Chlorothalonil is a non-systemic broad-spectrum fungicide that has a preventive effect on fungal diseases of many crops. Chlorothalonil has control effects on various diseases such as food crops, peanuts, vegetables, melons, fruit trees and tea. It is a low-toxic fungicide and is now widely used. The best time for action is to spray the drug before or after the disease occurs, and the effect is best. Guangzhou Quanxu Technology Co Ltd , https://www.skychema.com
How to use chlorothalonil:
1. Prevention and control of rice blast disease<br> When controlling leaf mites, the field begins to spray the medicine, and sprays once every 7 days. Control the ear mites, spray each time in the rice break period and the heading stage. Use 75% chlorothalonil WP 1500-1900 g (active ingredient 1125 ~ 1425 g) per hectare, add 1050 liters of water, stir evenly.
2. Prevention and control of rice sheath blight <br> Spraying in the early stage of disease or in the period from the ear formation to the booting stage, spray the drug after 7 days, and use 75% chlorothalonil WP for each hectare. 1500 ~ 1900 grams (active ingredient 1125 ~ 1425 grams), add water 1050 liters, stir evenly spray, focus on spraying rice stems.
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 to 3 times in a row, using 75% chlorothalonil WP of 1500-1900 g per hectare (effective ingredient 1125 ~ 1425 g ), add 1050 liters of water, stir and spray evenly.
4. Prevention of flower rust, brown spot, and black spot disease<br> 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 wettable powder per hectare 1500 ~ 1800g (active ingredient 1125 ~ 1350g), or 40% Dakoning suspending agent commercial volume 1500 ~ 2250g (active ingredient 600 ~ 900g ), add 900 liters of water and stir evenly.
5. Prevention and treatment of cucumber downy mildew <br> Spraying is started before or at the beginning of the disease, and sprayed once every 7 days. Continuous spraying 3 to 4 times, each time using 75% chlorothalonil wettable powder, 2200~4000 grams (active ingredient 1650~3000 grams), or 40% Dakoning 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 smoker. In the early stage of disease, the smoke is smoked and fumigation, and the amount of 10% chlorothalonil in each greenhouse is 7500~12000g, or 20%. The amount of the smoke cleaner is 3,750 to 6,000 grams, or 30% of the bacteriostatic agent is 2,500 to 4,000 grams, or 45% of the chlorothalonil is 1667 to 2667 grams (the active ingredient is 750 to 1200 grams). It is also possible to use 5% chlorothalonil powder with a commercial quantity of 15,000 to 22,500 g (active ingredient 750 to 1125 g) to prevent and control the development of the disease.
6. Prevention and treatment of tomato early blight <br> Spraying at the beginning of the disease, spraying once every 7 to 10 days, spraying 3 to 4 times in a row, using 75% chlorothalonil or gram per hectare Ling WP powder 2200 ~ 4000 grams (active ingredients 1650 ~ 3000 grams), or 40% chlorothalonil suspending agent commercial volume 2250 ~ 2625 grams (active ingredients 900 ~ 1050 grams) plus water 1125 open, stir even spray, seedlings The hourly spray volume is reduced.
7. Prevention and treatment of black spot and downy mildew in cabbage <br> In the early stage of disease, climatic conditions are conducive to spraying when the disease occurs, spraying once every 7 to 10 days, and spraying 2 to 3 times continuously. Use 75% to 2300 g (active ingredient 1275 to 1725 g) of 75% chlorothalonil WP at each hectare, add 900 liters of water, and mix evenly.
8. Control of bean rust, gray mold and anthracnose <br> Spraying at the beginning of the disease, spraying once every 7 days, spraying 3 to 4 times in a row, 75% chlorothalonil per hectare The wettable powder has a commercial quantity of 1700 to 2300 g (active ingredient 1275 to 1725 g), and water is added at 900 liters, and evenly sprayed.
9. Prevention and control of potato late blight, early blight and gray mold disease <br> Spraying the disease before the start of the potato closure, spraying once every 7 to 10 days, the number of sprays depends on the development of the disease, Use 75% to 2300 g (active ingredient 1275 to 1725 g) of 75% chlorothalonil wettable powder per hectare, and spray evenly with 900 liters of water.
10. Prevention and control of tomato leaf mold, varigosis and anthracnose <br> Spraying at the beginning of the disease, spraying once every 7 days, the number of sprays depends on the development of the disease, each time for each hectare 75% chlorothalonil wettable powder commercial quantity of 1700 ~ 2300 grams (active ingredient 1275 ~ 1725 grams), add water 900 liters, stir evenly sprayed.
11. Prevention and control of eggplant, sweet pepper anthracnose and early blight <br> Spraying at the beginning of the disease, spraying once every 7 days, spraying 3 to 4 times continuously, using 75% bacteria per hectare The amount of WP can be 1700-2300 g (active ingredient 1275~1725 g), add 900 liters of water, stir evenly.
12. Prevention and treatment of melon downy mildew and powdery mildew <br> Spraying at the beginning of the disease, spraying once every 7 days until the disease stops developing, using 75% chlorothalonil per hectare Wet powder powder 1600 ~ 2200 grams (active ingredients 1200 ~ 1650 grams) plus water 900 liters, stir evenly sprayed.
13. Prevention and control of grape powdery mildew and black pox disease <br> Spraying in the early stage of flowering or two weeks after flowering, usually spraying once every 7 to 10 days, the number of spraying depends on the condition, each spraying The concentration is 75% chlorothalonil wettable powder 600-700 times spray.
14. Prevention and control of pear tree rust <br> Spraying each time before the flowering of pear trees (late March) and after flowering (mid-April), if necessary, spraying again two times after the second spraying. Spray 7 times with 75% chlorothalonil WP.
15. Prevention and control of apple anthracnose <br> Spraying the first medicine in the first half of June, spraying once every 15 days, spraying 4 to 5 times in a row, using 75% chlorothalonil WP 500 each time. Spray twice.
16. Prevention and treatment of citrus scab and smut disease <br> When the citrus petals fall off, start spraying, spray once every 10 to 14 days, spray 2 to 3 times in a row, 75% chlorothalonil at a time. The wet powder is sprayed 800 to 1000 times.
17. Prevention and control of tea anthracnose <br> Spraying in the germination stage of the summer and autumn tea or in the early stage of the disease, spraying once every 7 to 10 days, spraying 2 to 3 times continuously, each time using 75% The bacteria clear wettable powder is sprayed 600~800 times.