干旱区生态环境知识资源中心(Arid): Plant traits and phenotypic variability effect on the phytomass production of Stipagrostis ciliata (Desf.) De Winter

Arid

DOI	10.1016/j.sjbs.2020.03.010
	Plant traits and phenotypic variability effect on the phytomass production of Stipagrostis ciliata (Desf.) De Winter
	Lobna, Mnif Fakhfakh 1; Kaouthar, Jeddi 1; Naser, Anjum A.2,3; Chaieb, Mohamed 1
通讯作者	Lobna, Mnif Fakhfakh
来源期刊	SAUDI JOURNAL OF BIOLOGICAL SCIENCES
ISSN	1319-562X
EISSN	2213-7106
出版年	2020
卷号	27 期号:6 页码:1553-1561
英文摘要	A process of continuous degradation of plant communities, due mainly to long-term overgrazing has been revealed by most ecological studies in North African arid climate. Notably, this degradation appeared across the depletion of perennial grass species exhibiting low density in the majority of range ecosystems. This study aimed to examine the phenology and the aboveground phytomass production of Stipagrostis ciliata (Desf.) De Winter accessions, a perennial grass, growing under the same environment but coming from different climates of Tunisia. Additionally, the extent of genetic variation in phenological parameters, root and shoot phytomass productivity and the correlations among these parameters were also analyzed. Significant differences in all morphological parameters of S. ciliata accessions were revealed by ANOVA test and were corroborated with significant and positive correlation indicated by Pearson's correlation analysis. Plant diameter, biovolume, root biomass with protective sleeve and spike number exhibited significant differences and high distinctiveness between S. ciliata accessions. Tukey's HDS tests indicated the presence of three groups of accessions. Principal component analysis (PCA) applied on a table with eight observations and 13 variables, and dispersion of S. ciliata accessions on the first two axes of PCA confirmed the presence of three groups of accessions. Trait variability in the field for the five accessions is more likely to be the result of phenotypic plasticity rather than of genetic differentiation between accessions. Overall, the characterization of S. ciliata accessions exhibited significant differences in terms of morphological and biomass productivity. (C) 2020 The Author(s). Published by Elsevier B.V. on behalf of King Saud University.
英文关键词	Morphological characters Phenology Stipagrostis ciliata Accession Arid zone
类型	Article
语种	英语
国家	Tunisia ; Portugal
开放获取类型	gold, Green Published
收录类别	SCI-E
WOS记录号	WOS:000537253300017
WOS关键词	SOUTH-AFRICA ; ECOSYSTEM ; CLIMATE ; DIVERSITY ; RESPONSES ; GROWTH ; WATER ; POPULATIONS ; GRASSLANDS ; VEGETATION
WOS类目	Biology
WOS研究方向	Life Sciences & Biomedicine - Other Topics
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/318705
作者单位	1.Univ Sfax, Fac Sci, Lab Ecosyst & Biodivers Arid Land Tunisia LEBIOMA, Sfax 3000, Tunisia; 2.Univ Aveiro, CESAM Ctr Environm & Marine Studies, Aveiro, Portugal; 3.Univ Aveiro, Dept Chem, Aveiro, Portugal
推荐引用方式 GB/T 7714	Lobna, Mnif Fakhfakh,Kaouthar, Jeddi,Naser, Anjum A.,et al. Plant traits and phenotypic variability effect on the phytomass production of Stipagrostis ciliata (Desf.) De Winter[J],2020,27(6):1553-1561.
APA	Lobna, Mnif Fakhfakh,Kaouthar, Jeddi,Naser, Anjum A.,&Chaieb, Mohamed.(2020).Plant traits and phenotypic variability effect on the phytomass production of Stipagrostis ciliata (Desf.) De Winter.SAUDI JOURNAL OF BIOLOGICAL SCIENCES,27(6),1553-1561.
MLA	Lobna, Mnif Fakhfakh,et al."Plant traits and phenotypic variability effect on the phytomass production of Stipagrostis ciliata (Desf.) De Winter".SAUDI JOURNAL OF BIOLOGICAL SCIENCES 27.6(2020):1553-1561.