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“Agrochemicals” - include chemicals, which enhance growth and yield of crops apart from chemicals that destroys pests and diseases. Pesticides are chemicals designed to combat attacks of various pests on agricultural and horticultural crops.Classification of pesticides:
Insecticides (for the control of insects)
Fungicides (for the control of fungal pathogens)
Herbicides ( for the control of weeds)
Rodenticides (for the control of vertebrate pests)
Nematicides (to kill microscopic worms),
Molluscides (to kill slugs and snails)
Acaricides (to kill mites).
Antifeedant,- inhibit feeding
Repellent - to prevent the pest species from attacking its hosts.
Chemosterilant- induces sterility.
Algicides (for the control of algae)
Aphicides (for the control of aphids)
Besides there are other classes viz., Antibiotics, Carcinogen, Dessicants, Defoliants, Ovicide, Pheromone and Plant growth regulators
Predominant classes of pesticides used in India are insecticides, which accounted for about 57 per cent of total pesticide consumption followed by fungicides (29%) and herbicides, which constituted about 14 per cent.
Predominant classes of pesticides used in India are insecticides, which accounted for about 57 per cent of total pesticide consumption followed by fungicides (29%) and herbicides, which constituted about 14 per cent.