Damping Off Symptoms
Rhizoctonia Diseases in Tobacco Greenhouses

Figure 1 (left). Young seedlings are the most susceptible. This disease is caused by the lethal AG4 strain of Rhizoctonia solani.
Figure 2 (right).  Infection starts on a single plant and easily spreads toward adjacent seedlings.  Characteristic brown coloration of infected seedlings are easily observed.

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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.