Western corn rootworm - PowerPoint PPT Presentation

Corn Rootworm Management: Situation, Issues, and Options

Corn Rootworm Management: Situation, Issues, and Options. Distance Education Workshop February 4 and 11, 2005. Overview of the Program February 4, 2005. Corn rootworm fundamentals Biology Effects of weather on corn rootworm biology and performance of rootworm-control products

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638 views • 31 slides

armyworm

armyworm. b rown spot. brown stem rot. common rust . g ray leaf spot. Japanese beetle. m anganese d eficiency. n orthern corn leaf blight. n itrogen d eficiency. p hosphorous d eficiency. potassium deficiency. soybean aphid. sudden death syndrome. western corn rootworm

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366 views • 16 slides

Western corn rootworm

Western corn rootworm. Eggs hatch mid- to late-May Small larvae prune root hairs Large larvae tunnel roots Heavy feeding will reduce root mass Confined to corn after corn Unlike Southern corn rootworm. Southern corn rootworm. Other Factors Affecting Abundance. Moist Soil

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193 views • 5 slides

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