Orchid fungicides

5% myclozole EC, high efficiency, low toxicity, broad spectrum, long effect, safety, spray once every two weeks, 1500-20O0 double liquid.

75% chlorothalonil wettable powder, 600ml 800 times liquid, sprayed once every ten days.

Triadimefon, also known as triadimefon, mixed with Dyson zinc, 60O-800 doubling solution, sprayed once every ten days.

The above agents are effective in the treatment of orchid anthracnose, leaf spot, Fusarium wilt, powdery mildew, white silk disease and so on.

25% virus kill king, 5% bacterial detergent, not only can inhibit and kill the above bacteria, but also have curative effect on some viruses, such as mosaic disease, virus disease and so on. 400 Mel 60O liquid is sprayed once every seven to ten days.

The mixture of penicillin, streptomycin and virulent injection not only has bactericidal effect, but also has the effect of inhibiting and killing virus. Each bottle of injection is sprayed according to 20O0 doubling water, once every five days.

All the above drugs must be sprayed three times in a row as a course of treatment.

No matter what kind of medicine is used, when the temperature is high in summer and autumn, choose to spray it in the morning or evening on a sunny day, and avoid spraying with high temperature at noon, so as not to hurt the leaves. Choose to spray in winter and spring when the temperature is relatively high at noon on a sunny day. Insecticides can effectively penetrate into insects, bacteria and viruses, and are easily absorbed by orchid leaves to achieve the purpose of prevention and control effectively. When applying pesticide, it should be carried out in the basin soil than usual, the basin is too wet, the efficacy is poor, avoid applying medicine on rainy days. (Chen Jisheng)