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Winter Cover Crops Reduce Bacterial Wilt of Flue-cured Tobacco

K. L. Ong, B. A. Fortnum, D. A. Kluepfel, and M. B. Riley

May 2007


The lack of suitable land for crop rotation and increased area of production on farms has resulted in shorter rotations and increased losses due to bacterial wilt. Cover crops are rarely grown immediately before a tobacco crop because soil fumigation for nematode control necessitates early destruction of the cover crop. The microbial activity associated with growing winter cover crops may alter populations of R. solanacearum. This field study evaluated vetch, canola, or rye winter cover crops for suppression of bacterial wilt.


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