TY  - JA
AU  - Graham,K.H.
AU  - Niederhauser,J.S.
AU  - Romero,S.
TI  - Observations on races of Phytophthora infestants in Mexico during 1956-1957
PY  - 1959///
KW  - Infestation
KW  - Mexico
KW  - Phytophthora
KW  - Plant disease manifestations
KW  - Solanum
N1  - Tables, literature cited p. 203
T2  - American Potato Journal
ER  -