TY - BOOK AU - Kulkarni,Srikant ...[etal] TI - Pathogenic variability in plasmopara halstedii (Farl.) Berl. & DeToni causing downy mildew of sunflower PY - 2006/// CY - Dharward PB - University of Agricultural Sciences, Department of Plant Pathology KW - Helianthus annus KW - Mildews KW - Plasmopara halstedii ER -