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First Report of Soybean Cyst Nematode Reproduction on Purple Deadnettle under Field Conditions
J. E. Creech, W. G. Johnson, J. Faghihi, V. R. Ferris, and A. Westphal
July 2005
Brief
Soybean cyst nematode commonly infests soybean fields in the United States and is a threat to profitable soybean production. Purple deadnettle is common in Indiana production fields and frequently occurs at very high densities. Purple deadnettle plants were removed from a research site infested with SCN. Peadnettle roots were found to possess cysts containing eggs. The morphology of cysts and juveniles was consistent with SCN. Based on the distribution of other cyst nematodes in Indiana, a bioassay on soybean from the field, and morphometric observations, we determined the identity of the nematode to be SCN.
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