http://pec.lib.wvu.edu/record/P122021957Screening of Solanum species for resistance to physiologic races of Phytophthora infestans.<p> Journal article reprint from: <em>American Potato Journal</em>, v.34:no.110 (1957:Oct.).</p>Black, W.Gallegly, M. E. (Mannon E.)Solanum.Phytophthora infestans.Potatoes--Diseases and pests.14256