Collar Rot in Tobacco Greenhouses
TB06 - Tobacco Disease Note No. 6
W. A. Gutierrez,  H. D. Shew, and T. A. Melton 

 

Symptoms in greenhouses

Figure 3 (left) Initial infection on lower leaves, water soaking symptoms on stems, and a white mycelium on the surface of infected tissues and the tray. Figure 4 (right) Focus continues to expand favored by high moisture.


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Reformatted Jan '00 by Plant Disease and Insect Clinic