共 8 条
[1]
CLARK J. A., 1928, Journal of the American Society of Agronomy, V20, P152
[2]
COVILLE FV, 1920, J AGR RES, V6, P265
[3]
DEMAREE JB, 1938, P AM SOC HORT SCI, P451
[4]
DICKEY RD, 1938, U FLA AGR EXPT B, V324
[5]
HEALD FD, 1933, MANUAL PLANT DISEASE
[6]
OBERLE GD, 1938, NY AGR EXPT STATION, V250
[7]
PANTANELLI E, 1920, RIV PATOL VEG, V10, P51
[8]
Snyder E., 1937, USDA YB AGR, P631