Plant Products for the Management of Onion Leaf Blight Disease

Plant Products for the Management of Onion Leaf Blight Disease

Onion, Plant Products, Leaf Blight Disease

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Onion (Allium cepa var. aggregatum L.) once considered as the poor man's staple spice, is flying out of the reach of even middle class families.. Onion is affected by various plant pathogens of which leaf blight was reported to be one of the major diseases in India and it causes severe yield loss. It is caused by Alternaria alternata and it destructs the leaf tissue which destroys the stimulus for bulb initiation and delay for bulbing and maturation. Modern agriculture is highly dependent on chemical pesticides. However, the repeated use of such chemicals may result in the environmental pollut...