CAJ | 학술논문

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）。
채용대각선5점취양법조사신강배성지구동소맥전잡초발생정황，결과표명：해지구동소맥지유잡초16과41충，일년생잡초점60．98％，다년생잡초점39．02％，우세잡초위무망패、구미초、려，기밀도분별위120．7、32．6、14.1주/m2；동소맥-청저옥미、동소맥-초목서능구억제동소맥지잡초적발생，기중동소맥투충초목서억제잡초효과겁현저（P＜0．01）。
Occurrence of weeds in winter wheat fields was determined by a diagonal five -point sampling in Baicheng re-gion 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/m2 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).