The Review on Medicinal uses of Neem

Abstract

The present review paper focused on the control of plant diseases by using neem kernel extract. For so many years farmers are using neem extract for the control of pests and diseases in plants in Atharvaveda they stated that neem effectively works on the control of diseases. It was controlled by many seed-borne and soil-borne pathogens. It was effectively works on control of early blight and wilt of tomatoes and seed-borne diseases of cowpea. Powdery mildew disease can be controlled by using neem kernel extract. The Neem has many medicinal properties in Ayurveda (the ancient book of medicine) which states neem as Kalpa vriksha. The aqueous extract of neem and oil has shown that it is effective on controlling soil-borne pathogens like Fusarium oxysporum (f.sp,ciceri), Alternaria solani, Sclerotium roofs, wilt and rot in gram. The Neem tree (Azadirachta indica) has been known as the wonder tree for centuries in the Indian subcontinent. It has become important in the global context today because it offers answers to the major concerns facing mankind. Neem (Azadirachta indica) is considered harmless to humans, animals, birds, beneficial insects and earthworms, and has been approved by the US Environmental Protection Agency for use on food crops. Azadirachtin and other active ingredients in the neem seed have insecticidal properties that are effective against a broad spectrum of insects, many mites and nematodes, and even snails and fungi, and do not seem to generate resistance in the pests they affects.