Search results for: Peter Maurer

Items from 1 to 20 out of 78 results

article

Fast‐tracking the evaluation of novel female candidate lines in CMS‐based hybrid breeding

Johannes Trini, Hans Peter Maurer, Elmar A. Weissmann, Tobias Würschum, more

Time‐ and resource‐efficient identification of promising lines is of utmost importance in hybrid breeding. Here, we present a novel approach to evaluate female candidate lines for single‐cross hybrids, which saves four to five generations by obtaining general (GCA) and specific combining ability (SCA) effect estimates prior to the introgression of the female lines into a male sterility‐inducing cytoplasm...

article

Genetic architecture of phenotypic indices for simultaneous improvement of protein content and grain yield in triticale (×triticosecale)

Jan E. Neuweiler, Hans Peter Maurer, Tobias Würschum, Hermann Buerstmayr

Plant Breeding > 140 > 2 > 232 - 245

Our study aimed to assess the potential of indices, including grain protein deviation and protein yield, to simultaneously improve grain yield and protein content in triticale. Our analysis of 1.218 triticale genotypes revealed significant genotypic variation and high heritabilities for all traits. We analysed the suitability of the indices for phenotypic selection for both high grain yield and increased...

article

Hybrid breeding for biomass yield in winter triticale: II. Combining ability and hybrid prediction

Johannes Trini, Hans Peter Maurer, Sigrid Weissmann, Tobias Würschum, more

Plant Breeding > 139 > 5 > 906 - 915

Accurate hybrid prediction and knowledge about the relative contribution of general (GCA) and specific combining ability (SCA) are of utmost importance for efficient hybrid breeding. We therefore evaluated 91 triticale single‐cross hybrids in field trials at seven environments for plant height, heading time, fresh biomass, dry matter content and dry biomass. Fresh and dry biomass showed the highest...

article

Long‐term trends and genetic architecture of seed characteristics, grain yield and correlated agronomic traits in triticale (×Triticosecale Wittmack)

Jan E. Neuweiler, Hans Peter Maurer, Tobias Würschum, Klaus Pillen

Plant Breeding > 139 > 4 > 717 - 729

The aim of this study was to investigate long‐term genetic trends and the genetic architecture of grain yield, seed characteristics and correlated agronomic traits in triticale. Therefore, a panel of 846 diverse triticale genotypes was assessed for three agronomic and three seed shape‐ and size‐related traits. We observed a high genotypic variation and a high heritability for all traits. Analysing...

article

Comparison of rye, triticale, durum wheat and bread wheat genotypes for Fusarium head blight resistance and deoxynivalenol contamination

David Sewordor Gaikpa, Bärbel Lieberherr, Hans Peter Maurer, C. Friedrich H. Longin, more

Plant Breeding > 139 > 2 > 251 - 262

Small‐grain winter cereal crops can be infected with Fusarium head blight (FHB) leading to mycotoxin contamination and reduction in grain weight and quality. Although a number of studies have investigated the genetic variation of genotypes within each small‐grain cereal, a systematic comparison of the winter crops rye, triticale, durum and bread wheat for their FHB resistance, Fusarium‐damaged kernels...

article

Editors’ introduction

Nicoleta Corbu, Peter Maurer, Agnieszka Stępińska

Central European Journal of Communication > 2019 > 12 > 2(23) > 130-133

article

Events

Peter Maurer, Agnieszka Stępińska

Central European Journal of Communication > 2019 > 12 > 2(23) > 273-279

article

Events

Peter Maurer, Agnieszka Stępińska

Central European Journal of Communication > 2019 > 12 > 2/23 > 273-279

article

Genome-wide association study for an efficient selection of Fusarium head blight resistance in winter triticale

Ana L. Galiano-Carneiro, Philipp H. G. Boeven, Hans Peter Maurer, Tobias Würschum, more

Euphytica > 2019 > 215 > 1 > 1-12

Fusarium head blight (FHB) is one of the most serious diseases in small-grain cereals including triticale (× Triticosecale Wittmack). The disease reduces yield and accumulates mycotoxins which are harmful to human and animal health. Triticale grain is almost exclusively used on-farm in feed formulations for swine and other animals, and swine is the most susceptible farm animal to Fusarium mycotoxins...

article

Accuracy of within‐ and among‐family genomic prediction in triticale

Tobias Würschum, Hans Peter Maurer, Sigrid Weissmann, Volker Hahn, more

Plant Breeding > 136 > 2 > 230 - 236

Genomic prediction has emerged as a powerful genomic tool to assist breeding of complex traits. In this study, we employed a population of 647 triticale doubled haploid lines derived from four families to assess the potential of this approach for triticale breeding. All lines were phenotyped for grain yield, thousand‐kernel weight, biomass yield, plant height, frost tolerance and Fusarium head blight...

article

Genetic architecture of male fertility restoration of Triticum timopheevii cytoplasm and fine-mapping of the major restorer locus Rf3 on chromosome 1B

Tobias Würschum, Willmar L. Leiser, Sigrid Weissmann, Hans Peter Maurer

Theoretical and Applied Genetics > 2017 > 130 > 6 > 1253-1266

Key message Restoration of fertility in the cytoplasmic male sterility-inducing Triticum timopheevii cytoplasm can be achieved with the major restorer locus Rf3 located on chromosome 1B, but is also dependent on modifier loci. Abstract Hybrid breeding relies on a hybrid mechanism enabling a cost-efficient hybrid seed production. In wheat and triticale, cytoplasmic male sterility based on the T. timopheevii...

article

Phenotypic and genotypic analyses of diversity and breeding progress in European triticale (× Triticosecale Wittmack)

Dominik Losert, Hans Peter Maurer, José J. Marulanda, Tobias Würschum, more

Plant Breeding > 136 > 1 > 18 - 27

Knowledge of the extent of phenotypic variability, genetic diversity and the realized breeding progress is central for the optimum design of breeding programmes, but little information is available for triticale (× Triticosecale Wittmack). In this study, a collection of 885 diverse European triticale lines was evaluated in multilocation field trials in 2 years. We observed significant genotypic variances...

article

Defeating the Warrior: genetic architecture of triticale resistance against a novel aggressive yellow rust race

Dominik Losert, Hans Peter Maurer, Willmar L. Leiser, Tobias Würschum

Theoretical and Applied Genetics > 2017 > 130 > 4 > 685-696

Key messageGenome-wide association mapping of resistance against the novel, aggressive ‘Warrior’ race of yellow rust in triticale revealed a genetic architecture with some medium-effect QTL and a quantitative component, which in combination confer high levels of resistance on both leaves and ears. Abstract Yellow rust is an important destructive fungal disease in small grain cereals and the exotic...

article

Potential for Marker-Assisted Simultaneous Improvement of Grain and Biomass Yield in Triticale

Wenxin Liu, Hans Peter Maurer, Willmar L. Leiser, Matthew R. Tucker, more

BioEnergy Research > 2017 > 10 > 2 > 449-455

Triticale is a promising crop for agricultural biomass production but breeding has until now mainly focused on grain yield. Here, we evaluated the potential of marker-assisted simultaneous improvement of grain yield and biomass yield. To this end, we employed a large triticale doubled haploid population with 647 individuals derived from four families that were phenotyped for grain yield and biomass...

article

Effect of nitrogen fertilisation on the amino acid digestibility of different triticale genotypes in caecectomised laying hens

Wolfgang Siegert, Jeannette Boguhn, Hans Peter Maurer, Jochen Weiss, more

Journal of the Science of Food and Agriculture > 97 > 1 > 144 - 150

BACKGROUND The influence of nitrogen fertilisation and genotype on the amino acid (AA) digestibility of triticale grain was investigated in caecectomised laying hens. Three genotypes, Grenado, EAW6002 and Lasko, were cultivated with and without nitrogen fertilisation at the end of the heading stage. The six triticale variants as well as a basal diet were each used to feed seven laying hens in a 7...

article

Hybrid breeding for biomass yield in winter triticale: I. Hybrid performance, trait correlations and heterosis

Dominik Losert, Hans Peter Maurer, Sigrid Weissmann, Tobias Wü rschum, more

Plant Breeding > 135 > 5 > 560 - 566

Triticale (×Triticosecale Wittmack) holds great potential as a source for biomass production for industrial applications in Central Europe and hybrid breeding in particular appears promising owing to the higher vigour of hybrids compared to lines. In this study, a set of 178 winter triticale genotypes, including 91 hybrids, their 10 male and 23 female parental lines, as well as 54 varieties were evaluated...

article

Multiple‐line cross QTL mapping for grain yield and thousand kernel weight in triticale

Wenxin Liu, Willmar L. Leiser, Jochen C. Reif, Matthew R. Tucker, more

Plant Breeding > 135 > 5 > 567 - 573

Grain yield and its component trait thousand kernel weight are important traits in triticale breeding programmes. Here, we used a large mapping population of 647 doubled haploid lines derived from four families to dissect the genetic architecture underlying grain yield and thousand kernel weight by multiple‐line cross QTL mapping. We identified 3 QTL for grain yield and 13 for thousand kernel weight...

article

Prediction of hybrid performance for Fusarium head blight resistance in triticale (×Triticosecale Wittmack)

Philipp H. G. Boeven, Tobias Würschum, Sigrid Weissmann, Thomas Miedaner, more

Euphytica > 2016 > 207 > 3 > 475-490

Like other small grain cereals, triticale (×Triticosecale Wittmack) is also affected by Fusarium head blight (FHB) which is a serious plant disease leading to yield losses and to a contamination of feed and food by harmful mycotoxins. Use of resistant varieties is the most effective way to manage FHB infections. More recently, commercial hybrid breeding in autogamous cereals has received increased...

article

Evaluation of genomic approaches for marker‐based improvement of lodging tolerance in triticale

Wenxin Liu, Willmar L. Leiser, Hans Peter Maurer, Junhui Li, more

Plant Breeding > 134 > 4 > 416 - 422

Lodging tolerance is an important agronomic trait as it can have a severe negative impact on grain yield and quality. Here, we used a large mapping population of 647 doubled haploid triticale lines derived from four families to dissect the genetic architecture underlying lodging tolerance and to assess different approaches for a genomics‐based improvement of the trait. The plants were evaluated for...

article

For every woman, every child, everywhere: a universal agenda for the health of women, children, and adolescents

Sarah Zeid, Flavia Bustreo, Maha Taysir Barakat, Peter Maurer, more

The Lancet > 2015 > 385 > 9981 > 1919-1920

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INFONA - science communication portal

Search results for: Peter Maurer

Fast‐tracking the evaluation of novel female candidate lines in CMS‐based hybrid breeding

Genetic architecture of phenotypic indices for simultaneous improvement of protein content and grain yield in triticale (×triticosecale)

Hybrid breeding for biomass yield in winter triticale: II. Combining ability and hybrid prediction

Long‐term trends and genetic architecture of seed characteristics, grain yield and correlated agronomic traits in triticale (×Triticosecale Wittmack)

Comparison of rye, triticale, durum wheat and bread wheat genotypes for Fusarium head blight resistance and deoxynivalenol contamination

Editors’ introduction

Events

Events

Genome-wide association study for an efficient selection of Fusarium head blight resistance in winter triticale

Accuracy of within‐ and among‐family genomic prediction in triticale

Genetic architecture of male fertility restoration of Triticum timopheevii cytoplasm and fine-mapping of the major restorer locus Rf3 on chromosome 1B

Phenotypic and genotypic analyses of diversity and breeding progress in European triticale (× Triticosecale Wittmack)

Defeating the Warrior: genetic architecture of triticale resistance against a novel aggressive yellow rust race

Potential for Marker-Assisted Simultaneous Improvement of Grain and Biomass Yield in Triticale

Effect of nitrogen fertilisation on the amino acid digestibility of different triticale genotypes in caecectomised laying hens

Hybrid breeding for biomass yield in winter triticale: I. Hybrid performance, trait correlations and heterosis

Multiple‐line cross QTL mapping for grain yield and thousand kernel weight in triticale

Prediction of hybrid performance for Fusarium head blight resistance in triticale (×Triticosecale Wittmack)

Evaluation of genomic approaches for marker‐based improvement of lodging tolerance in triticale

For every woman, every child, everywhere: a universal agenda for the health of women, children, and adolescents

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