Anatomical and physiological differences of eight species from Asteraceae期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Anatomical and physiological differences of eight species from Asteraceae

Authors:	Yang Fengjian Zhang Zhonghu Wang Wenjie Zu Yuangang Chen Huafeng Jia Jing Guan Yu Zhang Naijing

Affiliation:	1. Research Ecologist, U.S. Department of Agriculture (USDA)-Agricultural Research Service Eastern Oregon Agricultural Research Center, Burns, OR 97720, USA;2. Education/Outreach Project Coordinator, U.S. Department of Agriculture (USDA)-Agricultural Research Service Eastern Oregon Agricultural Research Center, Burns, OR 97720, USA;3. Weed Scientist, U.S. Department of Agriculture (USDA)-Agricultural Research Service Eastern Oregon Agricultural Research Center, Burns, OR 97720, USA;4. Research Leader, U.S. Department of Agriculture (USDA)-Agricultural Research Service Eastern Oregon Agricultural Research Center, Burns, OR 97720, USA;1. CONACyT-Instituto de Ecología, A.P. 70-275, Universidad Nacional Autónoma de México, 04510 México, CDMX;2. Instituto de Ecología, A.P. 70-275, Universidad Nacional Autónoma de México, 04510 México, CDMX

Abstract:	Eight exotic species of asteraceae widely distributed in China were studied, which included 6 kinds of invasive species. The results showed that invasive species are more advanced than noninvasive species in modes of dissemination. At the same time, there was no significant difference between invasive species and noninvasive species through hormone content, tannin content and germination of air-dried seeds.

Keywords:	Invasive character tannin germination hormone spread sexual dissemination apparatus
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