Plant Diseases

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  ISU Extension field crop specialists

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  Brown stem rot vs. sudden death syndrome

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  Brown stem rot

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  Soybean root with blue masses of the SDS fungus

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  Foliar symptoms of sudden death syndrome

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  Soybean seedling blight

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  Red lesions on soybean roots

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  SCN-resistant Soybean Variety Trial Program sites

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  Soybean variety trial data

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  Distribution of soybean rust in August

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  Soybean rust distribution 2005-2006

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  Soybean rust

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  Damped off corn

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  Lesion nematodes

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  Disease triangle

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  Aspergillus ear rot

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  Diplodia ear rot

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  Gibberella ear rot