摘要
利用7级目测法调查了都匀市丘陵旱地耕作地30个样点的夏季杂草优势度级,并以其重要值为指标,对30个样点的杂草群落进行聚类分析。结果表明,夏季杂草共有25科92种,每个样点杂草种类均多种,杂草群落可分为猪殃殃-大巢菜-早熟禾、猪殃殃-大巢菜-看麦娘、繁缕-波斯婆婆纳-马唐、卷耳-牛繁缕、小白酒草-卷耳-繁缕5个群落型。
Thirty random sampling sites were surveyed with 7 scales to study weed dominance on dry-land fields in hilly in summer in Duyun area. Based on the 20 main weeds, the weeds community of 30 sites were analyzed by cluster analysis. The results showed that 25 families with 92 species of weeds in summer in Duyun area, and the weeds was divided into 5 weed community groups, which including Calium aparine - Vicia sativa- Poa annua, Calium aparin- V icia sativa- A lopecurus aequalis, Stellaria media- Veronica persica- Digitaria sanguinolis, Cerastium arvense - Malachium aquaticum and Conyza Canadensis - Cerastium arvense - Stellaria media.
出处
《安徽农业科学》
CAS
北大核心
2008年第8期3289-3291,共3页
Journal of Anhui Agricultural Sciences
基金
黔南民族师范学院资助项目(06Y27)资助
关键词
杂草群落
聚类分析
都匀地区
Weed community
Cluster analysis
Duyun area
