Orchid fungicide-- Didi mixture

Also known as Didi mixture, DD mixture or dripping agent. It's organochlorine nematodes. The industrial product is a yellowish brown greenish oily liquid with a bad smell of garlic, insoluble in water and soluble in organic solvents. In the case of metal or strong acid and strong alkali, it will decompose and fail, and it will be highly toxic to human beings and animals. It also has certain drug damage to plants and can not be used during plant growth. It can only be planted after the liquid of traditional Chinese medicine in the cultivation substrate has been diffused and volatilized for half a month.

Dosage form: 50% Didi mixed emulsion

Control objects and methods: it is mainly used to control nematodes, golden needle worms, glossy worms, etc., and has a certain control effect on soil-borne diseases.

If orchids planted in the field are used for soil treatment, 30~40kg per mu (667m2) and 15cm per mu of ditch depth can also be applied. The most suitable soil temperature for application is 21 ~ 27C, and the effect is poor when the soil temperature is lower than 10 degrees. The most suitable soil moisture is 5%-25%. It is not good to be too wet. It will not be planted until 7-14 days after application.

Note:

1. This agent has contact toxic effect. If the liquid adheres to the skin, it should be washed with soapy water immediately.

2. The utensils after use should be washed with kerosene to avoid corrosion.

3. This agent should stay away from the source of fire, avoid the sun, in case of fire. (Liu Zhongjian)