How to use chlorothalonil?

How to use the fungicide chlorothalonil? Please introduce that chlorothalonil is a non-absorbent broad-spectrum fungicide that can prevent fungal diseases in many crops. Chlorothalonil has control effect on many diseases such as food crops, peanuts, vegetables, melons, fruit trees, tea and so on. It is a low-toxic fungicide and is now widely used. The best time is to spray before or at the beginning of the disease, and the effect is the best. This paper introduces how to use it: 1. During the control of rice blast, the disease center began to spray in the field, and sprayed again every 7 days. The control of panicle blast was sprayed once at the breaking stage and at the full heading stage. Each time, use 75% chlorothalonil wettable powder with a commercial quantity of 1500g to 1900g (active ingredient 1125g to 1425g) per hectare, add 1050 liters of water and spray evenly. two。 The control of rice sheath blight was sprayed at the initial stage of the disease or from the young panicle formation stage to the booting stage, and then sprayed again after 7 days, with a commercial amount of 15001900g (active ingredient 11251425g) of 75% chlorothalonil wettable powder per hectare each time, adding 1050 liters of water, stirring and spraying evenly, focusing on the rice stem. 3. The control of wheat leaf rust and leaf spot began to be sprayed at the initial stage of the disease, spraying once every 7 days for 2 times in a row, each time with 75% chlorothalonil wettable powder of 1500g to 1900g (active ingredient 1125g to 1425g), add 1050 liters of water and spray evenly. 4. The control of peanut rust, brown spot and black spot began to be sprayed at the initial stage of the disease, once every 7-10 days and 2-3 times in a row. According to the growth period and disease development of peanut, we will decide whether to apply pesticide or not. Each time, the commercial amount of 75% chlorothalonil wettable powder is 1500-1800 g per hectare (active ingredient 1125-1350 g), or 40% Daconine suspension is 1500-2250 g (active ingredient 600-900 g), mixed with 900 liters of water and sprayed evenly. 5. The control of cucumber downy mildew began to be sprayed before or at the initial stage of the disease, once every 7 days. Spray continuously for 3 times, each time with 75% chlorothalonil wettable powder 2200-4000 g (active ingredient 1650-3000 g), or 40% Daconine suspension or 40% chlorothalonil suspension 2250-2625 g (active ingredient 900-1050 g), add 1125 liters of water, stir and spray evenly, and the hourly spray amount of cucumber seedlings is reduced. The control of cucumber downy mildew in greenhouse can be controlled by chlorothalonil smoke remover, which can be ignited and fumigated at the initial stage of the occurrence of the disease. each time, 10% chlorothalonil smoke remover is used in the greenhouse with a commodity volume of 7500 to 12000 grams, or 20% chlorothalonil smoke remover to 3750 to 6000 grams, or 30% chlorothalonil smoke remover to 2500 to 4000 grams, or 45% chlorothalonil smoke remover to 1667 to 2667 grams (active ingredient 750 to 1200 grams) to ignite fumigation. You can also use 5% chlorothalonil powder with a commodity quantity of 15000-22500g (active ingredient 750- 1125g) to spray powder for prevention and control, and further prevention and control depends on the development of the disease. 6. The prevention and control of tomato early blight began to be sprayed at the initial stage of the disease, once every 7 to 10 days, continuously for 3 times, each time with 75% chlorothalonil or dakalin wettable powder 2200 to 4000 grams (active ingredient 1650 to 3000 grams), or 40% chlorothalonil suspension 2250 to 2625 grams (active ingredient 900 to 1050 grams) plus 1125 boil of water, stirring evenly, and the amount of spray in seedling hours was reduced. 7. Control of cabbage black spot and downy mildew in the initial stage of the disease, the climatic conditions are favorable to start spraying when the disease occurs, spraying once every 7-10 days, spraying 2-3 times continuously, using 75% chlorothalonil wettable powder with a commercial quantity of 1700-2300 grams per hectare (active ingredient 1275-1725 grams), adding 900 liters of water and spraying evenly. 8. The prevention and control of bean rust, gray mold and anthracnose began to spray at the initial stage of the disease, spraying every 7 days for 3 times in a row, each time 75% chlorothalonil wettable powder commodity volume of 1700-2300 grams (active ingredient 1275-1725 grams), adding 900 liters of water, stirring and spraying evenly. 9. The control of potato late blight, early blight and gray mold was sprayed every 7 to 10 days at the beginning of the disease. The spraying times depended on the development of the disease. Each time, the commercial volume of 75% chlorothalonil wettable powder was 1700-2300 grams (active ingredient 1275-1725 grams) and 900 litres of water was added and sprayed evenly. 10. The control of tomato leaf mildew, leaf spot and anthracnose began to be sprayed at the initial stage of the disease, once every 7 days, depending on the development of the disease. Each time, the commercial volume of 75% chlorothalonil wettable powder was 1700-2300 grams (active ingredient 1275-1725 grams), 900 litres of water was added, and sprayed evenly. 11. The prevention and control of eggplant, sweet pepper anthracnose and early blight began to spray at the initial stage of the disease, spraying every 7 days for 3 times in a row, each time with 75% chlorothalonil wettable powder commodity quantity of 1700-2300 grams (active ingredient 1275-1725 grams), adding 900 liters of water, mixing and spraying evenly. twelve。 The control of melon downy mildew and powdery mildew began to be sprayed at the initial stage of the disease, every 7 days until the disease stopped. Each time, use 75% chlorothalonil wettable powder with a commercial volume of 1600-2200g (active ingredient 1200g-1650g) plus 900 liters of water and spray evenly. 13. The prevention and control of grape powdery mildew and black pox began to be sprayed at the initial stage of leaf disease or two weeks after flowering, usually once every 7 to 10 days, depending on the disease, with a concentration of 75% chlorothalonil wettable powder 600 times 700 times. 14. The prevention and control of pear rust should be sprayed once before flowering (late March) and after flowering (mid-April), and once again two weeks after the second spray, each time with 75% chlorothalonil wettable powder 500 times. 15. The prevention and control of apple anthracnose began to be sprayed for the first time in early June, once every 15 days, 4 or 5 times in a row, each time with 75% chlorothalonil wettable powder 500 times. 16. The prevention and control of citrus scab and sand skin disease began to be sprayed when the citrus petals fell off, spraying once every 10 to 14 days, 2 to 3 times in a row, each time spraying with 75% chlorothalonil wettable powder 800-1000 times. 17. The prevention and control of tea anthracnose began to be sprayed during the budding period of summer and autumn tea or at the initial stage of the disease, once every 7-10 days, continuously 2-3 times, each time with 75% chlorothalonil wettable powder 600-800 times. Click to get more fungicide use technology click to get more pesticide use technology