SI Zhao-sheng,WANG Chun-rong,CHEN Ji-guang,et al.Trend Analysis of Weed Succession in Paddyin Heilongjiang Province[J].HEILONGJIANG AGRICULTURAL SCIENCES,2010,(10):66-69.
黑龙江省水田杂草及其群落变化趋势分析
- Title:
- Trend Analysis of Weed Succession in Paddyin Heilongjiang Province
- 文章编号:
- 1002-2767(2010)10-0066-04
- Keywords:
- paddy; weed; community; succession
- 分类号:
- S451.1
- 文献标志码:
- A
- 摘要:
- 采用倒置“W”9点取样与田间普查和定点系统监测相结合的方法对黑龙江省水稻田主要杂草发生种类、密度、出现频率、危害指数及不同群落出现频率进行调查。结果表明:目前黑龙江省水田杂草群落组成主要有稗草、稻稗、三棱草、狼巴草、野慈菇、浮萍、牛毛草、雨久花、小茨藻、芦苇、眼子菜、剪股颖、稻李氏禾、萤蔺、泽泻、针蔺等。主要杂草群落为稗草+稻稗+三棱草,部分地区狼巴草及野慈菇等群落突出。全省水田杂草群落划分为三江平原地区、东南部地区、中南部地区、西部地区、北部地区群落。
- Abstract:
- The major weed species,density and occurrence frequency,harm index,frequency of community occurrence in paddy in Heilongjiang province were surveyed by the way of inversing “W” shape 9 point sampling and field general investigation,fixed-point system monitoring.The results showed that the weed community was mainly consisted of Echinochloa crus-galli P.Beauv.,Echinochloa oryaicola Vasing,Scirpus triqueter L.,Bidens tripatita L.,Sagittaria sagittifolia L.,Lemna minorL.,Eleocharis yokoscensis,etc.The major weed communities were Echinochloa crusgalli P.Beauv.,Chinochloa crusgalli P.Beauv.and Scirpus triqueter L..The communities of Sagittaria sagittifolia L.and Bidens tripatita L.were major weed community in somewhere.The whole weed community in paddy in Heilongjiang could be divided into five districts,such as Sanjiang Plain part,Southeast part,South-central part,West part and North part.
参考文献/References:
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备注/Memo
第一作者简介:司兆胜(1977-),男,黑龙江省哈尔滨市人,硕士,农艺师,从事农作物病虫害的预测预报工作。E-mail:sizs03@yahoo.com.cn。