Pentachloronitrobenzene, an orchid fungicide
Also known as soil powder, industrial products are yellowish gray-white powder, odorless and tasteless, insoluble in water, slightly soluble in ethanol, easily soluble in carbon disulfide, chloroform, benzene, kerosene and other organic solvents. The chemical property is stable, not easy to volatilize, and is not affected by sunlight, temperature, acidity and alkalinity. It has a long residual period in soil, low toxicity to humans and animals, and low toxicity to fish. It is mainly used for seedling disinfection and soil treatment. It has the best germicidal effect on Sclerotinia sclerotiorum and Sclerotinia sclerotiorum.
Dosage form: 70% and 75% pentachloronitrobenzene powder.
Usage: use 70% pentachloronitrobenzene powder 1.5~2.5kg per mu, strip applied in the sowing border, can be turned into the soil and mixed well, or per square meter seedling bed with pentachloronitrobenzene 4G, thiram 4G (or thiram 5g, or Dysen zinc 5g) and then mix with fine soil 10~15kg.
Note:
1. The preparation of poisonous soil must be as uniform as possible.
2. Do not pollute food and feed crops. (Liu Zhongjian)
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