Hodgden, L. D.2015-12-312015-12-311978http://hdl.handle.net/2097/26878Call number: LD2668 .T4 1978 H63Peronospora trifoliorum.Alfalfa--Disease and pest resistance.Downy mildew diseases.Peronosporaceae.Environmental effects on Peronospora trifoliorum oospore production in seedlings of two alfalfa clones ; Attempts to germinate Peronospora trifoliorum oosporesTextMasters theses