The rotten root of celery is mainly caused by longitudinal cracks at the base of the petiole, and then soft rot. At first, it showed water-soaked lesions on the petioles, and the lesions expanded and rotted and gave off a foul smell. The outer leaves of the diseased plant are wilting, and the leaves are yellow.
Control measures: Disinfect the soil before planting, and use 2 to 3 kilograms of borax per acre as base fertilizer before planting. During the growth period, spray the new high-lipid film + 0.2% borax solution, and timely use the roots to water the roots, which can induce virus buildup, provide targeted disinfection by the tree generals, inhibit virus-conducted infection of roots and leaves, and maintain The plant transport system works healthily.
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