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Neem (Azadirachta indica A. Juss), the versatile tree, having many good and useful qualities. Neem is indigenous to India from where it has spread to many Asian and African countries. The earliest authentic record of its medicinal use is available in Arthashashtra of Kautilya in 4 century B.C. For centuries, the tree has been held in esteem, because of its medicinal and insecticidal values. Chemical pesticides, normally, gave good account in its early state but ...
Agricultural crops suffers a collosal loss due to ravages of insects and diseases thus causing a serious threat to our agricultural production. The insects and diseases cause over Rs. 29000 crores crops loss per annum and Helicoverpa insect alone cause losses around Rs. 35,00 crores. This situation has been caused by indiscriminate use of synthetic poisonous chemicals resulting in development of resistance problem among insects to insecticides, residue hazards of ...