Studies on the downy mildew of onions, and the casual organism, peronospora dest
Cook, H.T.
Studies on the downy mildew of onions, and the casual organism, peronospora dest - Ithaca 1932 - 1-40 p. - Cornell Agricultural Experime .
Studies on the downy mildew of onions, and the casual organism, peronospora dest - Ithaca 1932 - 1-40 p. - Cornell Agricultural Experime .