新疆拜城冬小麦地主要杂草类型与不同轮作方式杂草种类调查  

A Survey of Weeds in Winter Wheat under Different Rotations in Baicheng County,Xinjiang

作　　者：席琳乔[1] 刘慧[1] 景春梅[1] 杨晶龙 马春晖[1] 

机构地区：[1]新疆生产建设兵团塔里木畜牧科技重点实验室/塔里木大学动物科学学院,新疆阿拉尔843300

出　　处：《杂草科学》2014年第2期20-22,共3页Weed Science

基　　金：现代农业产业技术体系建设专项(编号:CARS35-44);兵团塔里木畜牧科技重点实验室项目(编号:HS201212);校长基金(编号:TDZKSS201303)

摘　　要：采用对角线5点取样法调查新疆拜城地区冬小麦田杂草发生情况,结果表明:该地区冬小麦地有杂草16科41种,一年生杂草占60.98%,多年生杂草占39.02%,优势杂草为无芒稗、狗尾草、藜,其密度分别为120.7、32.6、14.1株/m2;冬小麦—青贮玉米、冬小麦—草木樨能够抑制冬小麦地杂草的发生,其中冬小麦套种草木樨抑制杂草效果极显著(P<0.01)。Occurrence of weeds in winter wheat fields was determined by a diagonal five - point sampling in Baicheng region of Xinjiang. There were 41 weed species from 16 families in winter wheat fields of this region,with annual weeds and herbaceous perennials accounting for 61% and 39%, respectively. Dominant species were Echinochloa crusgalli, Setaira viridis ,and Chenopodium glaucum at densities of 121,33 and 14 plants/m^2 respectively. Winter wheat - silage corn and winter wheat - sweet clover rotations decreased the occurrence of winter wheat weeds;winter wheat interplanting with sweet clover substantially decreased weed infestations （ P 〈 0.01 ）.

关 键 词：冬小麦 杂草 轮作方式 套种 草木樨 调查 

分 类 号：S451[农业科学—植物保护]