In olden days, natural agricultural methods were followed, so the problem of insects worms and diseases was not there. Now in modern agricultural methods high doses of chemical fertilizers and pesticides are using, so the problem of insects and diseases is more or high. Let us discuss know learn about different types of harmful insects and dangerous stages in their life cycles controlling methods. – Harmful insects that attack crops dangerous stages in their life cycles control. – – S. The stage that Name of the Insect Loss they attack Control measures No. cause damage Neemastram, Cotton, Bengal gram Brahmastram, Agniastram, red, gram chilli, Holes to unripe fruits (buld) As a precaution once in 15 1 Pacha Purugu (Tel) Larva 20 days groundnuts, corn, buds. days spray dung urine maize, Tomato, solution and neemastram Sunflower. alternatively. Eats a way tender leaves stem, Talanatta Purugu Cotton, Lady’s finger, 2. Larva 15 days so plants drop head and buds, Same as above (Tel) brinjal cron, maize. boss (tender fruit) fell down. Damage the crops by eating Pogaku leaves. Day time they hide Caster, ground nut, 3. Larva 20 days Same as above Purugu (Tel) themselves in earth and attack cotton at night.
In olden days, natural agricultural methods were followed, so the problem of insects worms and diseases was not there. Now in modern agricultural methods high doses of chemical fertilizers and pesticides are using, so the problem of insects and diseases is more or high. Let us discuss know learn about different types of harmful insects and dangerous stages in their life cycles – controlling methods. Harmful insects that attack crops – dangerous stages in their life cycles – control. S. No. Name of the Insect The stage that cause damage Loss they attack Control measures 1 Pacha Purugu (Tel) Larva 20 days Holes to unripe fruits (buld) buds. Cotton, Bengal gram red, gram chilli, groundnuts, corn, maize, Tomato, Sunflower. Neemastram, Brahmastram, Agniastram, As a precaution once in 15 days spray dung urine solution and neemastram alternatively. 2. Talanatta Purugu (Tel) Larva 15 days Eats a way tender leaves stem, so plants drop head and buds, boss (tender fruit) fell down. Cotton, Lady’s finger, brinjal cron, maize. Same as above 3. Pogaku Purugu (Tel) Larva 20 days Damage the crops by eating leaves. Day time they hide themselves in earth and attack at night. Caster, ground nut, cotton Same as above
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