ABSTRACT
Onion is an important vegetable crop worldwide and has been used as food since time immemorial. It is used for flavoring or seasoning the food, both at mature and immature bulb stages, besides being used as salad and pickle. To a lesser extent, it is used by the processing industry for dehydration in the form of onion flakes and powder, which are in great demand in the world market. It is one of the few versatile vegetable crops that can be kept for a fairly long pe riod and can safely withstand the hazards of rough handling including long distance transport.
