Sunflower (Helianthus annuus L.) is native of southern USA and Mexico. Among the different diseases on sunflower; the powdery mildew caused by Erysiphe cichoracearum DC has been serious diseases in northern Karnataka causes sever losses in present climate change situation. Hence the experiment is carried out in 2013-14 at College of Agriculture, Bijapur, to know the effect of weather parameters in seven dates of sowing on sunflower powdery mildew. | Correlation between weather parameters and sunflower powdery mildew caused by Erysiphe cichoracearum DC
