LIU Yang,ZHAO Xiumei,WANG Lida,et al.Control Effects of Dual Measures of Seed Coating and Soaking on Rice Bakanae Disease[J].HEILONGJIANG AGRICULTURAL SCIENCES,2024,(06):37-41.[doi:10.11942/j.issn1002-2767.2024.06.0037]
种子包衣再浸种双重措施对水稻恶苗病的防治效果
- Title:
- Control Effects of Dual Measures of Seed Coating and Soaking on Rice Bakanae Disease
- 文章编号:
- 7
- Keywords:
- rice bakanae disease; seed coating; seed soaking; control effect; safety
- 文献标志码:
- A
- 摘要:
- 为了缓解黑龙江省局部地区水稻恶苗病病害的加重态势，探寻种子包衣+浸种双重处理应用于水稻恶苗病防治的可行性，选用5%精甲·咯·嘧菌FS、62.5 g·L-1精甲·咯菌腈FSC种子包衣，然后用氰烯菌酯浸种，进行田间小区探索试验。结果表明，5%精甲·咯·嘧菌FS、62.5 g·L-1精甲·咯菌腈FSC种子包衣+25%氰烯菌酯SC浸种的双重处理对水稻出苗及生长安全，可以显著增强秧苗素质，对水稻恶苗病的平均防治效果达98.47%～100.00%，显著高于单一种子包衣或单一浸种处理。说明种子包衣再浸种双重处理是提高水稻恶苗病防效的有效措施，生产上，优先推荐5%精甲·咯·嘧菌FS 1 000 mL·（100 kg）-1种子包衣+25%氰烯菌酯SC 2 000倍液浸种，其次推荐62.5 g·L-1精甲·咯菌腈FSC 400 mL·（100 kg）-1种子包衣+25%氰烯菌酯SC 2 000倍液浸种，5%精甲·咯·嘧菌FS 750 mL·（100 kg）-1种子包衣+25%氰烯菌酯SC 2 000倍液浸种，感病品种或带菌种子建议提高施用剂量。
- Abstract:
- In order to alleviate the aggravation of rice bakanae disease in some areas of Heilongjiang Province, the feasibility of seed coating + soaking double treatment applied to the prevention and control of rice bakanae disease was explored. In this study, 5% Metalaxyl-M·fludioxonil·azoxystrobin FS and 62.5 g · L-1 Metalaxyl-M·fludioxonil FSC seeds were selected for seed coating, and then the seeds were soaked with cyanobacterium ester for field exploration experiments.The results showed that 5% Metalaxyl-M·fludioxonil·azoxystrobin FS or 62.5 g·L-1 Metalaxyl-M·fludioxonil FSC seed coating + 25% Phenamacril SC double treatment for rice seedling emergence and growth safety can significantly enhance seedling quality, the average control effect onrice bakanae disease reached 98.47% to 100.00%, significantly higher than a single seed coating or single dip treatment, seed coating dip double treatment is an effective measure to improve the effect of rice bakanae. In production, Priority recommendation 5% Metalaxyl-M·fludioxonil·azoxystrobin FS 1 000 mL·(100 kg)-1 seed + 25% Phenamacril SC 2 000 solution, Secondly recommendation 62.5 g· L-1 Metalaxyl-M·fludioxonil FSC 400 mL·(100 kg)-1 seed + 25% Phenamacril SC 2 000 solution,5% Metalaxyl-M·fludioxonil·azoxystrobin FS 750 mL·(100 kg)-1 seed + 25% Phenamacril SC 2 000 solution. It is recommended to increase the application dosage for susceptible varieties or infected seeds.
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备注/Memo
收稿日期：2024-04-01