Collar Rot in Tobacco Greenhouses
TB06 - Tobacco Disease Note 6
W. A. Gutierrez,  H. D. Shew, and T. A. Melton 

Signs and Symptoms

Figure 11 (left) Collar rot on tobacco showing different symptoms and pathogen structures. Figure 12 (right)  Sclerotia on stem of infected plants will ensure the presence of inoculum of the pathogen for the next season.

For assistance with a specific problem, contact your local North Carolina Cooperative Extension Service

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.

Revised July 2001 by Plant Disease and Insect Clinic