Sampling populations of western spruce budworm and predicting defoliation on Douglas-fir in eastern Oregon
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Sampling populations of western spruce budworm and predicting defoliation on Douglas-fir in eastern Oregon by V. M. Carolin

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Published by Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service in Portland, Or .
Written in English

Subjects:

  • Western spruce budworm -- Oregon.,
  • Douglas fir -- Diseases and pests -- Oregon.,
  • Insect populations -- Oregon.

Book details:

Edition Notes

StatementV.M. Carolin and W.K Coulter.
SeriesUSDA Forest Service research paper PNW -- 149.
ContributionsCoulter, W. K.
The Physical Object
Pagination38 p. ;
Number of Pages38
ID Numbers
Open LibraryOL16011605M

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