机译:Symptoms and distribution of blossom blight in alfalfa seed production on the Canadian Prairies
Agr & Agri Food Canada, Saskatoon Res & Dev Ctr, 107 Sci Pl, Saskatoon, SK S7N 0X2, Canada;
Alberta Agr & Forestry, Crop Diversificat Ctr South, Brooks, AB T1R 1E6, Canada;
Botrytis cinerea; lucerne; Medicago sativa; Sclerotinia sclerotiorum; seed production;