Know the control methods of edible fungus diseases, the occurrence and control of bacterial soft rot of Cymbidium.

Magnolia has an elegant and exquisite appearance, which is deeply loved by scholars at all times and all over the world. Cymbidium is a plant that is easy to survive, but it will inevitably "get sick." here are the occurrence and control methods of bacterial soft rot of Cymbidium.

Symptoms: bacterial soft rot of Cymbidium often occurs on the middle and lower leaves of Cymbidium. The disease spot is yellow-green and transparent at first, then it turns brown and soft rot, the disease spot is irregular, and the boundary of healthy tissue is clear. There is bacterial overflow at the edge of the lesion, dry and sunken in the later stage, and the whole leaf falls off when it is serious.

Occurrence regularity: the pathogen of bacterial soft rot of Cymbidium is a subspecies of Euclidean black rot. The pathogen overwintered on the host disease residue and plant debris, mostly infected from the wound, and occurred more seriously when it was damaged by high temperature, high humidity and scale insects.

Prevention and control methods: 1. Controlling soil moisture, ventilating and cooling, controlling scale insects and reducing mechanical wounds; 2. After the onset of the disease, you can use 15% agricultural streptomycin wettable powder 500 times liquid or 20% thiazolone (Longke bacteria) wettable powder 600 times liquid spray, once a week, 2 times a week for 3 times.