27%戊唑·噻霉酮SC防治小麦赤霉病的效果研究

Study on the Effect of 27% Tebuconazole·Benziothiazolinone SC on Wheat Scab

采用27%戊唑·噻霉酮SC按照162.0、202.5、243.0、324.0 g/hm^2的剂量防治小麦赤霉病,结果表明27%戊唑·噻霉酮SC是防治小麦赤霉病的较好药剂,对小麦生长安全,同时对小麦锈病兼防效果显著,值得推广使用。选择27%戊唑·噻霉酮SC防治小麦赤霉病时,建议施用剂量为202.5～243.0 g/hm^2,对水量450 L/hm^2均匀喷雾小麦穗部,在小麦始花期(约5%左右开花)施药保护,第1次药后5～7 d补防1次。

27% tebuconazole·ben- ziothiazolinone SC was used to control wheat scab at the doses of 162.0, 202.5, 243.0, 324.0 g/hm2. The results showed that 27% pendazole thiamethoxone SC had good control effect on wheat scab and wheat rust, and was safe for wheat growth, which was worth popularizing. 27% tebuconazole · benziothiazolinone SC had a better effect by spray with dosage of 202.5 to 243.0 glhm2 adding water 450 Llhm2 at the beginning stage of wheat flowering （bloom about 5%）. And 5-7 days after the first spaying, the pesticide was needed to spay again.