Special pesticide control techniques for broccoli black rot:
1. Seedbed disinfection: Formalin can be selected with formalin. The method is: using 30 to 40 ml of formalin per square meter of seedbed, 2.5 to 5 kg of water, and then spraying with a sprayer (to the nozzle), while spraying and tumbling After spraying, cover the agricultural film, and after a week, uncover the agricultural film, turn the soil several times, let the formalin fully evaporate, the time is about 5 to 7 days.
2. Seed treatment: soaking with 50% dasen ammonium water 200 times solution for 15 minutes, then washing and drying to sow. Soaking seeds with warm soup will seriously affect the germination rate of broccoli, so it should be used with caution and not used as much as possible.
3. Seedbed management: If it is in the summer, it is necessary to use nursery seedlings, cover the sunshade net to prevent sun exposure and rainstorm rushing. After the seedlings are unearthed, always check the seedlings to ensure that the seedlings are strong and strong, if there is a diseased seedling In time, remove and spray the medicine, and prevent pests such as blight, stagnation, and cabbage caterpillar during the whole seedling period.
4. Rotation of the crop: the rotation of non-cruciferous vegetables for more than 2 years can basically solve the problem of soil bacteria. In order to eliminate or reduce the pathogenic bacteria in the soil, the grounding is carried out for 10 to 20 days before planting to accelerate the maturation of the plant residues and the death of the bacteria in the soil.
5. Fertilizer and water management, cultivating and weeding: seedlings planting and slowing seedlings, it is necessary to apply sufficient seedling fertilizer, and the plants should be topdressed with water for 2 to 3 times during plant growth to prevent premature senescence of the plants and enhance their disease resistance. Irrigation should not be flooded with large water to reduce the chance of spread of germs. According to the sensation, timely cultivating and weeding.
6. Insect control and pest control: In addition to direct damage, the pests also provide pathogens for infection from wounds. Therefore, the plots with many pests and black rots are also heavy. To prevent disease, it is necessary to first control the insects, especially the cabbage caterpillars and the diamondback moth. Hazard.
7. Anti-disease and treatment: After the black rot disease center disease plant appears in the field, it should be promptly controlled. The control agent can be used with 50% dexamethasone 500 times solution, agricultural streptomycin, streptomycin sulfate, neomycin and other 200 mg. / kg, with obvious control effect, the other 50% methyl thiophanate and 50% carbendazim WP can also be very effective.
Chevron Style Engineered Flooring
Chevron Style Engineered Flooring
Established in 2009, Jiangsu SunYo Flooring Co., Ltd is a privately owned enterprise, it`s specialized in producing Laminate Flooring,engineered flooring and other kind of floorings. Combined with the company's own four well-known brands, SunYo has become one of the industry leader in laminate/engineered flooring. Based on the road of independent innovation, the company has always strictly required the company itself with high standards and high positioning to continuously improve product quality. Continuously introduce advanced production equipment, multiple modern assembly lines, sophisticated testing instruments, adhere to "people-oriented, market-oriented, and innovation for development", and constantly sum up experience, strong scientific research strength, and innovative development of the market Marketing strategy points. A high-quality product research and development center has been established in the industry, and a number of patented technologies have been obtained. Please contact us freely if you have interested in our products.
Herringbone Engineered Wood Flooring,Manufactured Wood Flooring,Solid Wood Floor,Installing Engineered Hardwood
Jiangsu Sunyo Flooring Co., Ltd , https://www.woodmapflooring.com