Aegilops crassa: Rhodes, L., Bradley, I. & Maxted, N.

2014 ◽  
Author(s):  
Keyword(s):  
Aegilops Crassa

scholarly journals Molecular diversity analysis in hexaploid wheat (Triticum aestivum L.) and two Aegilops species (Aegilops crassa and Aegilops cylindrica) using CBDP and SCoT markers

2021 ◽  
Vol 19 (1) ◽  
Author(s):  
Ghazal Ghobadi ◽  
Alireza Etminan ◽  
Ali Mehras Mehrabi ◽  
Lia Shooshtari
Keyword(s):  
Genetic Diversity ◽  
Triticum Aestivum ◽  
Gene Diversity ◽  
Polymorphic Information Content ◽  
Crop Improvement ◽  
Wild Relatives ◽  
Resolving Power ◽  
Start Codon ◽  
Aegilops Cylindrica ◽  
Aegilops Crassa

Abstract Background Evaluation of genetic diversity and relationships among crop wild relatives is an important task in crop improvement. The main objective of the current study was to estimate molecular variability within the set of 91 samples from Triticum aestivum, Aegilops cylindrica, and Aegilops crassa species using 30 CAAT box–derived polymorphism (CBDP) and start codon targeted (SCoT) markers. Results Fifteen SCoT and Fifteen CBDP primers produced 262 and 298 fragments which all of them were polymorphic, respectively. The number of polymorphic bands (NPB), polymorphic information content (PIC), resolving power (Rp), and marker index (MI) for SCoT primers ranged from 14 to 23, 0.31 to 0.39, 2.55 to 7.49, and 7.56 to 14.46 with an average of 17.47, 0.34, 10.44, and 5.69, respectively, whereas these values for CBDP primers were 15 to 26, 0.28 to 0.36, 3.82 to 6.94, and 4.74 to 7.96 with a mean of 19.87, 0.31, 5.35, and 6.24, respectively. Based on both marker systems, analysis of molecular variance (AMOVA) indicated that the portion of genetic diversity within species was more than among them. In both analyses, the highest values of the number of observed (Na) and effective alleles (Ne), Nei’s gene diversity (He), and Shannon’s information index (I) were estimated for Ae. cylindrica species. Conclusion The results of cluster analysis and population structure showed that SCoT and CBDP markers grouped all samples based on their genomic constitutions. In conclusion, the used markers are very effective techniques for the evaluation of the genetic diversity in wild relatives of wheat.

Photoperiod-sensitive cytoplasmic male sterility in wheat with Aegilops crassa cytoplasm

Euphytica ◽  
1993 ◽  
Vol 67 (1-2) ◽  
pp. 41-48 ◽  
Author(s):  
Koji Murai ◽  
Koichiro Tsunewaki
Keyword(s):  
Cytoplasmic Male Sterility ◽  
Male Sterility ◽  
Photoperiod Sensitive ◽  
Aegilops Crassa

scholarly journals Characterization of wheat Bell1-type homeobox genes in floral organs of alloplasmic lines with Aegilops crassa cytoplasm

2011 ◽  
Vol 11 (1) ◽  
pp. 2 ◽  
Author(s):  
Kota Mizumoto ◽  
Hitoshi Hatano ◽  
Chizuru Hirabayashi ◽  
Koji Murai ◽  
Shigeo Takumi
Keyword(s):  
Homeobox Genes ◽  
Alloplasmic Lines ◽  
Floral Organs ◽  
Aegilops Crassa

Characterization of low-molecular-weight-glutenin subunit genes from the D-genome of Triticum aestivum, Aegilops crassa, Ae. cylindrica and Ae. tauschii

2013 ◽  
Vol 50 ◽  
pp. 23-29
Author(s):  
Mohammad Reza Naghavi ◽  
Sayvan Ahmadi ◽  
Ali-Akbar Shanejat-Boushehri ◽  
Golnaz Komaei ◽  
Paul C. Struik
Keyword(s):  
Molecular Weight ◽  
Triticum Aestivum ◽  
Glutenin Subunit ◽  
Low Molecular Weight ◽  
D Genome ◽  
Aegilops Crassa

Multivariate Analysis of Morphological Variation in Accessions of Aegilops crassa from Iran

2007 ◽  
Vol 10 (7) ◽  
pp. 1126-1129 ◽  
Author(s):  
M. Ranjbar ◽  
M.R. Naghavi ◽  
A. Zali ◽  
M.J. Aghaei
Keyword(s):  
Multivariate Analysis ◽  
Morphological Variation ◽  
Aegilops Crassa

scholarly journals Powdery mildew resistance in some Aegilops species

2010 ◽  
Vol 40 (No. 3) ◽  
pp. 87-93
Author(s):  
M. Švec ◽  
M. Miklovičová ◽  
V. Šudyová ◽  
M. Hudcovicová ◽  
P. Hauptvogel ◽  
...  
Keyword(s):  
Cluster Analysis ◽  
Powdery Mildew ◽  
Plant Resistance ◽  
Powdery Mildew Resistance ◽  
Adult Plant Resistance ◽  
Juvenile Stage ◽  
Adult Plant ◽  
Dna Microsatellite ◽  
Dna Microsatellite Markers ◽  
Aegilops Crassa

Resistance to powdery mildew (<I>Blumeria graminis </I>(DC.) E. O. Speer<I> </I>f.sp. <I>tritici</I> Em. Marchal) in <I>Aegilops crassa </I>Boiss.<I>, Ae. ventricosa </I>Tausch<I>, Ae. biuncialis </I>Vis.<I>, Ae. triuncialis </I>L.<I> </I>and<I> Ae. cylindrica </I>Host<I> </I>was tested at the stage of primary leaves in the years 2000 and 2001. All plants of <I>Ae. ventricosa, Ae. biuncialis </I>and sample No. 9 of <I>Ae. cylindrica</I> repeatedly showed a susceptible reaction after being inoculated by all powdery mildew isolates used. In contrast, plants of <I>Ae. crassa, </I>sample No. 8 of <I>Ae. cylindrica </I>and all samples (No. 13, 21, 22, 24 and 26) of <I>Ae. triuncialis </I>were resistant to all isolates. Samples No. 5, 6, 7, 19 and 23 of <I>Ae. cylindrica </I>contained resistant and susceptible plants in both years. Virulence to these samples ranged from 3% to 18%. Cluster analysis using DNA microsatellite markers showed that the accessions are arranged in groups based on taxonomic relationship but not on basis of resistance. Plants susceptible to powdery mildew at the juvenile stage showed satisfactory adult plant resistance.

Value and utilization of alloplasmic common wheats with Aegilops crassa cytoplasm

2002 ◽  
Vol 121 (5) ◽  
pp. 407-410 ◽  
Author(s):  
C. G. Liu ◽  
Y. W. Wu ◽  
H. Hou ◽  
C. Zhang ◽  
Y. Zhang
Keyword(s):  
Aegilops Crassa
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