TY  - SER
AU  - Madden, L. V.,
TI  - Phytopathology Vol. 81(7-12)
U1  - 632 
PY  - 1991///
CY  - Minnesota
PB  - American Phytopathological Society
KW  - Phytopathology
KW  - Plant injuries, diseases & pests
KW  - Plant Pathology
ER  -