Arid
DOI10.17129/botsci.522
Differential allelopathy between genders of an invasive dioecious tree on desert plants
Avendano-Gonzalez, Marcela1; Badano, Ernesto I.1; Ramirez-Albores, Jorge E.1; Flores, Joel1; Flores-Cano, Jorge A.2
通讯作者Badano, Ernesto I.
来源期刊BOTANICAL SCIENCES
ISSN2007-4298
EISSN2007-4476
出版年2016
卷号94期号:2页码:253-262
英文摘要

The Peruvian peppertree (Schinus molle) is a dioecious species from South America that was introduced into central Mexico five centuries ago. This tree has invaded abandoned agricultural fields from semiarid regions, where it can be found with several native succulent plants that have recolonized these areas. Although peppertrees have negative allelopathic effects on crops, their effects on these native plants remain unknown. Indeed, the allelopathy of peppertrees has only been tested for female individuals, while the allelopathic potential of male peppertrees has not been assessed yet. This study focused on these issues and assessed whether peppertrees affect germination of succulent plants from the Chihuahuan Desert and whether these effects differ between male and female trees. For this we conducted a series of germination bioassays where seeds of native species were watered with aqueous extracts of staminate flowers and leaves produced by male peppertrees, and with aqueous extracts of fruits and leaves produced by female peppertrees. Additionally, we conducted experiments where seeds of native species were sowed on soils collected beneath the canopy of both tree genders. The results of all these experiments indicated that both peppertree genders can reduce germination of native species, but also suggested that male peppertrees would have stronger allelopathic effects than female peppertrees. To our best knowledge, this is the first study reporting allelopathic effects of peppertrees on native plants from Mexico, but this is also the first study indicating differential gender effects for invasive dioecious species with allelopathic potential.


英文关键词abandoned fields cacti interference Peruvian peppertree semiarid ecosystems vegetation recovery
类型Article
语种英语
国家Mexico
收录类别SCI-E
WOS记录号WOS:000379282200006
WOS类目Plant Sciences
WOS研究方向Plant Sciences
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/191888
作者单位1.Inst Potosino Invest Cient & Tecnol, Div Ciencias Ambientales, San Luis Potosi, San Luis Potosi, Mexico;
2.Univ Autonoma San Luis Potosi, Fac Agron & Vet, San Luis Potosi, Mexico
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Avendano-Gonzalez, Marcela,Badano, Ernesto I.,Ramirez-Albores, Jorge E.,et al. Differential allelopathy between genders of an invasive dioecious tree on desert plants[J],2016,94(2):253-262.
APA Avendano-Gonzalez, Marcela,Badano, Ernesto I.,Ramirez-Albores, Jorge E.,Flores, Joel,&Flores-Cano, Jorge A..(2016).Differential allelopathy between genders of an invasive dioecious tree on desert plants.BOTANICAL SCIENCES,94(2),253-262.
MLA Avendano-Gonzalez, Marcela,et al."Differential allelopathy between genders of an invasive dioecious tree on desert plants".BOTANICAL SCIENCES 94.2(2016):253-262.
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