Apple leaf and fruit blotch: Symptoms, causes and management
Madhu GS, Sajad UN Nabi, Javid Iqbal Mir, Wasim Hassan Raja, Muneer A Sheikh, Om Chand Sharma, Desh Beer Singh
Apples are most predominantly produced fruits, cultivated in all temperate regions of the globe. Over the last decade, Alternaria leaf blotch and fruit spot disease caused by Alternaria species complex has creating epidemic in all over the world. The infection begins in spring when overwintering mycelium produces conidia and infects young emerging apple leaves. Increase in temperature in combination with high rainfall and relative humidity after 90 days of blooming increases secondary infection in leaves and fruits. Various disease management strategies are availableincluding cultural, chemical, resistance and biological approach for its control. Here we review the cause, symptoms and management of the disease.