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| DOI: | 10.1007/978-3-319-08714-6_1 |
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| Web URL(s): | https://link.springer.com/chapter/10.1007/978-3-319-08714-6_1/fulltext.html
Last checked: 10/06/2017
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https://link.springer.com/content/pdf/10.1007%2F978-3-319-08714-6_1.pdf
Last checked: 10/06/2017
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| Publication Type:
| Report |
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| Author(s): | Saha, Malay C.;
Talukder, S. K.;
Azhaguvel, P.;
Mukhergee, S.;
Chekhovskiy, K. |
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| Author Affiliation: | Saha, Talukder, Azhaguvel, and Chekhovskiy: Forage Improvement Division; Mukhergee: Computing Services, The Samuel Roberts Noble Foundation, Ardmore, OK; Azhaguvel: Syngenta, Slater, IA |
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| Title: | Deciphering drought tolerance in tall fescue [Lolium arundinaceum (Schreb.) Darbysh] |
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| Meeting Info.: | Istanbul, Turkey: September 2014 |
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| Source: | Molecular Breeding of Forage and Turf: The Proceedings of the 8th International Symposium on the Molecular Breeding of Forage and Turf. 2015, p. 1-7. |
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| Publishing Information: | s.l.: Springer International Publishing |
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| # of Pages: | 7 |
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| Related Web URL: | https://link.springer.com/chapter/10.1007/978-3-319-08714-6_1
Last checked: 10/06/2017
Notes: Abstract only |
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| Keywords: | TIC Keywords: Cultivar improvement; Drought resistance; Festuca arundinacea; Osmotic potential; Relative water content; Variety trials
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| Abstract/Contents: | "Tall fescue [Lolium arundinaceum (Schreb.) Darbysh.] is an important cool season perennial hay and pasture grass grown in over 14 million ha in the USA. Frequent and more severe droughts that recently prevailed in the Southern Great Plains are the major constraints for the production of tall fescue in the region. Developing drought-tolerant cultivar is the key strategy for improving productivity and persistence of the Continental tall fescue in the region. Initially, 1000 genotypes of a tall fescue population were screened and most contrasting genotypes for relative water content (RWC) , osmotic potential (OP) and chlorophyll content were identified. A negative correlation was found between RWC and OP in both greenhouse and field experiments. A drought tolerant (B400) and a susceptible (W279) genotype were crossed to create a mapping population. Transgressive segregation for different drought-related traits was observed in the mapping population. A total of 252 genotypes of the population have been genotyped following the genotyping-by-sequencing protocol. Identification of genetic loci associated with important traits are in progress. RNA samples from leaf, shoot, root, and inflorescence tissues of the tolerant and susceptible parents were used for transcriptome profiling under drought stress condition. Assembly of the sequences resulted 199,399 contigs with an average read length of 585 bp. A total of 2986 differentially expressed transcripts were identified between the two genotypes, of which 1048 were recognized with various annotated proteins. Kinase type protein and transposons were most frequently appeared to be differentially expressed. Thirty unique proteins were significantly up-regulated in the drought-tolerant genotype under stress condition. We are in the process of identifying overexpressed genes in B400 responsible for drought tolerance and developing a comprehensive molecular marker system in tall fescue." |
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| Language: | English |
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| References: | 13 |
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| Note: | "ISBN: 978-3-319-08713-9"
"ISBN: 978-3-319-08714-6"
"Chapter 1"
Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Saha, M. C., S. K. Talukder, P. Azhaguvel, S. Mukhergee, and K. Chekhovskiy. 2015. Deciphering drought tolerance in tall fescue [Lolium arundinaceum (Schreb.) Darbysh]. Molecular Breeding of Forage and Turf: The Proceedings of the 8th International Symposium on the Molecular Breeding of Forage and Turf. p. 1-7. |
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| DOI: 10.1007/978-3-319-08714-6_1 |
| Web URL(s):
https://link.springer.com/chapter/10.1007/978-3-319-08714-6_1/fulltext.html
Last checked: 10/06/2017
Access conditions: Item is within a limited-access website
https://link.springer.com/content/pdf/10.1007%2F978-3-319-08714-6_1.pdf
Last checked: 10/06/2017
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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