Spruce budworm core B.t. test, 1980
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Spruce budworm core B.t. test, 1980 combined summary by Gerald S. Walton

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Published by U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station in [Broomall, Pa.] .
Written in English

Subjects:

  • Spruce budworm -- United States,
  • Pests -- Biological control -- United States,
  • Spruce budworm -- Biological control -- United States

Book details:

Edition Notes

StatementGerald S. Walton, Franklin B. Lewis ; prepared by Forest Service, U.S. Department of Agriculture, Northeastern Forest Experiment Station.
SeriesResearch paper NE -- 506.
ContributionsLewis, Franklin B., Northeastern Forest Experiment Station (Radnor, Pa.), Canada/United States Spruce Budworms Program.
The Physical Object
Pagination12 p. ;
Number of Pages12
ID Numbers
Open LibraryOL17550926M
OCLC/WorldCa9521659

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