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Mythimna separata

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Santhosh Kumar 23/11/2023
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Mythimna separata mind map Severe pest infestation in Assam Affected approximately 28,000 hectares of paddy crops Across at least 15 districts Crops on verge of maturity and ready for harvest Fell victim to Mythimna separata Known as ear head cutting caterpillar, rice ear-cutting caterpillar, or armyworm Pest Behavior and Impact Mythimna separata Feeds on leaves, cuts off panicles at base of crop plants Leaves fields resembling areas grazed by livestock Rapid multiplication during outbreak Forming swarms, moving from field to field Climate Change Connection Increased temperatures and dry conditions Favorable for rapid proliferation of pest populations Temperatures in seven districts above normal In Guwahati, maximum temperature 31.4 degrees Celsius 4.5 degrees above normal average Global Climate Change Impact on Pests Warming world influences spread and behavior of pests and diseases 2017 study highlighted Small rises in global temperatures Lead to reduction in insect lifecycle Higher pest populations, increased generations Expanded geographical range, extended development season Assam’s Crop Catastrophe and Future Concerns Reports of damage by ear head cutting caterpillar since 2016 Current infestation unprecedented in scale and timing Attack occurred at final stage of crop development Leaving no room for recovery Farmers across half of state suffered substantial losses

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Categories: Agriculture Issues in India, Species
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