Vegetable pollution-free prevention techniques in summer
1. Viral disease. Virus disease is one of the major diseases that are vulnerable to summer infections of vegetables such as peppers, tomatoes, and beans. During the onset period, potassium permanganate 800 to 1000 times, trisodium phosphate 500 to 800 times or potassium dihydrogen phosphate 500 to 1000 times, 83 antibiotics 5 ml water 50 kg, spray control, every 7 to 10 days of alternating medication spray 1, even spray 2 to 3 times, can passivate the bacteria, control the spread.
2. Anthrax disease. The anthracnose of solanaceous vegetables is suitable to be sprayed with 50% carbendazim, zeocin, and virucidal wettable powder 600 to 800 times solution and 50% thiophanate 800 to 1000 times solution at the early stage of disease. Spray once every 7 days and spray 2 or 3 times.
3. Verticillium wilt. In the initial stage of disease, 50% thiophanate 500-800 times solution or 50% carbendazim 600-800 times fluid and anti-dry spirit 600-800 times fluid are used to irrigate the roots, each strain is 0.25 kg and it is irrigated once every 7 days. For 3 to 4 consecutive times.
4. Downy mildew. Downy mildew is a common disease on cucumbers. At the beginning of the disease, spray with 40% 200 times aluminum diphosphophosphate, 40% 400 times antivirus, and 25% 800% lotion. When it occurs at the same time as powdery mildew, it can be sprayed with 200 times of aluminum diphosphonate and 3000 times of powder triadimefon spray, sprayed once every 7 days, and sprayed twice.
5. Diseases. In the early stage of the onset of tomato early blight and late blight, Bordeaux mixture (1:0.5:200-250), Daisen (Manson Zinc, Manson Manganese zinc, etc.) 600-800 times, and Rhizoctonia 600-800 can be used alternately. Times of liquid, anti-virus drugs 400 to 500 times control, spray every 7 to 10 days, even spray three times, if the rain within 8 hours after spraying need to make up the spray.
6. Root rot. When root rot occurs in cowpea and green beans, 50% carbendazim or 70% thiophanate 1000 to 2000 times liquid and “Nongke 120†500 to 600 times liquid to root. It is also possible to add 0.75 to 1 kg of naphthalene acetic acid mother liquor per 50 kg of the above-mentioned liquid, and mix the roots after irrigating them uniformly, which has obvious effects.
7. Rust. Prevention of rust on legumes and vegetables, the results can be used in the early 15% Triadimef 2000 ~ 4000 times liquid, cowpea into the results of the period can be changed to 50% of carbendazim 800 times or 70% thiophanate 600 times spray, interval 7 Sprayed once a day, two times in a row.
8. Mildew. The onset period is 50% carbendazim 800 times or 50% thiophanate-methyl 600 times, 65% dexamethasone 700 times, 75% sterilized 800 times, 7 to 10 days Once, spray 2 or 3 times.
9. Blight disease. Fusarium wilt is a devastating disease in the growth of melons and vegetables. In the early stage of disease, 500 times solution of mancozeb manganese plus zinc and 400 times of anti-drying are used to irrigate roots with Ruizhi system agent; Irrigation once every 7 days in disease epidemic period. 3 times, 0.25 kilograms of drug solution for each capsule. According to our experiments for many years, the use of potassium permanganate to prevent wilt disease has neither pollution nor treatment effect. The method is: before the watermelon is sowed, the soil is sprayed with potassium permanganate 500-800 times, and the soil is irrigated with the potassium permanganate 500-800 times. Kilograms can control the incidence of wilt disease to 0.5% or less. In the beginning of watermelon wilt disease, it was immediately irrigated with potassium permanganate 500-800 times. The cure rate reached 80%-90%. To control cucumber wilt disease, after planting live trees in cucumbers, each pot of potassium permanganate 1000 times 0.2 kg, even irrigation three times, each time interval of 7 days, can effectively prevent the occurrence of wilt disease. In the beginning of cucumber wilt disease, potassium permanganate 500 times to irrigate the roots, the rate of wilt disease is only 1%.
10. Powdery mildew. In the early stage of disease, spray 70% thiophanate-methyl 1000 times, 50% carbendazim 500 times, 40% polysulfide (40% carbendazim plus sulfur rubber suspension) 1000 times, and spray twice. The interval is 7 days.
11. Leaf burn disease. Leaf burn disease is the frequent occurrence of string beans, and the damage is severe. At the beginning of the disease, 1:1:200 Bordeaux mixture or dexamethasone 500-600 times solution, enemy powder 800-1000 times solution can be sprayed, and sprayed 7 days, once in high temperature and wet weather, it can be sprayed once every 5-7 days. Even spray 2 or 3 times. Such as adding the appropriate amount of leaf treasure in the above liquid, the effect is better.
12. Stumble down. Solanaceous vegetables are prone to this disease. After peppers and eggplants are transplanted live, potassium permanganate 800 times is used to irrigate the roots, or sprayed with 800 to 1000 times of liquid, and the control effect is as high as 99%, which can prevent the occurrence of damping-off at the seedling stage. Preparation of potassium permanganate dilution solution should use well water, tap water, river water, do not use stagnant water, sewage, hot water, otherwise it will reduce its oxidizing bactericidal effect, and do with the distribution with the use, not long home. (Dong Tiexian Seed Company Dai Tiesheng, Hunan Province)
2. Anthrax disease. The anthracnose of solanaceous vegetables is suitable to be sprayed with 50% carbendazim, zeocin, and virucidal wettable powder 600 to 800 times solution and 50% thiophanate 800 to 1000 times solution at the early stage of disease. Spray once every 7 days and spray 2 or 3 times.
3. Verticillium wilt. In the initial stage of disease, 50% thiophanate 500-800 times solution or 50% carbendazim 600-800 times fluid and anti-dry spirit 600-800 times fluid are used to irrigate the roots, each strain is 0.25 kg and it is irrigated once every 7 days. For 3 to 4 consecutive times.
4. Downy mildew. Downy mildew is a common disease on cucumbers. At the beginning of the disease, spray with 40% 200 times aluminum diphosphophosphate, 40% 400 times antivirus, and 25% 800% lotion. When it occurs at the same time as powdery mildew, it can be sprayed with 200 times of aluminum diphosphonate and 3000 times of powder triadimefon spray, sprayed once every 7 days, and sprayed twice.
5. Diseases. In the early stage of the onset of tomato early blight and late blight, Bordeaux mixture (1:0.5:200-250), Daisen (Manson Zinc, Manson Manganese zinc, etc.) 600-800 times, and Rhizoctonia 600-800 can be used alternately. Times of liquid, anti-virus drugs 400 to 500 times control, spray every 7 to 10 days, even spray three times, if the rain within 8 hours after spraying need to make up the spray.
6. Root rot. When root rot occurs in cowpea and green beans, 50% carbendazim or 70% thiophanate 1000 to 2000 times liquid and “Nongke 120†500 to 600 times liquid to root. It is also possible to add 0.75 to 1 kg of naphthalene acetic acid mother liquor per 50 kg of the above-mentioned liquid, and mix the roots after irrigating them uniformly, which has obvious effects.
7. Rust. Prevention of rust on legumes and vegetables, the results can be used in the early 15% Triadimef 2000 ~ 4000 times liquid, cowpea into the results of the period can be changed to 50% of carbendazim 800 times or 70% thiophanate 600 times spray, interval 7 Sprayed once a day, two times in a row.
8. Mildew. The onset period is 50% carbendazim 800 times or 50% thiophanate-methyl 600 times, 65% dexamethasone 700 times, 75% sterilized 800 times, 7 to 10 days Once, spray 2 or 3 times.
9. Blight disease. Fusarium wilt is a devastating disease in the growth of melons and vegetables. In the early stage of disease, 500 times solution of mancozeb manganese plus zinc and 400 times of anti-drying are used to irrigate roots with Ruizhi system agent; Irrigation once every 7 days in disease epidemic period. 3 times, 0.25 kilograms of drug solution for each capsule. According to our experiments for many years, the use of potassium permanganate to prevent wilt disease has neither pollution nor treatment effect. The method is: before the watermelon is sowed, the soil is sprayed with potassium permanganate 500-800 times, and the soil is irrigated with the potassium permanganate 500-800 times. Kilograms can control the incidence of wilt disease to 0.5% or less. In the beginning of watermelon wilt disease, it was immediately irrigated with potassium permanganate 500-800 times. The cure rate reached 80%-90%. To control cucumber wilt disease, after planting live trees in cucumbers, each pot of potassium permanganate 1000 times 0.2 kg, even irrigation three times, each time interval of 7 days, can effectively prevent the occurrence of wilt disease. In the beginning of cucumber wilt disease, potassium permanganate 500 times to irrigate the roots, the rate of wilt disease is only 1%.
10. Powdery mildew. In the early stage of disease, spray 70% thiophanate-methyl 1000 times, 50% carbendazim 500 times, 40% polysulfide (40% carbendazim plus sulfur rubber suspension) 1000 times, and spray twice. The interval is 7 days.
11. Leaf burn disease. Leaf burn disease is the frequent occurrence of string beans, and the damage is severe. At the beginning of the disease, 1:1:200 Bordeaux mixture or dexamethasone 500-600 times solution, enemy powder 800-1000 times solution can be sprayed, and sprayed 7 days, once in high temperature and wet weather, it can be sprayed once every 5-7 days. Even spray 2 or 3 times. Such as adding the appropriate amount of leaf treasure in the above liquid, the effect is better.
12. Stumble down. Solanaceous vegetables are prone to this disease. After peppers and eggplants are transplanted live, potassium permanganate 800 times is used to irrigate the roots, or sprayed with 800 to 1000 times of liquid, and the control effect is as high as 99%, which can prevent the occurrence of damping-off at the seedling stage. Preparation of potassium permanganate dilution solution should use well water, tap water, river water, do not use stagnant water, sewage, hot water, otherwise it will reduce its oxidizing bactericidal effect, and do with the distribution with the use, not long home. (Dong Tiexian Seed Company Dai Tiesheng, Hunan Province)
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