Full TGIF Record # 278837
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DOI:10.1111/gfs.12231
Web URL(s):http://onlinelibrary.wiley.com/doi/10.1111/gfs.12231/full
    Last checked: 12/08/2016
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http://onlinelibrary.wiley.com/doi/10.1111/gfs.12231/epdf
    Last checked: 12/08/2016
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Publication Type:
i
Refereed
Author(s):Pirnajmedin, F.; Majidi, M. M.; Gheysari, M.
Author Affiliation:Pirnajmedin and Majidi: Department of Agronomy and Plant Breeding, College of Agriculture, Isfahan University of Technology, Isfahan, Iran; Gheysari: Department of Water Engineering, College of Agriculture, Isfahan University of Technology, Isfahan, Iran
Title:Survival and recovery of tall fescue genotypes: Association with root characteristics and drought tolerance
Source:Grass and Forage Science. Vol. 71, No. 4, December 2016, p. 632-640.
# of Pages:9
Publishing Information:[Oxford, England, United Kingdom]: Blackwell Publishing Ltd.
Related Web URL:http://onlinelibrary.wiley.com/doi/10.1111/gfs.12231/abstract
    Last checked: 12/08/2016
    Notes: Abstract only
Keywords:TIC Keywords: Cultivar improvement; Drought recovery; Drought resistance; Festuca arundinacea; Genetic analysis; Root analysis
Abstract/Contents:"Identification and selection of plant genotypes with survival, recovery and sustainable performance during drought periods is one of the main objectives of plant improvement for arid and semi-arid regions. This study aimed to evaluate root traits and recovery of tall fescue genotypes after a period of drought stress. A total of twenty four tall fescue genotypes were selected from a wide polycross population and assessed for field drought tolerance based on stress tolerance index (STI) and recovery during 20102013. The genotypes were classified as tolerant, moderately tolerant and susceptible based on STI. Then, in 2014, genotypes were assessed in a pot experiment for root characteristics under two levels of moisture environments (control and intense drought stress). In both moisture environments, root length (RL), root area (RA), root volume (RV) and root weight (RW) were negatively correlated with days to recovery (DR). Genotypes that recovered from drought had greater RL, RA, RV and RW than the genotypes unable to recover. Principle component analysis (PCA) was performed to identify genotypes with superior root characteristics, stress tolerance and recovery potential that can be used for future breeding programmes. Results indicated that selection based on combining STI, recovery and extensive root system might improve drought tolerance of tall fescue."
Language:English
References:46
Note:Figures
Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Pirnajmedin, F., M. M. Majidi, and M. Gheysari. 2016. Survival and recovery of tall fescue genotypes: Association with root characteristics and drought tolerance. Grass Forage Sci. 71(4):p. 632-640.
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DOI: 10.1111/gfs.12231
Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1111/gfs.12231/full
    Last checked: 12/08/2016
    Access conditions: Item within a limited-access website
http://onlinelibrary.wiley.com/doi/10.1111/gfs.12231/epdf
    Last checked: 12/08/2016
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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