Service. Pacific Northwest Region, United States. Forest Insect and Disease Management, 1980
3
Jack pine
budworm surveys
Numerica. anaylysis of a jack pine budworm outbreak in dense jack pine. Eviron.
Entomol: 9:514-424. Benjamin, D.M. 1956. Jack pine budworm surveys, Coop.
Econ. Insect RepL PI. Pest Control Branch A.R.S., Argic. 6:705-709. Benjamin ...
John C. Dixon, United States. Forest Service, 1985
4
Cooperative Spruce
Budworm Suppression Project, Maine, 1974 ...
From this quote we can see that if the Spruce Budworm's environment is properly
managed, it will be impossible for the budworm population to grow to epidemic
proportions. The budworm population would be controlled through lack of ...
5
Field comparison of spruce
budworm pheromone lures
Four types of spruce budworm pheromone lures were tested to compare field
longevity and efficiency. Biolures with three different pheromone release rates
and Silk-PVC lures all caught male budworm moths throughout the moth flight
period ...
6
Western spruce
budworm in Idaho and Montana, 1976: status, ...
status, impacts, and control alternatives for western spruce budworm in Idaho &
Montana United States. Forest Service. Northern Region. The resource manager
has three basic management alternatives available to cope with the western ...
United States. Forest Service. Northern Region, 1976
7
Resistance of Douglas-fir to western spruce
budworm: results ...
survived 7 years of intense defoliation by budworm (Blais l958). In another case,
mortality typical of merchantable balsam fir, was said to be 97 percent (Blais l954
). Douglas-fir (Pseudotsuga menziesii var. glauaa [(Bessn.] Franco) growing in ...
Geral I. McDonald, Intermountain Forest and Range Experiment Station (Ogden, Utah), 1979
8
Reldan insecticide field-tested on western spruce
budworm, ...
George P. Markin, David G. Grimble, Pacific Southwest Forest and Range
Experiment Station (Berkeley, Calif.) The Authors: GEORGE P. MARKIN is a
research entomologist working with the Station's field evaluation of chemical
inscticides unit ...
George P. Markin, David G. Grimble, Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.), 1982
9
Proceedings of a Symposium on the Spruce
Budworm, November ...
1 1 Q favored over Douglas-fir or should constitute at least 50 percent of the
residual stand if the risk of spruce budworm defoliation is to be reduced. Williams
and Shea (1971) discuss two silvicultural practices that could render the forest ...
United States. Forest Insect and Disease Management, 1976
10
Aerial field tests of five insecticides on western spruce ...
We thank Jerry Knopf and Herbert Meyer for the technical help and support they
contributed in conducting these tests; the U.S. Department of Agriculture's
Canada/United States Spruce Budworm Program for providing funds for some of
the ...
George P. Markin, David Reil Johnson, Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.), 1986
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Michigan DNR Studying Damage Caused By Spruce Budworm To …
The last time a widespread spruce budworm outbreak was recorded in Michigan was in the 1980s. With the insects active again, experts ... «Tech Times, 七月 15»
Experts mapping extent of spruce budworm's damage to balsam fir
According to reports, Michigan Department of Natural Resources forest health staff is mapping the degree of spruce budworm's damage to ... «Uncover Michigan, 七月 15»
Tobacco budworm difficult to control in geraniums
The tobacco budworm normally attacks the flowers and causes the plants to stop blooming. It is also a problem in petunias. But if there are no ... «Las Vegas Review-Journal, 七月 15»
After almost 30-year hiatus, spruce budworm might be back in a big …
After nearly 30 years on hiatus, it looks like the spruce budworm is once again rearing its head. The State Department of Natural Resources' ... «Michigan Radio, 七月 15»
Survey finds evergreen tree damage from spruce budworm …
Michigan Department of Natural Resources forest health staffers are mapping the latest outbreak of spruce budworm, which attacks balsam fir ... «The Republic, 七月 15»
Stateside for Wednesday, July 1, 2015
The Michigan Department of National Resources is keeping a close eye on the spruce budworm. It's one of the most destructive native insects ... «Michigan Radio, 七月 15»
Use organic sprays to eliminate worms
Answer: It is most likely tobacco budworm causing the holes in the leaves. It is a close relative of the tomato fruitworm and the corn earworm. «St. George Daily Spectrum, 六月 15»
DNR officials begin to assess budworm damage
The Michigan Department of Natural Resources has begun mapping the extent of this year's spruce budworm damage to balsam fir and white ... «UpNorthLive.com, 六月 15»
Bug infested forests raise fire danger in Washington
The state's worst patch of budworm damage is an area bordered by I-90 to the south, as Highway 97 runs right through it. Moths living in one ... «KING5.com, 六月 15»
Forest industry applauds Standing Committee report on renewal of …
The Committee recommends that the Government of Canada continue to take an active role in combatting the spruce budworm and other forest ... «Pulp & Paper Canada, 六月 15»
