Browsing Agricultural Experiment Station -- Technical Bulletins by Subject "Pear scab -- Oregon"

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Pear scab in Oregon

Kienholz, J. R. (Jess Reuben), 1904-; Childs, Leroy, 1888- (Corvallis : Agricultural Experiment Station, Oregon State College, 1951-11)

The pear scab fungus (Venturia pyrina Aderh.) has been in Oregon for many years. It has become a serious economic problem in the main pear-growing districts since 1932. Of all diseases, scab causes the most consistent ...