The production of fertile triploid hybrids from crosses between Hordeum vulgare L. (2n = 4x = 28) and H. bulbosum L. (2n = 2x=14)

Pickering, R. A.

doi:10.1111/j.1601-5223.1991.tb00329.x

Cited by 21 publications

(14 citation statements)

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“…First, most wild Hordeum species are distantly related to cultivated barley, which makes interspecific crosses difficult to achieve, and second, the diploid constitution of cultivated barley means it is sensitive to genetic imbalances and disturbances and cannot tolerate as much genetic manipulation as polyploid cereal species (150). Several barriers therefore need to be overcome before successful transfer of material can be achieved: e.g., pre-and post-fertilization barriers, such as pollen tube-stylar incompatibility resulting in low seed setting; endosperm degeneration in the developing hybrid seed; chromosome instability; low chromosome pairing and crossing over between homoeologs; reduced recombination; and linkage drag and hybrid infertility (102)(103)(104)106). However, despite these limitations, recombinant plants have been produced (14,33,34,55,58,105,108).…”

Section: Resistance Breedingmentioning

confidence: 99%

Leaf Rust of Cultivated Barley: Pathology and Control

Park

Golegaonkar²,

Derevnina³

et al. 2015

Annu. Rev. Phytopathol.

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Leaf rust of barley is caused by the macrocyclic, heteroecious rust pathogen Puccinia hordei, with aecia reported from selected species of the genera Ornithogalum, Leopoldia, and Dipcadi, and uredinia and telia occurring on Hordeum vulgare, H. vulgare ssp. spontaneum, Hordeum bulbosum, and Hordeum murinum, on which distinct parasitic specialization occurs. Although Puccinia hordei is sporadic in its occurrence, it is probably the most common and widely distributed rust disease of barley. Leaf rust has increased in importance in recent decades in temperate barley-growing regions, presumably because of more intensive agricultural practices. Although total crop loss does not occur, under epidemic conditions yield reductions of up to 62% have been reported in susceptible varieties. Leaf rust is primarily controlled by the use of resistant cultivars, and, to date, 21 seedling resistance genes and two adult plant resistance (APR) genes have been identified. Virulence has been detected for most seedling resistance genes but is unknown for the APR genes Rph20 and Rph23. Other potentially new sources of APR have been reported, and additivity has been described for some of these resistances. Approaches to achieving durable resistance to leaf rust in barley are discussed.

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Section: Resistance Breedingmentioning

confidence: 99%

Leaf Rust of Cultivated Barley: Pathology and Control

Park

Golegaonkar²,

Derevnina³

et al. 2015

Annu. Rev. Phytopathol.

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“…Barley and its wild relatives in the genus Hordeum are widespread among various climates, and barley is the cereal which is grown in the most northern agricultural areas. In this study, four genotypes (IL107, IL118, IL24, IL46; ID 33-36) of barley that are introgression lines (ILs) between spring barley cultivars and H. bulbosum [53] were included. H. bulbosum is considered to be the genetically closest wild perennial relative to barley.…”

Section: Barley Derivativesmentioning

confidence: 99%

The Performance of Early-Generation Perennial Winter Cereals at 21 Sites across Four Continents

Hayes¹,

Wang

Newell

et al. 2018

Sustainability

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A network of 21 experiments was established across nine countries on four continents and spanning both hemispheres, to evaluate the relative performance of early generation perennial cereal material derived from wheat, rye, and barley and to inform future breeding strategies. The experimental lines were grown in replicated single rows, and first year production and phenology characteristics as well as yield and persistence for up to three years were monitored. The study showed that the existing experimental material is all relatively short-lived (≤3 years), with environments that are milder in summer and winter generally conferring greater longevity. No pedigree was superior across this diverse network of sites although better performing lines at the higher latitude sites were generally derived from Thinopyrum intermedium. By contrast, at lower latitudes the superior lines were generally derived from Th. ponticum and Th. elongatum parentage. The study observed a poor relationship between year 1 performance and productivity in later years, highlighting the need for perennial cereal material with greater longevity to underpin future experimental evaluation, and the importance for breeding programs to emphasize post-year 1 performance in their selections. Hybrid lines derived from the tetraploid durum wheat generally showed greater longevity than derivatives of hexaploid wheat, highlighting potential for greater use of Triticum turgidum in perennial wheat breeding. We advocate a model in future breeding initiatives that develops perennial cereal genotypes for specific target environments rather than a generic product for one global market. These products may include a diversity of cultivars derived from locally adapted annual and perennial parents. In this scenario the breeding program may have access to only a limited range of adapted perennial grass parents. In other situations, such as at very high latitude environments, perennial crops derived from barley or rye may have a better chance of success than those derived from wheat. In either case, development and selection of the perennial parent for adaptation to local environments would seem fundamental to success.

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“…Hybrids obtained in early studies usually were not able to produce seeds, and hybrid offspring showing some pollen fertility and anther dehiscence was rare (Konzak et al 1951). Later on, the yield in interspecific hybrids was substantially improved via embryo rescue Pickering 1991;. Pickering (1988) obtained several triploid 'VBB' hybrids carrying one set of H. vulgare chromosomes (V) and two sets of H. bulbosum chromosomes (B).…”

Section: Interspecific Hybridsmentioning

confidence: 99%

“…Later on, the yield in interspecific hybrids was substantially improved via embryo rescue Pickering 1991;. Pickering (1988) obtained several triploid 'VBB' hybrids carrying one set of H. vulgare chromosomes (V) and two sets of H. bulbosum chromosomes (B). These hybrids possessed fully dehiscent anthers with 45-79 % germinable pollen grains.…”

Section: Interspecific Hybridsmentioning

confidence: 99%

Biotechnological Approaches to Barley Improvement

Kumlehn

Stein

2014

Biotechnology in Agriculture and Forestry

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This work is subject to copyright. All rights are reserved by the Publisher, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilms or in any other physical way, and transmission or information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed. Exempted from this legal reservation are brief excerpts in connection with reviews or scholarly analysis or material supplied specifically for the purpose of being entered and executed on a computer system, for exclusive use by the purchaser of the work. Duplication of this publication or parts thereof is permitted only under the provisions of the Copyright Law of the Publisher's location, in its current version, and permission for use must always be obtained from Springer. Permissions for use may be obtained through RightsLink at the Copyright Clearance Center. Violations are liable to prosecution under the respective Copyright Law. The use of general descriptive names, registered names, trademarks, service marks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. While the advice and information in this book are believed to be true and accurate at the date of publication, neither the authors nor the editors nor the publisher can accept any legal responsibility for any errors or omissions that may be made. The publisher makes no warranty, express or implied, with respect to the material contained herein.Printed on acid-free paper Springer is part of Springer Science+Business Media (www.springer.com) PrefaceBarley is deemed one of the first plant species to be domesticated. Its cultivation over a very broad range of environments and its versatile utilization for the production of raw material for feed and food render it a top-four crop plant worldwide. Representing the temperate cereals of the Triticeae tribe (wheat, rye, triticale), barley has been used as experimental model since the era of classical genetics and cytogenetics-a role that has been reinforced along the development of contemporary biology and crop plant research.The generation of comprehensive genome sequence data is regarded as a cornerstone with major impact into all areas of modern barley research. Thus, we are convinced of the timeliness and importance to survey and reflect the current state of biotechnologically oriented barley research in the present volume of the Springer series Biotechnology in Agriculture and Forestry. Besides genome sequencing, major progress was achieved by deep sequencing-based transcriptomics, the establishment of comprehensive mutant panels and TILLING platforms, the generation of high-resolution genetic maps, efficient site-directed mutagenesis using customizable endonucleases, as well as the establishment of automa...

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The production of fertile triploid hybrids from crosses between Hordeum vulgare L. (2n = 4x = 28) and H. bulbosum L. (2n = 2x=14)

Cited by 21 publications

References 28 publications

Leaf Rust of Cultivated Barley: Pathology and Control

Leaf Rust of Cultivated Barley: Pathology and Control

The Performance of Early-Generation Perennial Winter Cereals at 21 Sites across Four Continents

Biotechnological Approaches to Barley Improvement

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