干旱区生态环境知识资源中心(Arid): Structural responses of differentially adapted Cenchrus setigerus Vahl ecotypes to water deficit

Arid

DOI	10.1016/j.envexpbot.2021.104746
	Structural responses of differentially adapted Cenchrus setigerus Vahl ecotypes to water deficit
	Sarwar, Yasmin; Asghar, Ansa; Hameed, Mansoor; Fatima, Sana; Ahmad, Farooq; Ahmad, Muhammad Sajid Aqeel; Ashraf, Muhammad; Shah, Syed Mohsan Raza; Basharat, Sana; Iqbal, Ummar; Irshad, Muhammad; Ahmad, Iftikhar
通讯作者	Hameed, M (corresponding author)，Univ Agr Faisalabad, Dept Bot, Faisalabad 38040, Pakistan.
来源期刊	ENVIRONMENTAL AND EXPERIMENTAL BOTANY
ISSN	0098-8472
EISSN	1873-7307
出版年	2022
卷号	194
英文摘要	Two ecotypes of Cenchrus setigerus Vahl (birdwood grass) were collected from dry mountains surrounding hyper-saline Kalar Kahar Lake and Gatwala artificial forest plantation. The ramets of the two ecotypes were established in pots for 15 days and then subjected to 100% FC (control) or 75% and 50% FC (field capacity) levels. Growth attributes such as plant height, tillers per plant, leaves per plant, shoot fresh and dry weights were severely affected while root length was the only attribute that increased in both ecotypes under moisture stress. Root anatomical attributes like cortical and pith parenchyma, and vascular region thickness increased in both ecotypes under water stress. Root radius increased in the Faisalabad ecotype at 75% FC, while increased in Salt Range ecotype only at 50% FC. Stem cellular region, sclerenchymatous cell area, vascular bundle area and metaxylem area increased significantly under moderate and severe water deficit only in the Faisalabad ecotype. The Salt Range ecotype exhibited intensive sclerification and large vascular tissue at 50% FC. Leaf anatomical attributes like epidermal cell area, bundle sheath thickness, sclerenchyma thickness and its cell area, and, vascular bundles area significantly increased in the Salt Range ecotype with increasing water deficit. The Faisalabad ecotype showed significant increase in vascular bundle area, metaxylem area and adaxial stomatal area. These findings indicated that both C. setigerus ecotypes mainly relied on water conservation and survival rather than main-taining growth and biomass production. The anatomical modifications at root, stem and leaf levels ensured survival of C. setigerus ecotypes in extreme arid conditions.
英文关键词	Birdwood grass Ecotypes Structural modifications Sclerification Vascular tissue
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000760363200001
WOS关键词	DROUGHT TOLERANCE ; STRESS ; PLANT ; ANATOMY ; TRAITS ; LEAVES
WOS类目	Plant Sciences ; Environmental Sciences
WOS研究方向	Plant Sciences ; Environmental Sciences & Ecology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/376347
作者单位	[Sarwar, Yasmin; Asghar, Ansa; Hameed, Mansoor; Ahmad, Farooq; Ahmad, Muhammad Sajid Aqeel; Ashraf, Muhammad; Shah, Syed Mohsan Raza; Basharat, Sana; Iqbal, Ummar; Irshad, Muhammad; Ahmad, Iftikhar] Univ Agr Faisalabad, Dept Bot, Faisalabad 38040, Pakistan; [Fatima, Sana] Govt Sadiq Coll Women Univ, Bahawalpur 63100, Pakistan
推荐引用方式 GB/T 7714	Sarwar, Yasmin,Asghar, Ansa,Hameed, Mansoor,et al. Structural responses of differentially adapted Cenchrus setigerus Vahl ecotypes to water deficit[J],2022,194.
APA	Sarwar, Yasmin.,Asghar, Ansa.,Hameed, Mansoor.,Fatima, Sana.,Ahmad, Farooq.,...&Ahmad, Iftikhar.(2022).Structural responses of differentially adapted Cenchrus setigerus Vahl ecotypes to water deficit.ENVIRONMENTAL AND EXPERIMENTAL BOTANY,194.
MLA	Sarwar, Yasmin,et al."Structural responses of differentially adapted Cenchrus setigerus Vahl ecotypes to water deficit".ENVIRONMENTAL AND EXPERIMENTAL BOTANY 194(2022).