Late blight of potato :phytophthora infestans
Henfling, J.W.
Late blight of potato :phytophthora infestans J.W. Henfling - Lima International Potato Center 1979 - ii, 13p.; 22cm.
635.212 4 H387L
Late blight of potato :phytophthora infestans J.W. Henfling - Lima International Potato Center 1979 - ii, 13p.; 22cm.
635.212 4 H387L