What diseases does Chlorothalonil treat?

What diseases does Chlorothalonil treat? How to use chlorothalonil with good effect? Also ask experienced netizens to help introduce chlorothalonil is a non-absorbent broad-spectrum fungicide, is a low-toxic fungicide, is now widely used. The best time is to spray before or at the beginning of the disease, and the effect is the best. Chlorothalonil has control effect on many diseases such as food crops, peanuts, vegetables, melons, fruit trees, tea and so on. The farming network has sorted out the diseases that chlorothalonil can be prevented and how to use it, which are listed in detail below for netizens' reference. The main results are as follows: 1. The control method of rice blast: the control of rice blast should start from the disease center in the field and spray 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. 2. Methods for the control of rice sheath blight: spraying at the initial stage of the disease or from the young panicle formation stage to the booting stage, and then spraying 1 every 7 days, using 75% chlorothalonil wettable powder with a commercial quantity of 1500g to 1900g per hectare (active ingredient 1125g to 1425g), adding 1050 liters of water, stirring and spraying evenly, focusing on the rice stem. 3. Control methods of wheat leaf rust and leaf spot: start spraying at the initial stage of the disease, spray once every 7 days, and spray continuously for 2 times. Each time, use 75% chlorothalonil wettable powder with a commercial quantity of 1500g to 1900g (active ingredient 1125g to 1425g), add 1050 liters of water, and spray evenly. 4. control methods of peanut rust, brown spot and black spot: start spraying at the initial stage of the disease, spraying once every 7-10 days, continuously spraying 2-3 times. 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. Control methods of cucumber downy mildew: spraying pesticide was started before or at the initial stage of cucumber downy mildew disease, once every 7 days. Spray continuously for 3 times, each time with 75% chlorothalonil wettable powder 2200-4000 grams per hectare (active ingredient 1650-3000 grams), or 40% Daconine suspension or 40% chlorothalonil suspensions 2250-2625 grams (900-1050 grams), 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. prevention and control of tomato early blight: start spraying at the initial stage of the disease, once every 7 to 10 days, continuously for 3 times, each time with 75% chlorothalonil or dachlorothalonil wettable powder 2200 grams per hectare (active ingredient 1650 3000 grams), or 40% chlorothalonil suspension 2250 grams 2625 grams (900 grams 1050 grams) plus water 1125 boil, stir and spray evenly The amount of spray per hour should be reduced. 7. Control methods of cabbage black spot and downy mildew: at the initial stage of the occurrence of the disease, the climatic conditions are favorable for the occurrence of the disease, spray once every 7-10 days, continuously spray 2-3 times, each time with 75% chlorothalonil wettable powder commodity quantity of 1700-2300 grams (active ingredient 1275-1725 grams), add 900 liters of water, mix and spray evenly. 8. Prevention and control methods of bean rust, gray mold and anthracnose: start spraying at the initial stage of the disease, spraying once every 7 days, continuously spraying 3 times 4 times, each time 75% chlorothalonil wettable powder commodity volume of 1700-2300 grams (active ingredient 1275-1725 grams), adding 900 liters of water, mixing and spraying evenly. 9. Prevention and control methods of potato late blight, early blight and gray mold: spray once every 7 to 10 days when the disease begins to occur before closing, depending on the development of the disease. Each time, the commercial volume of 75% chlorothalonil wettable powder is 1700g / ha (1275g / 1725g), and 900 litres of water is added and sprayed evenly. 10. Control methods of tomato leaf mildew, leaf spot and anthracnose: start spraying at the initial stage of the disease, spraying once every 7 days, depending on the development of the disease, using 75% chlorothalonil wettable powder with a commercial volume of 1700-2300 grams per hectare (active ingredient 1275-1725 grams), adding 900 liters of water, mixing and spraying evenly. 11. Prevention and control methods of eggplant, sweet pepper anthracnose and early blight: start spraying at the initial stage of the disease, spraying once every 7 days, continuously spraying 3 times 4 times, each time with 75% chlorothalonil wettable powder commodity quantity 1700-2300 grams (active ingredient 1275-1725 grams), adding 900 liters of water, stirring and spraying evenly. 12. Control methods of melon downy mildew and powdery mildew: start spraying at the initial stage of the disease, once every 7 days, until the disease stops developing. Each time, use 75% chlorothalonil wettable powder with a commercial volume of 1600g to 2200g (active ingredient 1200g, 1650g) plus 900 liters of water, and spray evenly. 13. Prevention and control of grape powdery mildew and black pox: spray at the initial stage of leaf onset or two weeks after flowering, usually once every 7-10 days, depending on the condition, with a concentration of 75% chlorothalonil wettable powder 600-700 times. 14. Prevention and control of pear rust: spray once before flowering (late March) and after flowering (mid-April), and once again two weeks after the second spray if necessary, each time with 75% chlorothalonil wettable powder 500 times. 15. Methods for the prevention and control of apple anthracnose: start spraying the medicine for the first time in early June, once every 15 days, spraying continuously for 4 times 5 times, each time with 75% chlorothalonil wettable powder 500 times. 16. Prevention and control of citrus scab and sand skin disease: start spraying when the citrus petals fall off, spray once every 10-14 days, spray 2-3 times continuously, and spray with 75% chlorothalonil wettable powder 800-1000 times each time. 17. Methods for the prevention and control of tea anthracnose: start spraying at the sprouting stage of summer and autumn tea or at the initial stage of the disease, spraying once every 7-10 days, spraying 2-3 times continuously, each time spraying with 75% chlorothalonil wettable powder 600-800 times. Click to get more fungicide use technology click to get more pesticide use technology