共 7 条
[2]
BOLTON A. T., 1964, CAN PLANT DIS SURV, V44, P83
[3]
FREEMAN JACK A., 1962, CANADIAN JOUR PLANT SCI, V42, P602
[4]
HORN N. L., 1962, PLANT DIS REPTR, V46, P762
[5]
McGREW J. R., 1964, PLANT DIS REP, V48, P929
[6]
McGREW J. R., 1959, PLANT DIS REPORTER, V43, P385
[7]
MOULTON J. E., 1958, MICHIGAN STATE UNIV AGRIC EXPT STA, V40, P568