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Technical Opinions on Rice Seed Treatment

Technical Opinions on Rice Seed Treatment

(Summary description)In recent years, rice seed-borne diseases and seedling stage diseases and insects have occurred in a large number of species and severity, posing a threat to the safety of rice production. In particular, the incidence of rice bakanae disease is more serious in machine-transplanted rice and dry-fed transplantation (throwing) rice. The occurrence area of ​​dry tip nematode disease is also expanding. Diseases and insects such as rice blast and rice thrips are found in coastal and riverine parts. It is common in the area at the seedling stage, which poses a greater threat to rice seedlings and seedling growth. Seed medicament treatment has strong pertinence, low dosage, and long duration. It can play the role of "medicine and other diseases and insects" during the efficacy period, and realize the advancement of pest control and control, which can effectively control the pests and diseases in the seedling stage. It can also significantly reduce the pressure of pest control in the early and mid-stage of rice growth, reduce the amount of pesticide use and the loss of chemical liquid; some seed coating agents can also promote seedling packing in plastic trays, which is conducive to machine transplanting. All localities should attach great importance to rice seed treatment, pay close attention to publicity and service guidance, vigorously promote safe and efficient seed treatment technology, strive to increase the coverage of seed treatment, and lay a solid foundation for cultivating strong seedlings and ensuring high and stable rice yields. 1. Select high-quality rice seeds to lay a solid foundation for strong seedlings It is necessary to select high-quality, disease-resistant seeds according to local conditions, select disease-free and robust rice seeds, dry them for 2-3 days before treatment with the medicament, and carry out winnowing, by removing impurities and inferiority, reducing the source of bacteria and increasing seed vigor, increasing the germination rate and germination. Potential. In recent years, bakanae disease, dry tip nematode disease, rice blast, bacterial leaf streak and other diseases have recurred in areas where the planting area of ​​highly susceptible varieties should be reduced to reduce the risk of disease occurrence and reduce the pressure on prevention and control. 2. Carry out medicament treatment correctly to improve the quality of seed medicament treatment One is to choose the right kind of medicine. For bakanae disease, fenoxystrobin, fludioxonil, ethylicin, fludioxonil, pyridoxine, fluorocyclopyridine, fludioxonil, trifloxacin, isothiazamide, etc. can be selected. Seed soaking or dressing with medicaments such as nail cream and conazole. In view of the fact that bakanae pathogens in most areas of our province have developed a high level of resistance to prochloraz, soaking seeds with prochloraz should be stopped; Seed soaking with Shapidan and its compounding agent; For the mixed occurrence of bakanae disease and dry tip nematode disease, you can choose to soak or dress the seeds with medicament such as Etosan, Etosan, and Cyanoxystrobin. In the production, you can choose to use 25% cyanostrobin suspension 2000-3000 times liquid, or 17% pyridoxine·etiticin wettable powder 200-400 times liquid for seed soaking; or 62.5g/L methicone·fludioxonil suspension seed 300 ml of coating agent, add 1700 ml of water, and stir to coat 100 kg of rice seeds; or 250-500 ml of 12% methylpyridine metalaxyl suspension seed coating agent, dilute to 1-2 liters with water, and stir to coat 100 kg of rice seeds Kg; or 11% fluorine ring • pyrrolidone • fine nail seed treatment suspending agent 300-400 ml, dilute with water to 1.5-2.5 liters, and stir to coat 100 kg of rice seeds; or 24.1% trifloxacin • isothiamine seed treatment suspending agent 1500-2500 ml, dilute with water to 1.5-3 liters, and stir 100 kg of coated rice seeds; or 100-150 ml of 4.23% nail cream•Seconazole microemulsion, dilute with 1-3 times water, and stir to coat rice seeds 100 kilograms; for areas with heavy occurrence of thrips, you can soak or dress seeds with imidacloprid, thiamethoxam, clothianidin, etc. For thrips, use 100-300 ml of 30% thiamethoxam suspension seed coating agent, Add 1-2.5 liters of water to dilute and then stir and coat 100 kg of rice seeds; or first soak the rice seeds to accelerate germination to whiteness, and then 200-400 ml of 600 g/L imidacloprid suspension seed coating agent to dilute and coat 100 kg of rice seeds; In areas where bacterial streaks, bacterial leaf blight and other bacterial diseases occur, demonstrate the application of trichloroisocyanuric acid, chlorobromoisocyanuric acid soaking or thiazole zinc seed dressing; for rice blast recurrence areas and their susceptible varieties, apply 24.1 %Xixibacteria•Isothiamine seed treatment suspending agent 1500-2500ml, add water to dilute to 1.5-3 liters, stir and coat 100 kilograms of rice seeds. The second is to improve the quality of seed trea

Technical Opinions on Rice Seed Treatment

(Summary description)In recent years, rice seed-borne diseases and seedling stage diseases and insects have occurred in a large number of species and severity, posing a threat to the safety of rice production. In particular, the incidence of rice bakanae disease is more serious in machine-transplanted rice and dry-fed transplantation (throwing) rice. The occurrence area of ​​dry tip nematode disease is also expanding. Diseases and insects such as rice blast and rice thrips are found in coastal and riverine parts. It is common in the area at the seedling stage, which poses a greater threat to rice seedlings and seedling growth. Seed medicament treatment has strong pertinence, low dosage, and long duration. It can play the role of "medicine and other diseases and insects" during the efficacy period, and realize the advancement of pest control and control, which can effectively control the pests and diseases in the seedling stage. It can also significantly reduce the pressure of pest control in the early and mid-stage of rice growth, reduce the amount of pesticide use and the loss of chemical liquid; some seed coating agents can also promote seedling packing in plastic trays, which is conducive to machine transplanting. All localities should attach great importance to rice seed treatment, pay close attention to publicity and service guidance, vigorously promote safe and efficient seed treatment technology, strive to increase the coverage of seed treatment, and lay a solid foundation for cultivating strong seedlings and ensuring high and stable rice yields.

1. Select high-quality rice seeds to lay a solid foundation for strong seedlings

It is necessary to select high-quality, disease-resistant seeds according to local conditions, select disease-free and robust rice seeds, dry them for 2-3 days before treatment with the medicament, and carry out winnowing, by removing impurities and inferiority, reducing the source of bacteria and increasing seed vigor, increasing the germination rate and germination. Potential. In recent years, bakanae disease, dry tip nematode disease, rice blast, bacterial leaf streak and other diseases have recurred in areas where the planting area of ​​highly susceptible varieties should be reduced to reduce the risk of disease occurrence and reduce the pressure on prevention and control.

2. Carry out medicament treatment correctly to improve the quality of seed medicament treatment

One is to choose the right kind of medicine. For bakanae disease, fenoxystrobin, fludioxonil, ethylicin, fludioxonil, pyridoxine, fluorocyclopyridine, fludioxonil, trifloxacin, isothiazamide, etc. can be selected. Seed soaking or dressing with medicaments such as nail cream and conazole. In view of the fact that bakanae pathogens in most areas of our province have developed a high level of resistance to prochloraz, soaking seeds with prochloraz should be stopped; Seed soaking with Shapidan and its compounding agent; For the mixed occurrence of bakanae disease and dry tip nematode disease, you can choose to soak or dress the seeds with medicament such as Etosan, Etosan, and Cyanoxystrobin. In the production, you can choose to use 25% cyanostrobin suspension 2000-3000 times liquid, or 17% pyridoxine·etiticin wettable powder 200-400 times liquid for seed soaking; or 62.5g/L methicone·fludioxonil suspension seed 300 ml of coating agent, add 1700 ml of water, and stir to coat 100 kg of rice seeds; or 250-500 ml of 12% methylpyridine metalaxyl suspension seed coating agent, dilute to 1-2 liters with water, and stir to coat 100 kg of rice seeds Kg; or 11% fluorine ring • pyrrolidone • fine nail seed treatment suspending agent 300-400 ml, dilute with water to 1.5-2.5 liters, and stir to coat 100 kg of rice seeds; or 24.1% trifloxacin • isothiamine seed treatment suspending agent 1500-2500 ml, dilute with water to 1.5-3 liters, and stir 100 kg of coated rice seeds; or 100-150 ml of 4.23% nail cream•Seconazole microemulsion, dilute with 1-3 times water, and stir to coat rice seeds 100 kilograms; for areas with heavy occurrence of thrips, you can soak or dress seeds with imidacloprid, thiamethoxam, clothianidin, etc. For thrips, use 100-300 ml of 30% thiamethoxam suspension seed coating agent, Add 1-2.5 liters of water to dilute and then stir and coat 100 kg of rice seeds; or first soak the rice seeds to accelerate germination to whiteness, and then 200-400 ml of 600 g/L imidacloprid suspension seed coating agent to dilute and coat 100 kg of rice seeds; In areas where bacterial streaks, bacterial leaf blight and other bacterial diseases occur, demonstrate the application of trichloroisocyanuric acid, chlorobromoisocyanuric acid soaking or thiazole zinc seed dressing; for rice blast recurrence areas and their susceptible varieties, apply 24.1 %Xixibacteria•Isothiamine seed treatment suspending agent 1500-2500ml, add water to dilute to 1.5-3 liters, stir and coat 100 kilograms of rice seeds.

The second is to improve the quality of seed trea

Information
In recent years, rice seed-borne diseases and seedling stage diseases and insects have occurred in a large number of species and severity, posing a threat to the safety of rice production. In particular, the incidence of rice bakanae disease is more serious in machine-transplanted rice and dry-fed transplantation (throwing) rice. The occurrence area of ​​dry tip nematode disease is also expanding. Diseases and insects such as rice blast and rice thrips are found in coastal and riverine parts. It is common in the area at the seedling stage, which poses a greater threat to rice seedlings and seedling growth. Seed medicament treatment has strong pertinence, low dosage, and long duration. It can play the role of "medicine and other diseases and insects" during the efficacy period, and realize the advancement of pest control and control, which can effectively control the pests and diseases in the seedling stage. It can also significantly reduce the pressure of pest control in the early and mid-stage of rice growth, reduce the amount of pesticide use and the loss of chemical liquid; some seed coating agents can also promote seedling packing in plastic trays, which is conducive to machine transplanting. All localities should attach great importance to rice seed treatment, pay close attention to publicity and service guidance, vigorously promote safe and efficient seed treatment technology, strive to increase the coverage of seed treatment, and lay a solid foundation for cultivating strong seedlings and ensuring high and stable rice yields.
 
1. Select high-quality rice seeds to lay a solid foundation for strong seedlings
 
It is necessary to select high-quality, disease-resistant seeds according to local conditions, select disease-free and robust rice seeds, dry them for 2-3 days before treatment with the medicament, and carry out winnowing, by removing impurities and inferiority, reducing the source of bacteria and increasing seed vigor, increasing the germination rate and germination. Potential. In recent years, bakanae disease, dry tip nematode disease, rice blast, bacterial leaf streak and other diseases have recurred in areas where the planting area of ​​highly susceptible varieties should be reduced to reduce the risk of disease occurrence and reduce the pressure on prevention and control.
 
2. Carry out medicament treatment correctly to improve the quality of seed medicament treatment
 
One is to choose the right kind of medicine. For bakanae disease, fenoxystrobin, fludioxonil, ethylicin, fludioxonil, pyridoxine, fluorocyclopyridine, fludioxonil, trifloxacin, isothiazamide, etc. can be selected. Seed soaking or dressing with medicaments such as nail cream and conazole. In view of the fact that bakanae pathogens in most areas of our province have developed a high level of resistance to prochloraz, soaking seeds with prochloraz should be stopped; Seed soaking with Shapidan and its compounding agent; For the mixed occurrence of bakanae disease and dry tip nematode disease, you can choose to soak or dress the seeds with medicament such as Etosan, Etosan, and Cyanoxystrobin. In the production, you can choose to use 25% cyanostrobin suspension 2000-3000 times liquid, or 17% pyridoxine·etiticin wettable powder 200-400 times liquid for seed soaking; or 62.5g/L methicone·fludioxonil suspension seed 300 ml of coating agent, add 1700 ml of water, and stir to coat 100 kg of rice seeds; or 250-500 ml of 12% methylpyridine metalaxyl suspension seed coating agent, dilute to 1-2 liters with water, and stir to coat 100 kg of rice seeds Kg; or 11% fluorine ring • pyrrolidone • fine nail seed treatment suspending agent 300-400 ml, dilute with water to 1.5-2.5 liters, and stir to coat 100 kg of rice seeds; or 24.1% trifloxacin • isothiamine seed treatment suspending agent 1500-2500 ml, dilute with water to 1.5-3 liters, and stir 100 kg of coated rice seeds; or 100-150 ml of 4.23% nail cream•Seconazole microemulsion, dilute with 1-3 times water, and stir to coat rice seeds 100 kilograms; for areas with heavy occurrence of thrips, you can soak or dress seeds with imidacloprid, thiamethoxam, clothianidin, etc. For thrips, use 100-300 ml of 30% thiamethoxam suspension seed coating agent, Add 1-2.5 liters of water to dilute and then stir and coat 100 kg of rice seeds; or first soak the rice seeds to accelerate germination to whiteness, and then 200-400 ml of 600 g/L imidacloprid suspension seed coating agent to dilute and coat 100 kg of rice seeds; In areas where bacterial streaks, bacterial leaf blight and other bacterial diseases occur, demonstrate the application of trichloroisocyanuric acid, chlorobromoisocyanuric acid soaking or thiazole zinc seed dressing; for rice blast recurrence areas and their susceptible varieties, apply 24.1 %Xixibacteria•Isothiamine seed treatment suspending agent 1500-2500ml, add water to dilute to 1.5-3 liters, stir and coat 100 kilograms of rice seeds.
 
The second is to improve the quality of seed treatment. According to the pesticide label requirements, the concentration of the quasi-seed treatment agent must not be blindly increased or decreased to ensure the control effect; the soaking time of the agent must be guaranteed within 48-60 hours. After soaking, there is no need to panning, and direct seeding or shortening the buds. Sowing; pay attention to soaking evenly and soaking the rice seeds with the medicinal solution; 2/3 bags of the rice seeds when soaking the seeds to ensure that the seeds absorb enough water when the bag is turned over, and the seeds are often turned over to improve the soaking Effect: When machine-transplanted rice is soaked in batches, the waste liquid must not be reused to prevent the decrease of the concentration of the agent and the contamination of pathogens to reduce the control effect. When coating, the seeds should be fully mixed with the prepared liquid to ensure that the seeds are evenly coated. After drying, they should be germinated and planted or dried and then planted directly; vigorously demonstrate and promote special equipment for seed dressing (coating) and improve seed treatment quality.
 
The third is to adjust the temperature during the soaking period. Plastic tray centralized seedlings should properly lower the temperature during the seedling raising period to reduce the risk of germs during the budding stage; in dry seedling fields, it is forbidden to underlay or cover the rice straws to prevent reinfection of the rice straw with bacteria; avoid high temperature acceleration and sprout growth. Residual liquid medicine should not be poured in mulberry gardens, fish ponds and silkworm houses to avoid poisoning by fish, birds and silkworms. Seeds soaked in liquid medicine should not be eaten or used as feed.
 
3. Strengthen service guidance and increase coverage
 
Carrying out seed chemical treatment can not only effectively control seed-borne, soil-borne diseases and early pests and diseases, and cultivate strong seedlings, but also one of the important measures to effectively reduce the amount of pesticides and promote green prevention and control. April to May will be the main period for rice seedling raising. All localities should strengthen the guidance of seed treatment technology, especially pay close attention to the changes in the resistance of bakanae pathogens to prochloraz and other agents, and provide a basis for scientific guidance on the use of medicines. Through traditional media such as TV, radio, newspapers, and mobile apps such as agricultural technology, 12316 SMS, WeChat and other new media, the prevention and control technology should be delivered to thousands of households in a timely manner; it is necessary to strengthen the green, high-quality and high-efficiency demonstration film, and the production base of green high-quality agricultural products. Integrate the construction of export agricultural products bases, and demonstrate seed treatment technologies through demonstration platforms such as rice green prevention and control demonstration zones and agricultural-enterprise cooperation demonstration bases. Radiation drives the improvement of large-scale levels; training efforts should be increased and combined with the “scientific use of medicines” "Hundreds of thousands of special training activities to strengthen seed treatment technology training; to strengthen follow-up services, "face-to-face", "hands-on" popularize seed treatment technology, especially seed dressing and coating technology suitable for large-scale planting, strengthen the professional integration Anti-government service organizations, family farms, large-scale growers and other new agricultural business entities that focus on raising seedlings provide safe medication guidance, increase the coverage of seed treatment, and effectively control seed-borne diseases and seedling pests. It is necessary to increase the experimental demonstration of new seed treatment agents and technologies, strengthen cooperation with seed coating agent manufacturers, and actively screen out products and technologies suitable for local use.

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