05 Jul Purple Blotch- A major threat for onion growers
प्याज उत्पादकों के लिए बड़ा खतरा जांभळा करपा या बैंगनी धब्बा रोग Onion is susceptible to numerous foliar, bulb and root pathogens that reduces the quality and yield. Among the pathogens Alternaria porri, which causes purple blotch disease of onion is a serious menace in onion producing countries of the world. Found in all places where onions and garlic grow. The disease is also known as leaf spot or blight disease of onion and is the most destructive disease during kharif and rabi and drastically reduces the yield by upto 97%. The intensity of the diseases varies from season to season, variety to variety, and region to region. Symptoms: In this disease, initially small,...