| 早熟禾草坪中牛筋草的化学防除 |
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| 引用本文： | 武菊英,王庆海.早熟禾草坪中牛筋草的化学防除[J].草原与草坪,2004(3):36-38. |
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| 作者姓名： | 武菊英 王庆海 |
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| 作者单位： | 北京草业与环境研究发展中心,北京,100089;北京草业与环境研究发展中心,北京,100089 |
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| 摘 要： | 盆栽条件下研究了牛筋草(Eleusineindica)在早熟禾(Poapratensis)草坪不同生育期的防治效果及对早熟禾生长的影响。结果表明早熟禾出苗前,牛筋草在2～3叶期喷施草甘膦450mL/hm2,对牛筋草的防效达98%,该剂量对早熟禾的出苗和生长无不良影响。早熟禾4叶期以上,牛筋草3叶期时,使用坪绿6号600mL/hm2可有效防除牛筋草,防效达90.5%,但该剂量下对早熟禾生长有抑制作用。添加助剂SDP,OP 10和PPJ 15可显著提高坪绿6号对牛筋草的防除效果,对坪绿6号低剂量(150L/hm2)的提高幅度,高于对高剂量的(300和600mL/hm2)。已经成坪的早熟禾中,在牛筋草出苗前,喷施坪绿5号3000mL/hm2,在30d内对牛筋草的防效达87%～92%,对早熟禾生长无不良影响。
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| 关 键 词： | 牛筋草 早熟禾 杂草防除 |
| 文章编号： | 1009-5500(2004)03-0036-03 |
| 修稿时间： | 2003年11月29 |
Chemical control of Eleusine indica in Poa pratensis turf |
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| WU Ju-ying,WANG Qing-hai Beijing Research and Development Center for Grass and Environment,Beijing ,China.Chemical control of Eleusine indica in Poa pratensis turf[J].Grassland and Turf,2004(3):36-38. |
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| Authors: | WU Ju-ying WANG Qing-hai Beijing Research and Development Center for Grass and Environment Beijing China |
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| Institution: | WU Ju-ying,WANG Qing-hai Beijing Research and Development Center for Grass and Environment,Beijing 100089,China) |
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| Abstract: | The control efficacy of Eleusine indicaby herbicides wasconducted and the response of Poa pratensisseedlings to these herbicideswas observed as well. The results indicated that the control efficiencyreached 98% by applying glyphosate at 450ml/ha at 3-leaf stage of Eleusine indicawithout injury to Poa seedlings. Eleusine indica could be well-controled (90.5%) by Pinglu 6 at 600 mL/hm~2 of application rate when Eleusine indica was at 3-leaf stage and Poa pratensis was at 4-leaf stage. However, it resulted in serious injury to Poa pratensis. Theadjuvants (SDP, OP-10 and PPJ-15) could increase the efficiencyof Pinglu6. |
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| Keywords: | Eleusine indica Poa pratensis turfgrass weed control |
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