18 Aug Eco-friendly management of insect pests of Cole crops
गोभी फसलों के कीट पतंगों का पर्यावरण-अनुकूल प्रबंधन Cole crops are cultivated extensively in tropical and temperate regions of the world including India. The chief constraint in the production of cole crops is the damage caused by pest complex right from germination till harvest. In India, a total of 37 insect pests have been recorded on cole crops (Lal, 1975). The extent of damage due to these pests in India is known from 7 to 90 per cent with consequent reduction in yield from 20 to 80 per cent (Prasad, 1963). Since cole crops are highly remunerative, intensive plant protection measures involving a number of insecticides are common. In spite of large...