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Corn earworm as an enemy of vetch


Author:
Luginbill, Philip and Beyer, A. H. (Adolph Harvey)
Source:
Farmers' bulletin (United States. Dept. of Agriculture) ; no. 1206 1921
Year:
1921
Subject:
life cycle (organisms), Heliothis zea -- Control, Vetch -- Diseases and pests, Helicoverpa zea, Vicia, natural enemies, Winthemia, parasitoids, biological control agents, control methods, and biological control
Format:
19 p. : ill. ; 23 cm.
Language:
English
Publisher:
U.S. Dept. of Agriculture
Collection:
Organic Roots Collection