Studies on the Powdery Milden of Blackgram and Greengram (Erysiphe polygoni D.C)
Prameela Devi. T
Studies on the Powdery Milden of Blackgram and Greengram (Erysiphe polygoni D.C) - 1983
Studies on the Powdery Milden of Blackgram and Greengram (Erysiphe polygoni D.C) - 1983