How to treat cactus disease

Cactus is a variety of cactus in the family Opuntia. It was introduced in China at the end of the Ming Dynasty and is commonly cultivated in the southern coastal areas. So, how to treat the cactus when it encounters a disease?

How to treat the disease of cactus

There are different treatments for different diseases of cactus. For example, cactus anthracnose can disinfect the soil with 1% formalin; spray with 1000 times of topiramine; cactus rot should be removed, coated with a little sulfur powder; and sprayed with carbendazim.

1. Treatment of soft rot of cactus.

Apply 5000-8000 fold streptomycin solution (for bacterial infections); spray with 50% carbendazim 500x solution (for fungal infections); spray with 70% topiramate 800x solution (for fungal infections)

2. Cactus blight

Dig out the disease spot in time, and then apply charcoal powder (or plant ash) to facilitate wound healing as soon as possible. Regularly spray 60% ethyl phosphine aluminum 500 times solution, 64% poison alum 500 times solution, spray once every 7 to 10 days, continuous prevention and control for 4 times.

II. Pest control of cactus

Red spiders should mainly be defensive, maintain a certain degree of ventilation and humidity to avoid muggy and dry. The commonly used drug is omethoate. Dicofol, etc., should be sprayed once before overwintering. The prevention of shell insects should be given priority to, because there are waxy shells on the scale insects, so it is difficult to treat them with medicine. when shell insects are found, bamboo can be scraped off in time. Commonly used drugs are malathion, imidathion EC and so on. When the emergence of cabbage insects, locusts commonly used drugs are deltamethrin spray.