甘肃河西地区农田外来杂草调查和危害评价

作物杂志,2013, 第1期: 120–123

甘肃河西地区农田外来杂草调查和危害评价

陈叶¹, 高海宁¹, 郑天翔¹, 张勇^{1, 2}

1 河西学院农业与生物技术学院, 734000, 甘肃张掖; 2 河西学院绿洲农业与河西生态研究院, 734000, 甘肃张掖

收稿日期:2012-09-29 接受日期:2012-11-25 出版日期:2013-02-15 发布日期:2018-08-25

Investigation and Hazard Evaluation on the Alien Plants of Farmland in Hexi Region of Gansu Province

Chen Ye¹, Gao Haining¹, Zheng Tianxiang¹, Zhang Yong¹,

1 College of Agriculture and Biotechnology of Hexi University, Zhangye 734300, Gansu; 2 Hexi Ecological and Oasis Agricultural Research Institute of Hexi University, Zhangye 734300, Gansu, China

Received:2012-09-29 Accepted:2012-11-25 Online:2013-02-15 Published:2018-08-25

摘要/Abstract

摘要： 调查表明，甘肃河西地区有外来杂草40种，隶属16 科32 属。外来杂草以禾本科、豆科、菊科、苋科、藜科等少数几个科为主，共计25种，占总数的62. 5%。调查发现原产地为欧洲的杂草种类最多，有19 种，占入侵杂草的47. 5%。其入侵方式以无意引入为主，有24 种，占入侵杂草的60. 0%。从危害程度上看，藜、反枝苋、田旋花、曼陀罗、狗尾草、稗草危害最重。目前还没有发现对甘肃河西地区的生态安全构成严重危害的杂草。建议在引种植物中，针对性地开展基础研究，加强检疫和宣传，提高防范意识和保护生物多样性意识，建立外来植物的预警机制，预防入侵植物带来的不必要损失。调查表明，甘肃河西地区有外来杂

Abstract: The survey shows that: there are 40 species of alien plants, belong to 16 families 32 genera in Hexi Region of Gansu Province. There is mainly include Gramineae, Leguminosae, Compositae, Amaranthaceae, Chenopodiaceae and a few main section, A total of 25 species, accounted for 62. 5% of the total number. The most is the origin of European weed species, there is 19 species, accounted for 47. 5% of the alien plants. The main introduction of alien plants is artificially introduced intentionally, accounted for 60. 0% of the alien plants. The most harm species are Quinoa, Amaranthus, Convolvulus arvensis, Datura, Setaria, barnyard grass. There is no serious hazard weed to ecological security in Hexi area of Gansu. The Suggestions is that should in view of the basic research, strengthen quarantine and publicity, raise awareness of prevention and protection of biological diversity, establishment early warning mechanism of exotic plants, prevent the unnecessary loss of invasive plants.

陈叶, 高海宁, 郑天翔, 张勇^{1, 2}. 甘肃河西地区农田外来杂草调查和危害评价[J]. 作物杂志, 2013 (1): 120–123

Chen Ye, Gao Haining, Zheng Tianxiang, Zhang Yong. Investigation and Hazard Evaluation on the Alien Plants of Farmland in Hexi Region of Gansu Province[J]. Crops, 2013(1): 120–123

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