甘肃省平凉市全膜双垄沟播玉米田杂草种类及主要群落类型  

Species and main community structure of weeds in corn field with full-film mulching and double-furrow planting in Pingliang City,Gansu Province

作　　者：岳德成 姜延军 史广亮 漆永红[2] 胡冠芳[2] 杨发荣[3] 李敏权[4] 

机构地区：[1]甘肃省平凉市农业科学研究所,平凉744000 [2]甘肃省农业科学院植物保护研究所,兰州730070 [3]甘肃省农业科学院畜草与绿色农业研究所,兰州730070 [4]甘肃省农业科学院,兰州730070

出　　处：《植物保护》2015年第3期159-164,共6页Plant Protection

基　　金：甘肃省科技支撑计划项目(1011NKCA065);公益性行业(农业)科研专项(201303022)

摘　　要：对平凉市全膜双垄沟播玉米田杂草种类、优势种、主要群落类型及分布特点进行了系统调查。结果表明,平凉市全膜双垄沟播玉米田杂草种类有96种,隶属34科,以一年生杂草为主,占66.67%,多年生杂草种类较少,占33.33%;草本杂草种类繁多,占93.75%,木本杂草稀少,占6.25%。全市优势杂草有藜、狗尾草、反枝苋、马唐、刺儿菜、苣荬菜和冰草7种,杂草优势种在县城间存在明显差异。全市杂草群落主要存在6种类型,各群落类型出现频率均在30%以上。Weed species, dominant species, main community structure and distribution characteristics were sur- veyed in corn field with full-film mulching and double-furrow planting in Pingliang City, Gansu Province. The re- suits showed that there were 96 weed species, which belonged to 34 families. Among these species, annual weed accounted for 66.67%, while perennial weed reached to 33.33%. Herbaceous weed accounted for 93.75%, while woody weed only reached to 6.25%. Seven weed species were considered as dominant weeds. There were 6 community structures, with occurrence frequency of over 30%.

关 键 词：平凉市 全膜双垄沟 玉米田 杂草种类 群落结构 

分 类 号：S451.0[农业科学—植物保护]