| 宜宾市烟田杂草的发生及危害调查 |
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| 引用本文： | 赵浩宇,;向金友,;谢冰,;张吉亚,;杨懿德,;杨洋,;周小刚.宜宾市烟田杂草的发生及危害调查[J].杂草科学,2014(4):20-23. |
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| 作者姓名： | 赵浩宇 ;向金友 ;谢冰 ;张吉亚 ;杨懿德 ;杨洋 ;周小刚 |
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| 作者单位： | [1]四川省农业科学院植物保护研究所/农业部西南作物有害生物综合治理重点实验室,四川成都610066; [2]四川省烟草公司宜宾市公司,四川宜宾644002 |
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| 基金项目： | 四川省烟草公司科技项目[编号：川烟科（2013）4号]. |
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| 摘 要： | 采用倒置“W”九点取样法对四川省宜宾市烟田杂草的种类、分布及危害进行调查。结果表明，宜宾市烟田杂草共有33科94属124种，其中发生频度较高的为马唐、铁苋菜、辣子草、尼泊尔蓼、马兰、艾蒿。根据相对多度和杂草危害级值划分，宜宾市烟田危害最严重杂草为马唐、尼泊尔蓼、空心莲子草、无芒稗和鸭跖草。
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| 关 键 词： | 宜宾市 烟田 杂草 种类 危害 |
Occurrence and Impact of Weeds in Tobacco Fields in Yibin |
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| Institution: | ZHAO Hao-yu, XIANG Jin-you, XIE Bing, ZHANG Ji-ya, YANG Yi-de, YANG Yang, ZHOU Xiao-gang (1.Institute of Plant Protection, Sichuan Academy of Agricultural Sciences/Key Laboratory of Integrated Pest Management on Crops in Southwest, Ministry of Agriculture, Chengdu 610066, China; 2. Yibin Branch Company, Sichuan Tobacco Corporation, Yibin 644002, China) |
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| Abstract: | Species,distribution and damage of weeds were surveyed by sampling nine plots according to a“W” pattern in tobacco fields in Yibin.A total of 124 weeds belonging to 121 genera of 33 families composed the high frequency flora—Digitaria sanguinalis （ L.） Scop.,Acalypha australis L.,Galinsoga parviflora Cav.,Polygonum nepalense Meisn.,Kalim-eris indica （ L.） Sch.-Bip.and Artemisia argyi Levl.et Vant.The most serious weeds according to their relative abun-dance and level of infestation to crops were D.sanguinalis,P.nepalense,Alternanthera philoxeroides （ Mart.） Griseb, Echinochloa crus-galli （ L.） and Commelina communis L.. |
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| Keywords: | Yibin tobacco field weeds species damage |
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