Control of Orchid Diseases by potassium permanganate

Potassium permanganate is a purple chemical drug, which is very cheap and has strong disinfection and germicidal effect. Potassium permanganate is soluble in water and does not contain toxin. it has a significant effect on the control of leaf spot, soft rot and downy mildew of many kinds of flowers and trees. Some flower farm workers report that using it to treat flowers can be equivalent to the effect of pesticides such as chlorothalonil and Zinc Dyson. The usage can use 0.3% to 0.5 potassium permanganate solution to soak newly purchased orchid seedlings or transplant orchid seedlings in pots, which has the effect of sterilization and disease prevention, and the above solution can also be used to spray orchid leaves in spring and summer to prevent disease.