Soft rot of orchids

If the water droplets stay on the leaves for too long, it is easy to cause bacterial or fungal infection, and cause local corruption, if not controlled, the scope of corruption will become wider and wider, resulting in plant death. Therefore, special care should be taken when watering, do not remain stagnant water in the central part of the leaves, and should maintain ventilation, which is conducive to the evaporation of water droplets on the leaves.

Prevention and control methods: ① to strengthen fertilizer and water management, enhance the tree potential. ② cut off the diseased branches and cleared the source of infection. ③ prevents people and animals from damaging branches and bark and reduces wounds. ④ winter trunk white protection. ⑤ scraped off the diseased bark in early April and mid-June and applied 10-fold solution of sodium carbonate once respectively, and the cure rate was 96%. It can also be painted with 50% carbendazim or 50% thiophanate 400-500 times, or 5% Baumedo stone sulfur mixture, or 50% Dysenamine 500 times solution. The scraped bark should be centrally burned.