Scientific allocation of Familia, pest control and safety

Fumei 胂 is a fungicide containing organic arsenic. It can be used to control pests and diseases of various plants. It is moderately toxic and has certain damage to the human body. Therefore, when using it, it is necessary to pay attention to the method and scientific arrangement of the concentration of thiram, below. Just follow the small series to find out.

(1) Prevention and treatment of diseases of wheat, cucumber, apple, grape and hawthorn:

1 spray with 40% wettable powder or suspension 600-800 times, can control cucumber powdery mildew, downy mildew, apple anthracnose.

2 spray with 500-700 times liquid to control wheat powdery mildew, grape white rot, apple dry rot.

3 spray with 400-600 times liquid to prevent apple powdery mildew.

4 The hawthorn tree is sprayed with 100 times liquid before germination, which can prevent and cure the hawthorn disease.

(2) Prevention and control of apple tree rot: use 40% wettable powder or suspending agent 50 times solution, add 2% flat and mix evenly, and prepare into flattening liquid (Pingping plus is a penetrant, which can increase Fukumi The ability to infiltrate fruit trees to improve efficacy). When using, first use the knife to scrape off the diseased part, reveal a good skin, cut into a fusiform shape, or use a sharp knife to cut the strip vertically in the diseased part, the strip width is 0.5 cm, deep into the xylem, and cut around the diseased part for 1 week. Then apply a flattening solution with a brush; apply it once more after 1 week.

(3) Prevention and control of soybean gray spot disease: 1 part of 40% wettable powder and 5 parts of fine sand are mixed to form toxic soil, and 15 kg of poisonous soil per acre is used in the early stage of the disease.

More pesticide knowledge, please pay attention to China Pesticide Network