Survey for occurrence and distribution of downy mildew disease of grape in major grape growing areas of Maharashtra state
Khatal MP, Narute TK, Sonawane RB and Dalvi SG
Survey is an exercise implemented for the collection of information, data and interpretation of research. The main objectives of disease survey is to know about disease status through disease monitoring and observation of disease symptoms in particular areas. Survey provides the information of current status of that particular disease as well as occurrence of newly disease in selected targeted area. Downy mildew disease is a major constraint and causes huge losses of grape crop all over the world in every year. Accordingly the roving survey on downy mildew disease of grape in grape growing regions of Maharashtra State were carried out during October pruning 2020 and 2021 in five district of Maharashtra State viz., Nashik, Pune, Ahmednagar, Sangli and Solapur. During survey time GPS location of surveyed areas were captured and downy mildew disease samples were collected for further studies. Survey interpretation is illustrated and described in detail as below. During year 2020-21 maximum disease intensity was observed in Sangli district (24.50%) followed by Solapur district (15.66%) and minimum in Pune district (14.35%) followed by Ahmednagar district (14.43%) and Nashik district (15.47%). On the other hand, during year 2021-22 highest disease intensity was found in Sangli district (25.92%) followed by Nashik district (17.39%) and minimum in Ahmednagar district (16.16%) followed by Pune district (16.34%) and Solapur district (17.15%).
How to cite this article:
Khatal MP, Narute TK, Sonawane RB and Dalvi SG. Survey for occurrence and distribution of downy mildew disease of grape in major grape growing areas of Maharashtra state. The Pharma Innovation Journal. 2022; 11(9S): 92-96.