Need of Herbal pesticides.

Much of the food we eat contains pesticide residues. Nobody knows what the build-up of poison over time does to our bodies nor has the effect on babies and children been calculated. What we do know is that many of these pesticides can cause cancer or have other adverse effects on animals, humans and the environment. Developed countries are lowering the maximum permissible limits of pesticide residue. Once WTO specifications of food grade quality come in, exports from India will collapse if such excessive
amounts of pesticide are used. Another major disadvantages associated with chemical pesticides are development of pesticide resistance.
Repeated use of the same class of pesticides to control a pest can cause undesirable changes in the gene pool of a pest leading to another form of artificial selection, pesticide resistance.

Multiple resistance- resistance to more than one pesticide and to pesticide in more than one chemical class- is increasing rapidly. There are over 1,000 insects/ insecticide resistance combinations, and at least 17 species of insects that are resistant to all major classes of insecticides.

Herbal pesticides are :-