共 12 条
[1]
BAWDEN FC, 1943, PLANT VIRUSES VIRUS, P211
[2]
Christensen JJ, 1934, PHYTOPATHOLOGY, V24, P726
[3]
CONNERS IL, 1950, SURVEY PREVALENCE PL
[4]
CONNERS IL, 1943, SURVEY PREVALENCE PL
[5]
CONNERS IL, 1930, SURVEY PREVALENCE PL
[6]
CONNERS IL, 1951, SURVEY PREVALENCE PL
[7]
DICKSON JG, 1947, DISEASES FIELD CROPS
[8]
DRAYTON FL, 1926, DEP AGR B, V71, P13
[9]
HAGBORG WAF, 1951, 1951 P C MAN AGR, P15
[10]
McKINNEY H. H., 1951, PLANT DIS REPORTER, V35, P48