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Planting method for preventing and controlling welsh onion dry tip symptom
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A cultivation method and dry-tip technology, which is applied in the cultivation field of prevention and treatment of green onion dry-tip disease, can solve the problems of large damage to the human body and high dosage of adhesive chemicals, and achieve the effects of good effect, low cost and reasonable utilization
Active Publication Date: 2015-03-25
南通海睿知新信息科技有限公司
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Problems solved by technology
[0005] The object of the present invention is to provide a cultivation method for preventing and treating dry-tip disease of scallions, which solves the problems in the prior art that the dry-tip disease is prone to appear in the planting of scallions and the dosage of the adhesive agent is high after the application of common pesticides, causing great damage to the human body; After applying the method of the present invention, the effective prevention and treatment of dry tip disease is achieved, and the pesticide residues in crops are reduced, and the crops are environmentally friendly and green.
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Effect test
Embodiment 1
[0016] 1. Test at the end of June, Control the distance between the ridges to 60±2cm, the height of the ridge to 30±2cm, the width of the ridge to 45±2cm, and the width of the bottom of the ridge to 8-10cm. 2cm; sowing in August to September of the current year, evenly sow the onion seeds into the small ditch prepared in step 1, cover with soil and suppress, and the seeding rate per mu is 500±20g; Fertilize after the rainfall, spread the soil to protect moisture; when the seedling height is 15±2cm, set the seedlings according to the seedling distance of 3-4cm, and replenish the seedlings where the seedlings are missing, so that the number of seedlings per mu reaches 60,000-66,000;
[0017] 2. On September 5th, green onions were planted, and the vigorously growing green onions were sprayed with chemicals to prevent dry tips. On the basis of the preliminary test in 2010, the following treatments were set up (1) Spraying 2200 quality sodium bisilicate water glass; (2) Spray 40...
Embodiment 2
[0020] One, spray 3000 quality sodium bisilicate water glass; All the other conditions are with embodiment 1;
[0021] 2. On March 16 of the following year, when the scallions matured, the dry tip rate was investigated. The dry tip rate was 1.3% when treated with water glass, 5% when treated with calciumnitrate, and 8.6% when treated with water glass. The dry tip effect is significantly better than the other two treatments.
Embodiment 3
[0023] One, spray 3500 quality sodium bisilicate water glass; All the other conditions are with embodiment 1;
[0024] 2. On March 14 of the following year, when the scallions matured, the dry tip rate was investigated. The dry tip rate was 1.3% when treated with water glass, 5.7% when treated with calciumnitrate, and 9% when treated with water glass. The dry tip effect is significantly better than the other two treatments.
[0025] The above test and practice results all show that spraying 2000-3000 times the mass of water glass when planting scallions can significantly reduce the dry tips of scallions.
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Abstract
The invention discloses a planting method for preventing and controlling a welsh onion dry tip symptom, which belongs to the technical field of vegetable planting. The method is characterized in that water glass is sprayed onto a welsh onion variety which grows vigorously for 1-5 times during fixed planting of welsh onion in September; the concentration range of the water glass is 2,000-3,000 mass ratio; and spraying is performed completely till water drips from the welsh onion variety. The planting method has the beneficial effects that the dry tip disease of welsh onion is relieved by using water glass, and the dry tip rate of welsh onion is lowered to below 2 percent; and the planting method has the outstanding advantages of low cost, easiness in operating, good effect and easiness in popularizing.
Description
technical field [0001] The invention belongs to the technical field of vegetable cultivation, and relates to a cultivation method for preventing and treating dry-tip disease of scallions. Background technique [0002] The dry tips of scallions have become a major obstacle to the high-quality and high-yield of scallions, often resulting in a decrease in quality and yield, which directly affects the economic benefits of vegetable farmers. Therefore, it is very important to understand the reasons for the dry tip of scallions and take targeted control measures. There are two types of dry tips of scallions: physiological dry tips and pathological dry tips. In the latter, "white dry" and "green dry" are often confused by green onion farmers, making it difficult to prescribe the right medicine, resulting in missing the best opportunity for prevention and treatment. [0003] Traditionally cultivated scallions mostly adopt the method of raising seedlings and transplanting, usually ...
Claims
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Application Information
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