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.
Now introduce its use:
1. Prevention and control of rice blast disease When leaf lice are seen, 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 In the early stage of disease or in the period from the ear-forming stage to the booting stage, spray the drug after 7 days, and use 75% chlorothalonil WP 1500-1900 per hectare. Gram (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 disease At the beginning of the disease, spraying is started, spraying once every 7 days, spraying 2 to 3 times continuously, and using 75% chlorothalonil WP for each hectare. 1500 ~ 1900 grams (effect composition 1125 ~ 1425 grams), add 1050 liters of water, stir evenly sprayed.
4. Control of flower rust, brown spot, and black spot disease. Spraying at the beginning of the disease, spraying once every 7 to 10 days, continuous spraying
2 to 3 times. Depending on the growth period and disease development of peanuts, it is decided whether to apply the medicine. 75% chlorothalonil wettable powder per hectare, 1500 ~ 1800 grams (active ingredient 1125 ~ 1350)
g), or use 40% Dakonin suspending agent commercial volume of 1500 ~ 2250 grams (active ingredient 600 ~ 900 grams), add 900 liters of water to stir evenly spray.
5. Prevention and treatment of cucumber downy mildew The spraying is started before or at the beginning of the disease, and the spraying is performed 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 Buoyant suspending agent
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 smoke cleaner is 3,750 to 6000 grams, or
30% chlorothalonil smoked product volume of 2500 ~ 4000 grams, or 45% chlorothalonil smoked product volume of 1667 ~ 2667 grams (active ingredients 750 ~ 1200 grams) ignited fumigation. 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 begins in the early stage of the disease, spraying once every 7 to 10 days, spraying 3 to 4 times in a row, using 75% chlorothalonil or Dakeling wettability per hectare. Powder product volume 2200 ~ 4000 grams (active ingredients 1650 ~ 3000 grams), or 40% chlorothalonil suspension drug volume 2250 ~ 2625
Gram (active ingredient 900 ~ 1050 grams) plus water 1125 open, stir even spray, seedlings spray volume is reduced.
7. Prevention and treatment of black spot and downy mildew in cabbage In the early stage of disease, climatic conditions are conducive to spraying when the disease occurs, spraying once every 7 to 10 days, spraying 2 to 3 times continuously, each time For hectares, use 75% chlorothalonil wettable powder, the commercial quantity is 1700-2300 g (active ingredient 1275~1725 g), add 900 liters of water, stir and spray evenly.
8. Prevention and control of bean rust, gray mold and anthrax in the early stage of the disease, spraying once every 7 days, spraying 3 to 4 times in a row, 75% chlorothalonil WP per hectare The quantity of the product is 1,700-2,300 g (the active ingredient is 1275 to 1725 g), and 900 liters of water is added, and the mixture is evenly sprayed.
9. Prevention and control of potato late blight, early blight and gray mold. Spray the medicine when the disease begins to occur before the potato seals. Spray once every 7 to 10 days. The number of sprays depends on the development of the disease, each time. For hectares, use 75% chlorothalonil wettable powder, the commercial quantity is 1700-2300 g (active ingredient 1275~1725 g), and add 900 liters of water to mix and spray evenly.
10. Prevention and control of tomato leaf mold, varigated disease and anthracnose begins in the early stage of the disease, and sprays once every 7 days. The number of sprays depends on the development of the disease, with 75% per hectare. The amount of fungic WP can be 1700-2300 g (active ingredient 1275~1725 g), add 900 liters of water, stir evenly.
11. Prevention and treatment of eggplant, sweet pepper anthracnose and early blight in the early stage of the disease, spraying once every 7 days, spraying 3 to 4 times continuously, with 75% chlorothalonil wettability per hectare The amount of powder is 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. Spraying at the beginning of the disease, spraying once every 7 days until the disease stops developing, using 75% chlorothalonil WP for each hectare. The amount of 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 In the early stage of the onset of the leaves or two weeks after the flowering, the spraying is usually carried out every 7 to 10 days. The number of spraying depends on the condition, and the spraying concentration is 75. % chlorothalonil wettable powder is sprayed 600 to 700 times.
14. Prevention and control of pear rust in the pear tree before flowering (late March) and after flowering (mid-April), spray once every two weeks after the second spray, if necessary, spray once every two weeks, each time available 75% chlorothalonil WP can be sprayed 500 times.
15. Prevention and treatment of apple anthracnose began spraying the first drug in early June, spraying once every 15 days, spraying 4 to 5 times in a row, and spraying with 75% chlorothalonil WP 500 times each time.
16. Prevention and control of citrus scab and smut disease begins to spray when the citrus petals fall off, spray once every 10 to 14 days, spray 2 to 3 times continuously, and use 75% chlorothalonil WP 800 each time. ~ 1000 times spray.
17. Prevention and control of tea anthracnose begins in the germination stage of summer or autumn tea or in the early stage of disease, spraying once every 7 to 10 days, spraying 2 to 3 times continuously, using 75% chlorothalonil every time. Wet powder is sprayed 600~800 times.
Now introduce its use:
1. Prevention and control of rice blast disease When leaf lice are seen, 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 In the early stage of disease or in the period from the ear-forming stage to the booting stage, spray the drug after 7 days, and use 75% chlorothalonil WP 1500-1900 per hectare. Gram (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 disease At the beginning of the disease, spraying is started, spraying once every 7 days, spraying 2 to 3 times continuously, and using 75% chlorothalonil WP for each hectare. 1500 ~ 1900 grams (effect composition 1125 ~ 1425 grams), add 1050 liters of water, stir evenly sprayed.
4. Control of flower rust, brown spot, and black spot disease. Spraying at the beginning of the disease, spraying once every 7 to 10 days, continuous spraying
2 to 3 times. Depending on the growth period and disease development of peanuts, it is decided whether to apply the medicine. 75% chlorothalonil wettable powder per hectare, 1500 ~ 1800 grams (active ingredient 1125 ~ 1350)
g), or use 40% Dakonin suspending agent commercial volume of 1500 ~ 2250 grams (active ingredient 600 ~ 900 grams), add 900 liters of water to stir evenly spray.
5. Prevention and treatment of cucumber downy mildew The spraying is started before or at the beginning of the disease, and the spraying is performed 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 Buoyant suspending agent
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 smoke cleaner is 3,750 to 6000 grams, or
30% chlorothalonil smoked product volume of 2500 ~ 4000 grams, or 45% chlorothalonil smoked product volume of 1667 ~ 2667 grams (active ingredients 750 ~ 1200 grams) ignited fumigation. 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 begins in the early stage of the disease, spraying once every 7 to 10 days, spraying 3 to 4 times in a row, using 75% chlorothalonil or Dakeling wettability per hectare. Powder product volume 2200 ~ 4000 grams (active ingredients 1650 ~ 3000 grams), or 40% chlorothalonil suspension drug volume 2250 ~ 2625
Gram (active ingredient 900 ~ 1050 grams) plus water 1125 open, stir even spray, seedlings spray volume is reduced.
7. Prevention and treatment of black spot and downy mildew in cabbage In the early stage of disease, climatic conditions are conducive to spraying when the disease occurs, spraying once every 7 to 10 days, spraying 2 to 3 times continuously, each time For hectares, use 75% chlorothalonil wettable powder, the commercial quantity is 1700-2300 g (active ingredient 1275~1725 g), add 900 liters of water, stir and spray evenly.
8. Prevention and control of bean rust, gray mold and anthrax in the early stage of the disease, spraying once every 7 days, spraying 3 to 4 times in a row, 75% chlorothalonil WP per hectare The quantity of the product is 1,700-2,300 g (the active ingredient is 1275 to 1725 g), and 900 liters of water is added, and the mixture is evenly sprayed.
9. Prevention and control of potato late blight, early blight and gray mold. Spray the medicine when the disease begins to occur before the potato seals. Spray once every 7 to 10 days. The number of sprays depends on the development of the disease, each time. For hectares, use 75% chlorothalonil wettable powder, the commercial quantity is 1700-2300 g (active ingredient 1275~1725 g), and add 900 liters of water to mix and spray evenly.
10. Prevention and control of tomato leaf mold, varigated disease and anthracnose begins in the early stage of the disease, and sprays once every 7 days. The number of sprays depends on the development of the disease, with 75% per hectare. The amount of fungic WP can be 1700-2300 g (active ingredient 1275~1725 g), add 900 liters of water, stir evenly.
11. Prevention and treatment of eggplant, sweet pepper anthracnose and early blight in the early stage of the disease, spraying once every 7 days, spraying 3 to 4 times continuously, with 75% chlorothalonil wettability per hectare The amount of powder is 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. Spraying at the beginning of the disease, spraying once every 7 days until the disease stops developing, using 75% chlorothalonil WP for each hectare. The amount of 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 In the early stage of the onset of the leaves or two weeks after the flowering, the spraying is usually carried out every 7 to 10 days. The number of spraying depends on the condition, and the spraying concentration is 75. % chlorothalonil wettable powder is sprayed 600 to 700 times.
14. Prevention and control of pear rust in the pear tree before flowering (late March) and after flowering (mid-April), spray once every two weeks after the second spray, if necessary, spray once every two weeks, each time available 75% chlorothalonil WP can be sprayed 500 times.
15. Prevention and treatment of apple anthracnose began spraying the first drug in early June, spraying once every 15 days, spraying 4 to 5 times in a row, and spraying with 75% chlorothalonil WP 500 times each time.
16. Prevention and control of citrus scab and smut disease begins to spray when the citrus petals fall off, spray once every 10 to 14 days, spray 2 to 3 times continuously, and use 75% chlorothalonil WP 800 each time. ~ 1000 times spray.
17. Prevention and control of tea anthracnose begins in the germination stage of summer or autumn tea or in the early stage of disease, spraying once every 7 to 10 days, spraying 2 to 3 times continuously, using 75% chlorothalonil every time. Wet powder is sprayed 600~800 times.
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