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Transmission of Fire Blight by Bees and Its Relation to Nectar Concentration of Apple and Pear Blossoms


Author:
Keitt, G.W. and Ivanoff, S.S.
Source:
USDA
Year:
1941
Format:
p. 745-753.
Language:
English
Collection:
USDA publications
Permanent URL:
http://handle.nal.usda.gov/10113/IND43969610