Black rootrot disease of apple
Fromme, F.D.
Black rootrot disease of apple - Virginia 1928 - 1-52 p. - Disease, Apple Virginia Polytechnic Institute Agricultural Experiment Station. Technical Bulletin No. 34 .
Black rootrot disease of apple - Virginia 1928 - 1-52 p. - Disease, Apple Virginia Polytechnic Institute Agricultural Experiment Station. Technical Bulletin No. 34 .