WANG Xue-shun,ZHAO Chang-shan,CAO Yan-ming.Field Efficacy Trials of 30% Oxaziclomefone SC on Weeds in Dry Rice-nursery in Cold Area[J].HEILONGJIANG AGRICULTURAL SCIENCES,2013,(07):57-59.
30%恶嗪草酮悬浮剂对寒地水稻旱育秧田杂草的田间药效试验
- Title:
- Field Efficacy Trials of 30% Oxaziclomefone SC on Weeds in Dry Rice-nursery in Cold Area
- 文章编号:
- 1002-2767(2013)07-0057-03
- Keywords:
- cold area; rice; dry rice-nursery; weeds; control effect
- 分类号:
- S451.21
- 文献标志码:
- A
- 摘要:
- 为了探索适合寒地水稻旱育秧田的新型封闭除草剂品种,进行了寒地水稻旱育秧田杂草防除效果和水稻安全性研究。结果表明:30%恶嗪草酮悬浮剂180~450 mL.hm-2对寒地水稻旱育秧田禾本科杂草的防效较好,药后25 d株防效均在90%以上;但当使用剂量在300 mL.hm-2以上时,水稻生长出现不良现象,从防除效果和水稻的安全性两方面考虑,建议30%恶嗪草酮悬浮剂在水稻旱育秧田播种覆土后使用低剂量12 mL.hm-2为宜。
- Abstract:
- In order to explore new closed herbicides which suitable for cold rice-nursery,the control effect on weeds and safety on rice of dry rice-nursery in cold area were studied.The results showed that:the control effect of 30% Oxaziclomefone SC for gramineous weeds was better when the concentration was between 180 and 450 mL.hm-2,the control effect was more than 90% after 25 days,but it was unhealthy for rice when the concentration was up to 300 mL.hm-2.Considered the control effect and safety of rice,it is advisable to use the low dose-180 mL.hm-2for 30% Oxaziclomefone SC of dry rice-nursery in cold area.
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备注/Memo
收稿日期:2013-03-11
第一作者简介:王学顺(1981-),男,山东省沂水县人,学士,初级农艺师,从事植物保护研究。E-mail:wxs123_@126.com。