2013年4月16日火曜日
2013年4月2日火曜日
Downy mildew
downy mildewfunction: noun date: 1886 1 : any of various parasitic lower fungi (family peronosporaceae) that produce whitish masses of sporangiophores or conidiophores on the undersurface of the leaves of the host2 : a plant disease caused by a downy mildew
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