LI Zihao,LAN Ying,LI Qingchao,et al.Control Effects of Prothioconazole and Its Compound Preparations on Maize Northern Leaf Blight[J].HEILONGJIANG AGRICULTURAL SCIENCES,2025,(03):28-32.[doi:10.11942/j.issn1002-2767.2025.03.0028]
丙硫菌唑及其复配制剂对玉米大斑病的防治效果
- Title:
- Control Effects of Prothioconazole and Its Compound Preparations on Maize Northern Leaf Blight
- 文章编号:
- 5
- Keywords:
- prothioconazole; maize; northern leaf blight; control effect; safety
- 文献标志码:
- A
- 摘要:
- 为探索可以有效防治玉米大斑病且对玉米生长安全的新型杀菌剂，采用田间小区试验研究了丙硫菌唑及其复配制剂对玉米生长的安全性及对大斑病的防治效果。结果表明，在试验剂量范围内施用丙硫菌唑250 DC、67.5%硫磺·丙硫菌唑SC、丙硫菌唑·嘧菌酯360 SC玉米安全性良好，并且有增强作物长势的作用，增产率达10.0%~12.5%；玉米大斑病发病初期喷施，对大斑病的防治效果在80%~100%，并且持效期长。推荐使用丙硫菌唑250 DC制剂量32.0~37.3 mL·（667 m2）-1、67.5%硫磺·丙硫菌唑SC制剂量133.3~186.7 mL·（667 m2）-1、丙硫菌唑·嘧菌酯360 SC制剂量 33.3~46.7 mL·（667 m2）-1防治玉米大斑病，感病品种或上年发病严重的地块可以提高用量，但要注意药剂轮换使用。
- Abstract:
- In order to explore the safety of maize growth, the new fungicide can effectively prevent and control maize northern leaf blight. The safety of prothioconazole and its compound preparation was studied in field plots. The results showed that, Prothioconazole 250 DC, 67.5% sulfur·prothioconazole SC, and prothioconazole. azoxystrobin 360 SC were safe for maize growth in the test dose range, and it has the effect of enhancing maize growth, the yield increase rate reached 10.0%-12.5%; Spray at the initial stage of maize northern leaf blight, effect ranged in 80% to 100%, and long validity period. Recommended to use prothioconazole 250 DC dose 32.0-37.3 mL·（667 m2）-1, 67.5% sulfur·prothioconazole SC dose 133.3-186.7 mL·（667 m2）-1, prothioconazole. azoxystrobin 360 SC dose 33.3-46.7 mL·（667 m2）-1 prevention of maize northern leaf bligh, high amount of susceptible varieties or plots with severe disease in the previous year, note the use of the agent in rotation.
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备注/Memo
收稿日期：2024-12-09