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Symptoms of sudden death syndrome on soybean plants. Note the presence of root discoloration and decay.
Fabrício Ávila Rodrigues and José Cupertino Pinheiro
Viçosa Federal University, Department of Plant Pathology
Email: fabricio@ufv.br
Host: Soybean, (Glycine max (L.) Merrill)
Disease name: Sudden death syndrome
Pathogen name: Fusarium solani (Mart.) Sacc. f. sp. glycines
Sudden death syndrome (SDS) is one of the most important fungal diseases affecting soybean production in Brazil. This disease is caused by slow-growing blue-colored strains of Fusarium solani f. sp. glycines. The fungus produces macroconidia on infected roots below the soil surface. Soybean plants with SDS have substantial amounts of root decay and discoloration of roots and crown.
APS publication number: IW000068
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