摘要
[目的]比较不同药剂对水稻生长后期病害的防治效果。[方法]用清水作对照,采用50%咪鲜胺WG、75%拿敌稳WG、好力克430g/LSC和爱苗300g/LEC进行防治稻瘟病、稻曲病、谷粒黑粉病和纹枯病的对比试验。[结果]4种药剂均对水稻后期病害有一定的防效。其中以好力克430g/LSC防治穗瘟病和谷粒黑粉病的效果最好,防效分别达81.10%和66.50%;75%拿敌稳WG对稻曲病和纹枯病的防治效果最好,防效分别达91.80%和59.90%。[结论]75%拿敌稳WG对水稻后期病害的综合防治效果最好。
[Objective] The aim was to compare the control effects of several fungicides on rice diseases at later stage. [Method] With water as the control, the compared experiment on controlling rice blast, rice false smut, rice kernel smut and sheath blight was conducted by using 50% prochloraz EC, 75% oxime bacteria tebuconazole WG, horizon 430 g/L SC and 300 g/L armure EC. [Result] Four fungicides all had certain control effects on rice diseases at later stage. Among them, horizon 430 g/L SC got the best control effect on rice blast and rice kernel smut, and the control effect was 81.10% and 66.50% respectively. 75% oxime bacteria tebuconazole WG got the best control effect on rice false smut and sheath blight, and the control effect was 91.80% and 59.90% respectively. [Conclusion] The comprehensive control effect of 75% oxime bacteria tebuconazole WG on rice diseases at later stage was the best.
出处
《园艺与种苗》
CAS
2011年第6期90-92,共3页
Horticulture & Seed
关键词
水稻
病害
药剂
防效
Rice
Disease
Fungicide
Control effect
