Arid
DOI10.1111/plb.13317
Plant functional traits shape growth rate for xerophytic shrubs
Zhang, C.; Niu, D.; Zhang, L.; Li, X.; Fu, H.
Corresponding AuthorNiu, D (corresponding author), Lanzhou Univ, Key Lab Grassland Livestock Ind Innovat,Minist Ed, State Key Lab Grassland Agroecosyst,Engn Res Ctr, Coll Pastoral Agr Sci & Technol,Minist Agr & Rura, 768 West Jiayuguan Rd, Lanzhou 730020, Peoples R China.
JournalPLANT BIOLOGY
ISSN1435-8603
EISSN1438-8677
Year Published2022
Abstract in EnglishTrade-offs exist for xerophytic shrubs between functional traits, involving in water loss and assimilate accumulation, can contribute to its survival and growth rate regulation in arid environments. However, growth analysis based on plant functional traits has been focused on the study of herbs and woody species. It is still unclear how the functional traits of xerophytic shrubs regulate their growth rate. In this study, we selectedeight xerophytic shrubs as samples to analyze the regulation process of the functional traits of shrubs on growth rate. Plants were cultivated for three years, and three harvests (every one year) were carried out. Factors explaining between-species differences in relative growth rate (RGR) varied, depending on whether different ages were considered. The results showed that RGR was positively correlated with net assimilation rate, but there was a significant negative correlation with leaf area ration (LAR), specific leaf area (SLA), and leaf biomass ratio in the age 1. However, in the age 2, RGR showed a significant positive correlation with the morphological traits (i.e., leaf area ration and specific leaf area), but not with physiological traits (i.e., net assimilation rate) and leaf biomass allocation. Our results suggested that the fluctuation of environmental factors affects the regulation path of the plant functional traits on RGR of xerophytic shrubs. However, the analysis of causality model showed that no matter in which age, net assimilation rate and leaf area ration principally drive the variation in RGR among xerophytic shrubs.
Keyword in EnglishArid environments biomass allocation plant functional traits relative growth rate xerophytic shrubs
SubtypeArticle
Language英语
Indexed BySCI-E
WOS IDWOS:000710312800001
WOS KeywordNET ASSIMILATION RATE ; LEAF TRAITS ; TREE ; BIOMASS ; ROOT ; DESERT ; AREA ; PERFORMANCE ; COMPONENTS ; STRATEGIES
WOS SubjectPlant Sciences
WOS Research AreaPlant Sciences
Source Institution兰州大学
Document Type期刊论文
Identifierhttp://119.78.100.177/qdio/handle/2XILL650/364335
Affiliation[Zhang, C.; Niu, D.; Zhang, L.; Li, X.; Fu, H.] Lanzhou Univ, Key Lab Grassland Livestock Ind Innovat,Minist Ed, State Key Lab Grassland Agroecosyst,Engn Res Ctr, Coll Pastoral Agr Sci & Technol,Minist Agr & Rura, 768 West Jiayuguan Rd, Lanzhou 730020, Peoples R China
Recommended Citation
GB/T 7714
Zhang, C.,Niu, D.,Zhang, L.,et al. Plant functional traits shape growth rate for xerophytic shrubs[J]. 兰州大学,2022.
APA Zhang, C.,Niu, D.,Zhang, L.,Li, X.,&Fu, H..(2022).Plant functional traits shape growth rate for xerophytic shrubs.PLANT BIOLOGY.
MLA Zhang, C.,et al."Plant functional traits shape growth rate for xerophytic shrubs".PLANT BIOLOGY (2022).
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