Molecular Cytogenetic Characterization of a New Wheat-Thinopyrum intermedium Partial Amphiploid Resistant to Powdery Mildew and Stripe Rust

2009 ◽  
Vol 126 (4) ◽  
pp. 390-395 ◽  
Author(s):  
Y. Bao ◽  
X. Li ◽  
S. Liu ◽  
F. Cui ◽  
H. Wang
Keyword(s):  
Powdery Mildew ◽  
Stripe Rust ◽  
Thinopyrum Intermedium ◽  
Molecular Cytogenetic ◽  
Partial Amphiploid ◽  
Cytogenetic Characterization

Molecular cytogenetic characterization of two high protein wheat-Thinopyrum intermedium partial amphiploids

2011 ◽  
Vol 52 (3) ◽  
pp. 269-277 ◽  
Author(s):  
Mariyana Georgieva ◽  
Adél Sepsi ◽  
Nedyalka Tyankova ◽  
Márta Molnár-Láng
Keyword(s):  
High Protein ◽  
Thinopyrum Intermedium ◽  
Molecular Cytogenetic ◽  
Cytogenetic Characterization ◽  
Partial Amphiploids

Molecular cytogenetic characterization of a new wheat–rye 4R chromosome translocation line resistant to powdery mildew

2013 ◽  
Vol 21 (4) ◽  
pp. 419-432 ◽  
Author(s):  
Diaoguo An ◽  
Qi Zheng ◽  
Yilin Zhou ◽  
Pengtao Ma ◽  
Zhenling Lv ◽  
...  
Keyword(s):  
Powdery Mildew ◽  
Chromosome Translocation ◽  
Translocation Line ◽  
Molecular Cytogenetic ◽  
Cytogenetic Characterization

Molecular cytogenetic characterization and stripe rust response of a trigeneric hybrid involving Triticum, Psathyrostachys, and Thinopyrum

Genome ◽  
2012 ◽  
Vol 55 (5) ◽  
pp. 383-390 ◽  
Author(s):  
Houyang Kang ◽  
Jian Zeng ◽  
Quan Xie ◽  
Shan Tao ◽  
Meiyu Zhong ◽  
...  
Keyword(s):  
Stripe Rust ◽  
Triticum Aestivum L ◽  
Thinopyrum Intermedium ◽  
Psathyrostachys Huashanica ◽  
Molecular Cytogenetic ◽  
Meiotic Configuration ◽  
Cytogenetic Characterization ◽  
The Mean ◽  
Trigeneric Hybrids ◽  
Gish Analysis

Trigeneric hybrids offer opportunities to transfer alien traits into cultivated wheat. In this study, a new trigeneric hybrid involving species of Triticum , Psathyrostachys , and Thinopyrum was synthesized by crossing Triticum aestivum L. (wheat) – Thinopyrum intermedium (Host) Barkworth & D.R. Dewey amphiploid Zhong 3 with wheat – Psathyrostachys huashanica Keng ex Kuo amphiploid PHW-SA. Crossability of the two amphiploids was 19.74%, and the fertility of the hybrid was 16.20%. The mean meiotic configuration of the trigeneric hybrid (2n = 56) was 13.06 I + 17.24 IIring + 3.73 IIrod + 0.28 III + 0.04 IV. GISH analysis indicated that the trigeneric F1 had seven P. huashanica chromosomes and seven Th. intermedium chromosomes. The mean chromosome numbers of F2, F3, and F4 progenies were 2n = 49.24, 2n = 48.13, and 2n = 46.78, respectively, a gradual decrease. GISH analysis revealed that most F2 and F3 plants had 2–10 Th. intermedium chromosomes and 0–4 P. huashanica chromosomes. In the F4 progenies, 1–7 Th. intermedium chromosomes were labeled, but no P. huashanica chromosomes were detected. It seems that Th. intermedium chromosomes are more likely than P. huashanica chromosomes to be transmitted to the progenies. The stripe rust response of PHW-SA was expressed in the F1 and some F2 and F3 progenies. The trigeneric hybrid could be a useful bridge for transfering P. huashanica and Th. intermedium chromosomes to common wheat.

Molecular cytogenetic characterization of two partial wheatElytrigia elongataamphiploids resistant to powdery mildew

2013 ◽  
Vol 132 (6) ◽  
pp. 553-557 ◽  
Author(s):  
Fang He ◽  
Jinqiu Xu ◽  
Xiaolei Qi ◽  
Yinguang Bao ◽  
Xingfeng Li ◽  
...  
Keyword(s):  
Powdery Mildew ◽  
Molecular Cytogenetic ◽  
Cytogenetic Characterization
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