Lecture on Downy Mildew of Mustard | Peronospora parasitica |Downy Mildew Diseases скачать в хорошем качестве

Lecture on Downy Mildew of Mustard | Peronospora parasitica |Downy Mildew Diseases

Angular, yellow and often restricted by veins on the upper surface. On the lower side of those spots a purplish colour is lacking and the lower side of the spots looks white to almost black. The entire leaf quickly dies. Usually, the central leaves are attacked first and are followed by other leaves until the entire plant is wilted or weakened. Early sowing, destruction of weed hosts, proper nutrition and reducing the amount of moisture among the vines. The spraying of some protectant fungicides like Mancozeb, Zineb and Tricop-50 (tribasic copper sulphate) @ 0.2-0.3 % at 5-7 days intervals. Other fungicides that have been used are Difolatan & chlorothalonil. Ridomil (Metalexyl + Mancozeb) @ 0.2 % is more effective in controlling the disease. Use of resistant variety. #DownyMildewofMustard #Peronosporaparasitica #DownyMildewDiseases