Document Detail


Molecular cytogenetic characterization of a new leaf rolling triticale.
MedLine Citation:
PMID:  22179967     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Leaf rolling occurs in some cereal genotypes in response to drought. We identified and made a phenotypic, cytological and physiological analysis of a leaf-rolling genotype (CMH83) of hexaploid triticale (X Triticosecale Wittmack) that exhibited reduced plant height, rolled and narrow leaves. Gliadin electrophoresis of seed protein showed that CMH83 was genetically stable. Sequential Giemsa-C-banding and genomic in situ hybridization showed that CMH83 contains 12 rye chromosomes; two pairs of these chromosomes have reduced telomeric heterochromatin bands. Tests of relative water content and water loss rate of leaves of CMH83 compared with those of wheat cultivars indicated that rapid water loss after drought stress in CMH83 is associated with the leaf rolling phenotypes. Leaf rolling in CMH83 was a dominant trait in our inheritance studies. Triticale line CMH83 could be used to study drought resistance mechanisms in triticale.
Authors:
E N Yang; Z J Yang; J F Zhang; Y C Zou; Z L Ren
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Publication Detail:
Type:  Journal Article     Date:  2011-11-29
Journal Detail:
Title:  Genetics and molecular research : GMR     Volume:  10     ISSN:  1676-5680     ISO Abbreviation:  Genet. Mol. Res.     Publication Date:  2011  
Date Detail:
Created Date:  2011-12-19     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101169387     Medline TA:  Genet Mol Res     Country:  Brazil    
Other Details:
Languages:  eng     Pagination:  2953-61     Citation Subset:  IM    
Affiliation:
State Key Laboratory for Plant Genetics and Breeding, Sichuan Agricultural University, Yaan, China.
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