Collar
Rot in Tobacco Greenhouses TB06 - Tobacco Disease Note 6
W. A. Gutierrez, H. D. Shew, and T. A. Melton
Factors
that affect infection of collar rot
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 |
| Figure
13. Debris left on seedlings after clipping could be the point of
initial infection for collar rot. Figure 14. Debris is a natural nutrient source for Sclerotinia sclerotiorum ascospores. The debris provide enough nutrients for ascospores to germinate and initiate infection of seedlings. |
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Reformatted July 2001 by Plant Disease and Insect Clinic