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Spruce budworms handbook : regional evaluation of B.t. for spruce budworm control


Author:
Grimble, David G. and Morris, O. N. (Oswald N.)
Source:
USDA
Year:
0000
Subject:
Spruce budworm and Biological control
Format:
ii, 9 p. : ill. ; 22 cm.
Language:
English
Publisher:
U.S. Dept. of Agriculture, Forest Service, Cooperative State Research Service
Collection:
USDA publications
Permanent URL:
http://handle.nal.usda.gov/10113/CAT87212360