Pythium Root Rot of Flue-Cured Tobacco Seedlings Produced in Greenhouses: Factors Associated with its Occurrence and Chemical Control

Fig. 3. Effect of Pythium species on the incidence of root rot of tobacco seedlings (A), percentage of usable seedlings (B), stem length (C), and root length (D). P.d. = P. dissotocum, P.m. = P. myriotylum, P.i. = P. irregulare, P.s. = P. spinosum, and P.v. = P. volutum. Means followed by the same letter are not significantly different according to Fisher’s least significant difference (LSD), P ≤ 0.05.



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Pythium Root Rot of Flue-Cured Tobacco Seedlings Produced in Greenhouses: Factors Associated with its Occurrence and Chemical Control