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A standardized system for surveying and reporting of races of bean rust is urgently needed


Author:
Wilkinson, R.E. and Vieira, C.
Source:
Other US
Year:
1972
Format:
p. 98-99.
Language:
English
Collection:
USDA publications
Permanent URL:
http://handle.nal.usda.gov/10113/IND43765166