Seed treatment before sowing of rice can increase the clarity of the seeds, increase grain size and uniformity, and kill the disease-borne diseases, promote the activity of the zymogens, increase the seed germination rate, increase the seedling nutrition, and promote the growth and development. Cultivate strong and strong, capture high quality and high yield of rice. First, the sun rice seed processing methods are the following: Rice soaking seed germination before sowing, can enhance the seed coat permeability, stimulate the enzyme's vitality, can effectively increase the seed germination rate and germination potential, so that uniform germination, It is conducive to nurturing strong athletes. At the same time, the bacteria attached to the surface of the seed can be killed and the disease transmitted by the seed can be reduced. The drying time is 2~5 days before the germination sowing, continuous drying for 2~3 days. When drying seeds, it is required to be thin, diligent, and uniform. The operation must be precise and prevent the breakage of broken shells and varieties. Second, seed selection seed selection is a key measure to improve seed quality. After the seeds are selected by the methods of wind selection, screening, and mud-water selection, removing pods, damaged grains, and inclusions will increase the seed evenness and facilitate the cultivation of the strong maggots. Third, seed disinfection Sterilization refers to the use of chemical, physical and physiological methods to eliminate or inhibit pathogens found inside and outside the seed in order to achieve the purpose of restoring seed health. 1. Lime seed soaking with 1% of the quality of quicklime water 50 kg, 30 kg can be soaked. When the temperature is between 15°C and 20°C, soaking for 3 days; at 20°C～25°C, soaking for 2 days, soaking the seeds requires the water layer to be 10-12cm higher than the seeds. Do not stir the water layer during soaking. After soaking, remove the seeds, rinse with clean water, and sow germination. It can prevent rice blast, bakanae disease, and leaf spot disease. (2) Soaking with warm soup Soak rice seeds in clean water for 12 to 24 hours, then use bamboo pickle to filter water, and soak in warm water (54°C to 55°C) for 0 minutes. Stir the rice seeds while dipping to make seeds. Heat evenly, remove and put into cold water and cool to germinate. It can prevent rice blast, bacterial blight and dry-needle nematode diseases. 3. Seed soaking in the plant ash uses 5-8 kg of fresh grass ash, 100 kg of fresh water, and 50 kg of rice seed can be immersed after fully mixing. Soaking and sowing after 3 days sowing can not only prevent rice blast and bastard disease, but also have the effect of fattening rice. 4. Copper sulphate soaking in the selection of high quality copper sulfate 100 grams, 50 kg against the water, soaking for 2 days, remove the germination sowing, can prevent bastard disease and rice smut disease. 5. Carbendazim soaking seed soaked with 50% carbendazim 500 times for 48 hours, after sowing germination. 2 grams of medicine against 100 kilograms of clean water, 60 to 70 kilograms can be soaked, low cost, special effects in the prevention and treatment of bastard disease, can also prevent rice blast, leaf spot disease such as flax. 6. Strong Chloride Soaking Seed Soak the rice seed with water for 12 hours, then add 40% strong chlorine extract 200 times to soak for 12 hours, remove and rinse with clean water, and soak in seeds with clean water for 12 hours. . It can prevent bacterial streak, bakanae disease, bacterial blight and rice blast disease. 7. The formalin soaking is soaked with 2% formalin. The rice seeds are pre-soaked with fresh water for 24 hours, then put into a prepared formalin solution and soaked for 3 to 6 hours. The rice seeds are then rinsed with clean water and germinated. It can prevent rice blast, bastard disease, grain blight, leaf blight, leaf spot of flax, rice smut, brown leaf blight, and rice smut. 8. Antibiotic Soaking Seed soaking with 70% antibiotic "402" 200 times for 48 hours, remove and germinate. It can prevent leaf spot disease, rice blast disease, bastard disease, false smut, leaf blight, and bacterial streak disease. 9. Leaf blight net soaking seed soaking with 20% liquid Ye Zhong 2000 times for 48 to 48 hours, remove and germination can be sowed. It can prevent bacterial streak and bacterial blight. 10. Irregular rice seedlings net soaking with different rice net 500 times liquid, soaking for 24 to 48 hours, remove and rinse with clean water after germination sowing, can prevent rice blast. 11. Sophora japonica soaked seed soaked with 1000 times 40% grams of wolfberry powder, soaking for 48 hours, remove and rinse immediately with water, and then germination sowing, can prevent rice blast disease. 12. Soak seedling soaking with 35% evil spirit seedling 40 times soaking for 48 hours, remove and rinse with clean water, germination sowing can prevent rice bakanae disease. 13. Kill the pine seed soaking with 1000 times 50% of the killing pine, soaking for 24 ~ 48 hours, remove and germination sowing, can prevent dry needle nematode disease. 14. Soaking with dichlorvos with 80% dichlorvos 1000 times, soaking for 24 to 48 hours, remove the germination sowing, can prevent dry needle nematode disease. IV. Precautions 1. Precisely formulate the concentration of the liquid agent used for immersed rice to be accurately formulated. If the concentration of the agent is inaccurate, it is prone to phytotoxicity, or to reduce the effect of soaking the seed. 2. Strictly control the soaking time The soaking time of pesticides must strictly control the soaking time, otherwise the soaking time is long, and it is prone to phytotoxicity; the soaking time is short, and it can not reach the purpose of preventing disease. 3. The liquid medicine should be submerged. When the seed is soaked, the liquid medicine should be 10 to 15 cm higher than the seeds to prevent the seeds from swelling after being exposed to the air and reduce the effect of seed soaking. 4. After fully stirring the seeds into the liquid, it should be fully stirred to eliminate bubbles in the liquid so that the rice seeds can fully contact the liquid and improve the liquid soaking to prevent disease. 5. Pay attention to the use of chemicals to soak seed and prevent disease. Attention should be paid to the safety of humans and animals. Seeds that have been soaked with liquid medicine cannot be stacked randomly to prevent animals and poultry from eating poisoned food. At the same time plan to soak seed, so as not to cause the waste of seeds and pharmaceuticals.
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