HUANG Yuan-ju,PIAO De-wan,BAI Hong-song,et al.Experiment on Weed -control in Direct -planting Rice Fields with DE-638[J].HEILONGJIANG AGRICULTURAL SCIENCES,2005,(04):17-19.[doi:10.11942/j.issn1002-2767.2005.04.0017]
DE -638 防除水稻直播田杂草试验
- Title:
- Experiment on Weed -control in Direct -planting Rice Fields with DE-638
- 文章编号:
- 1002 -2767(2005)04 -0017 -03
- Keywords:
- DE -638 ; w eeds ; di rect -planting rice fields ; w eed -cont rdl ef fect
- 分类号:
- S451 .21
- 文献标志码:
- A
- 摘要:
- 2002 ～ 2003 年进行了2 .5 %DE -638 OD 防除直播稻田杂草效果及对水稻安全性的田间小区试验。结果表明, 2 .5 %DE -638 OD 对直播稻田杂草防效较好, 施药适期长, 持效期长, 在有效防除直播稻田稗草的同时, 还可有效的防除雨久花、狼巴草等阔叶杂草, 并对水稻安全, DE -638 适宜的施药剂量为22 .5 ～ 37 .5 g .ai/hm2 , 适宜的施药方法为喷雾法。
- Abstract:
- The ex periment on w eed -co nt rol and safety to rice of 2 .5 %DE -638 OD in direct - planting Rice Fields was conducted during 2002 and 2003 .The re sult s show ed that 2 .5 %DE -638 OD had g ood ef fect on w eed -co ntro l .the suitable application period and the residual ef fect w as longer .The herbicide could effedt ively cont ro l ba rnyardgrass , at the same time it co uld effeet ively cont rol broad -leaf weeds such as Arrow leaf Monocho ria , Bur Beg gart icks etc .DE -638 w as safe to rice plant .The suitable do sage i s DE -638 15 ～ 37 .5g .ai/hm2 and the suitable method i s by spray .
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备注/Memo
收稿日期:2005 -01 -25
第一作者简介:黄元炬(1972 -), 男, 辽宁盖县人, 助研, 主要从事除草剂及杂草防除研究。