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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