U.S. flag

An official website of the United States government

NALDC

Main content area

Black Ring, a Virus Disease of Cabbage and Other Crucifers


Author:
Tompkins, C.M., Gardner, M.W., and Thomas, H. Rex
Source:
USDA
Year:
1938
Format:
p. 929-943.
Language:
English
Collection:
USDA publications
Permanent URL:
http://handle.nal.usda.gov/10113/IND43969113