Chlorothalonil is a broad-spectrum, protective fungicide with no systemic conduction. However, after spraying onto plants, it has good adhesion on the body surface and is not easily washed away by rain. Therefore, the efficacy period is longer. Therefore, chlorothalonil is widely used in fruits and vegetables and field crops. How to use chlorothalonil in fruits and vegetables and field crops? Let's take a look.
How to use chlorothalonil on fruits and vegetables and field crops
1. Control of rice blast
When controlling the leafhoppers, the field began to spray the medicine, and sprayed again every 7 days. Control the ear mites, spray each time in the rice break period and the heading stage. Use 75% chlorothalonil WP 1500~1900g (active ingredient 1125~1425g) per hectare, add 1050 liters of water, stir evenly.
2. Prevention and control of rice sheath blight
In the early stage of the disease or in the period from the ear to the booting stage to the booting stage, spray the drug every 7 days, and use 75% chlorothalonil WP 1500-1900 g per hectare (active ingredient 1125~1425 g) Add 1050 liters of water, stir evenly, and focus on spraying the stems of rice.
3. Prevention and control of wheat leaf rust and leaf spot
Spraying at the beginning of the disease, spraying once every 7 days, spraying 2~3 times in a row, using 75% chlorothalonil WP of 1500~1900 g per hectare (active ingredient 1125~1425g) ), add 1050 liters of water, stir and spray evenly.
4. Control of flower rust, brown spot, and black spot
Spraying at the beginning of the disease, spraying once every 7 to 10 days, spraying 2 to 3 times in a row. Depending on the growth period and disease development of peanuts, it is decided whether to apply the medicine. Use 75% chlorothalonil WP 1500~1800g (active ingredient 1125~1350g) per hectare, or use 1500~2250g 40% Dakoning suspension (active ingredient 600~900g) ), add 900 liters of water and stir evenly.
5. Prevention and treatment of cucumber downy mildew
Spray before the disease occurs or at the beginning, and spray once every 7 days. Continuous spraying 3~4 times, each time using 75% chlorothalonil wettable powder, 2200~4000g (active ingredient 1650~3000g), or 40% Dakening suspension or 40% bacteria The amount of detergent agent is 2250~2625g (active ingredient 900~1050g), add 1125 liters of water, stir evenly spray, and reduce the amount of spray of cucumber seedlings. The prevention and control of cucumber downy mildew in greenhouse can be controlled by chlorothalonil smog. In the early stage of disease, the smoke is smoked and fumigation, and the amount of 10% chlorothalonil is 10500~12000g or 20% bacilli per hectare per hectare. The amount of smoke cleaner is 3750~6000g, or 30% bactericidal smoker is 2500~4000g, or 45% chlorothalonil is 1667~2667g (active ingredient 750~1200g). It is also possible to use 5% chlorothalonil powder with a commercial quantity of 15000~22500g (active ingredient 750~1125g) to prevent and control the disease.
6. Prevention and treatment of tomato early blight
Spraying at the beginning of the disease, spraying once every 7~10 days, spraying 3~4 times continuously, using 75% chlorothalonil or Dakeling WP for 2200~4000g per hectare. (Active ingredient 1650~3000g), or 40% chlorothalonil suspending agent product volume 2250~2625g (active ingredient 900~1050g) Add water 1125 open, stir even spray, seedling hour spray volume is reduced.
7. Prevention and treatment of black spot and downy mildew in cabbage
In the early stage of the disease, the climatic conditions are favorable for spraying when the disease occurs, spraying once every 7~10 days, spraying 2~3 times continuously, and using 75% chlorothalonil WP for each hectare. 1700~2300g (active ingredient 1275~1725g), add 900 liters of water, stir evenly.
8. Prevention and control of bean rust, gray mold and anthracnose
Spraying at the beginning of the disease, spraying once every 7 days, spraying 3~4 times continuously, each time 75% of chlorothalonil wettable powder per hectare is 1700~2300g (active ingredient 1275~1725g) ), add 900 liters of water, stir and spray evenly.
9. Prevention and control of potato late blight, early blight and gray mold
Spraying the medicine before the start of the potato closure, spraying once every 7~10 days, the number of spraying depends on the development of the disease, and the amount of 75% chlorothalonil wettable powder per hectare is 1700~ 2300 g (active ingredient 1275~1725 g), add 900 liters of water and stir evenly.
10. Control of tomato leaf mold, varicose disease and anthracnose
Spraying at the beginning of the disease, spraying once every 7 days, the number of sprays depends on the development of the disease, with 75% chlorothalonil wettable powder per hectare, 1700~2300 grams (active ingredient 1275) ~1725 g), add 900 liters of water, stir evenly.
11. Prevention and treatment of anthracnose and early blight of eggplant, sweet pepper
Spraying at the beginning of the disease, spraying once every 7 days, spraying 3 to 4 times in a row, using 75% chlorothalonil WP of 1700~2300 grams per hectare (active ingredient 1275~1725) g), add 900 liters of water, stir evenly.
12. Prevention and treatment of melon downy mildew and powdery mildew
Spraying at the beginning of the disease, spraying once every 7 days until the disease stops developing, using 75% chlorothalonil wettable powder per hectare, 1600~2200g (active ingredient 1200~1650g) Add 900 liters of water and mix evenly.
13. Prevention and treatment of grape powdery mildew and black pox
Spraying is started in the early stage of the onset of the leaves or two weeks after flowering. Generally, the spray is sprayed once every 7~10 days. The number of sprays depends on the condition, and the spray concentration is 75% chlorothalonil WP 600-700 times. spray.
14. Prevention and control of pear rust
Spray before the flowering of the pear tree (in late March) and after flowering (in mid-April). If necessary, spray the drug once every two weeks after the second spraying. 75% chlorothalonil WP can be used each time. The powder is sprayed 500 times.
15. Prevention and control of apple anthracnose
In the first half of June, the first drug was sprayed, sprayed once every 15 days, and sprayed 4 to 5 times continuously, each time with 75% chlorothalonil WP 500 times.
16. Prevention and treatment of citrus scab and smut disease
Spraying is started when the citrus petals fall off, spraying once every 10~14 days, spraying 2~3 times continuously, and spraying with 75% chlorothalonil wettable powder 800~1000 times each time.
17. Prevention and control of tea anthracnose
Spraying in the germination stage of the summer and autumn tea or in the early stage of the disease, spraying once every 7~10 days, spraying 2~3 times continuously, using 75% chlorothalonil WP 600~800 times each time. Liquid spray.
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