贵阳市花溪地区狼尾草地的杂草种类调查  

Weed Species in Pennisetum alopecuroides Meadow in Huaxi District,Guiyang

作　　者：杨勇[1] 张菊[1] 王威力[2] 王平[1] 袁莉[2] 徐刚[1] 黄剑[1] 

机构地区：[1]教育部绿色农药与农业生物工程重点实验室贵州大学精细化工研究开发中心,贵州贵阳550025 [2]贵州大学生命科学学院,贵州贵阳550025

出　　处：《贵州农业科学》2015年第4期92-94,共3页Guizhou Agricultural Sciences

基　　金：贵州省科技厅社会发展攻关项目"石漠化高寒地区优质杂交狼尾草丰产栽培示范集成"(20143038)

摘　　要：为了解贵阳市花溪地区狼尾草地的杂草发生情况,为其杂草防除提供依据,采用倒"W"9点取样法对其进行调查。结果表明:狼尾草地的杂草共有13科33种。其中,菊科最多,有14种,占42.42%;禾本科、苋科、唇形花科分别有5种、3种和2种,各占15.15%、9.09%和6.06%;其余科各1种,各占3.03%。相对多度>5%的优势杂草有苣荬菜、辣子草、马唐、莶、鬼针草、艾草、宝盖草、莎草、狗尾巴草、剪刀股、藜、半夏、山苦荬、辣椒、一年蓬、酢浆草、荠菜、小蓟、马兰、野苋和何首乌。其中,苣荬菜、辣子草、马唐和莶为当地狼尾草地的优势种群。Weed species in P .alopecuroides meadow were investigated by using the inverted W-pattern with 9 sampling method to understand weed occurrence status in P .alopecuroides meadow in Huaxi District,Guiyang.The results showed that there are 33 species of weeds belonged to 13 families,and 14 Asteraceae weeds, 5 Gramineae weeds, 3 Amaranthaceae weeds and 2 Labiatae weeds account for 42.42%,15.15%、9.09% and 6.06% respectively.Dominant weeds with relative abundance 〉5% are Sonchus brachyotus ,Galinsoga parviflora , Digitaria sanguinalis , Siegesbeckia orientalis , Bidens pilosa ,Artemisia argyi ,Lamium amplexicaule ,Cyperus rotundus ,Setaira viridis ,Ixeris debilis , Chenopodium album ,Pinellia ternate ,Ixeris chinensis ,Capsicum frutescens ,Reigeron annuus ,Oxalis corniculata ,Capsella bursa-pastoris ,Cirsium segetum ,Var .indica,Amaranthus viridis and Fallopia multiflora .S.brachyotus,G.parviflora,D.sanguinalis and S.orientalis,are dominant populations in local P .alopecuroides meadow.

关 键 词：狼尾草 杂草 优势种 花溪 贵阳 贵州 

分 类 号：S544.3[农业科学—作物学]