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Occurrence and Control of Stem Base Rot in Schisandra
Stem base rot in Schisandra can cause the stem base of the plant to rot, the root bark to fall off, and eventually the entire plant to die. With the expansion of cultivated area, the occurrence of stem base rot in Schisandra has shown an upward trend. The general incidence rate is 2%-40%, and in severe cases it exceeds 70%, making it a devastating disease. 1. Disease symptoms Stem base rot occurs on Schisandra of all ages, with 1-3 year old plants being the most severely affected. The disease starts from the stem base or the junction of root and stem. In the early stage of the disease, the leaves wilt and droop as if lacking water, but cannot recover,