LI Yan,HAN Zhi-qiang,WANG Shu-jie.Screening of Herbicide Complex Formula of MalignantWeeds in Paddy Field[J].HEILONGJIANG AGRICULTURAL SCIENCES,2008,(03):78-81.[doi:10.11942/j.issn1002-2767.2008.03.0078]
稻田恶性杂草防除药剂配方的筛选
- Title:
- Screening of Herbicide Complex Formula of MalignantWeeds in Paddy Field
- 文章编号:
- 1002-2767(2008)03-0078-04
- Keywords:
- rice ; malig nant w eed; he rbicide screening
- 分类号:
- S451 .21
- 文献标志码:
- A
- 摘要:
- 杂草是目前严重影响水稻生产的主要障碍。经田间药效试验确定了37 .5%苯·二甲水剂的适用剂量为:防治扁秆藨草、日本藨草、藨草等恶性杂草为3 000～ 3 750 m L·hm-2 ;防治鸭舌草、慈菇、泽泻、谷精草和狼巴草等一般阔叶杂草则为2 250 mL·hm-2 , 施药适期是在杂草出齐后开花前排水喷雾茎叶处理, 对水稻安全。对扁秆藨草、日本藨草和藨草的防效达98 %～ 100%。
- Abstract:
- Currently , various weeds in paddy field are the main serio us obstacles fo r rice production.From contro l effectexperiment in paddy field , it showed that the suitable dosag es of 37.5% bentazon·MCPA AC were 3 000 ～ 3 750 mL·hm-2 to contro l which were underground stem tuber perennial roo t malig nant weeds in paddy field such as Japanese bulrush, flatstalk-bulrush, bulrush, rush-like bulrush, cattail etc;2 250 mL·hm-2 to control general broad-leaf weeds such assheathded monochoria , arrowhead, oriental water plantain , Arenaria serpy llifolia and Bidens tripar tita etc.Preferable applicationshould spay the stem and leaf with w ater fog after weeds grow up and before bloom .It was safe to rice .The controleffect was up to 98 %～ 100% to Japanese bulrush , flatstalk-bulrush, bulrush, etc.
参考文献/References:
[ 1] 王平, 赵广鹏, 潘胜利.黑龙江垦区稻田主要杂草种类及发生规律[ J] .现代化农业, 2004(4):4-6 .
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备注/Memo
第一作者简介:李彦(1973-), 女, 黑龙江省肇东市人, 农艺师, 从事农业技术推广工作。E-mai l:zdnw lb @163 .com 。