Dr. R. SAMIYAPPANP. MAREESWARI2017-06-012017-06-012002http://krishikosh.egranth.ac.in/handle/1/5810013684TamilnullBIOEFFICACY AND PERSISTENCE OF HEXACONAZOLE 5 SC AGAINST OKRA POWDERY MILDEW (Erysiphe cichoracearum DC) AND CHILLI POWDERY MILDEW (Leveillula taurica (Lev.) Arn.)Thesis