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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Published by North Carolina Cooperative Extension Service
Distributed in furtherance of the Acts of Congress of May 8 and June 30, 1914. Employment and program opportunities are offered to all people regardless of race, color, national origin, sex, age, or disability. North Carolina State University at Raleigh, North Carolina A&T State University, U.S. Department of Agriculture, and local governments cooperating.

Reformatted Jan '00 by Plant Disease and Insect Clinic