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机构地区:[1]塔里木大学植物科技学院,新疆阿拉尔843300
出 处:《安徽农业科学》2008年第7期2819-2820,2986,共3页Journal of Anhui Agricultural Sciences
摘 要:采用等距取样法对新疆南部棉区棉田杂草进行了调查,结果表明:新疆南部棉田杂草有16科42种,其中禾本科杂草占16.7%,阔叶杂草占80.9%,莎草科杂草占2.4%,1年生杂草占57.1%,多年生杂草占42.9%;稗草、扁秆草、田旋花、灰绿藜为新疆南部棉田优势杂草,芦苇为棉田主要杂草。The cotton field weeds in southern Xinjiang were surveyed by using equidistant sampling method.The results showed that there were 42 weed species,16 families in cotton fields in southern Xinjiang,in which,Gramineae weed was 16.7%,broad leaf weed 80.9% and Cyperaceae weed 2.4%;annual grass and perennial grass made up 57.1% and 42.9% resp.Among them,Echinochloa crusgalli,Scirpus planiculmis,Convolvulus arvensis and Chenopodium glaucum were dominance weeds in cotton fields in southern Xinjiang,while Phragmites communis was main weeds in cotton fields.
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