1. Reasonable crop rotation, deep sun-throwing soil before planting, spraying with anti-virus agent in the whole garden, reducing the residual bacteria in the field, selecting disease-free and disease-resistant varieties for planting, and using new high-fat membrane seed dressing before sowing to isolate pathogen infection and repelling Underground pests.
2, timely water topdressing, balanced application of phosphorus, potash fertilizer, foliar spray vegetables strong stems, make celery rhizome thick, lush plants, enhance celery disease resistance. Strengthen the ventilation and dehumidification work in the greenhouse, which can effectively inhibit the proliferation of pathogens.
3, found the symptoms of celery spot blight, timely spraying control, in order to reduce spot blight damage, with the new high-fat membrane 800 times mixed use to consolidate the prevention and control effect, protect celery growth.
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