This may be a root rot caused by the infestation of Phytophthora, causing its roots to become black and brown at the apex and its upper part. The cortex is not perfect, and the central column is red-brown, causing the plant to yellow, shrink, and even die. Generally, in continuous cropping, low-lying land and too much irrigation can easily occur. Pharmacological prevention and treatment of the disease, the disease should be in the initial stage of the disease, the use of new high-fat membrane 400 times, 58% metalaxyl manganese or 600 times the anti-virus where liquid, and then general tree nurse root irrigation, disinfection and sterilization. Interval 7 to 10 days once, severe illness can be once in five days, once every 3 to 4 times. In addition, Verticillium wilt and blight may occur in the roots of strawberry plants, as well as the rooting phenomenon at the seedling stage, and symptomatic control measures should be effective.
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