Search Results - "Geiger, Hartwig H."

Biology, genetics, and management of ergot (Claviceps spp.) in rye, sorghum, and pearl millet by Miedaner, Thomas, Geiger, Hartwig H

“…Ergot is a disease of cereals and grasses caused by fungi in the genus Claviceps. Of particular concern are Claviceps purpurea in temperate regions, C…”
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Heterosis in early seed development: a comparative study of F1 embryo and endosperm tissues 6 days after fertilization by Jahnke, Stephanie, Sarholz, Barbara, Thiemann, Alexander, Kühr, Vera, Gutiérrez-Marcos, José F, Geiger, Hartwig H, Piepho, Hans-Peter, Scholten, Stefan

“…Heterosis specifies the superior performance of heterozygous individuals and although used in plant breeding the underlying molecular mechanisms still remain…”
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DNA polymorphisms and haplotype patterns of transcription factors involved in barley endosperm development are associated with key agronomic traits by Haseneyer, Grit, Stracke, Silke, Piepho, Hans-Peter, Sauer, Sascha, Geiger, Hartwig H, Graner, Andreas

“…Background: Association mapping is receiving considerable attention in plant genetics for its potential to fine map quantitative trait loci (QTL), validate…”
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Estimating the outcrossing rate of barley landraces and wild barley populations collected from ecologically different regions of Jordan by Abdel-Ghani, A.H, Parzies, H.K, Omary, A, Geiger, H.H

“…The results of previous studies conducted at the University of Hohenheim and the International Center for Agricultural Research in the Dry Areas (ICARDA)…”
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High level of conservation between genes coding for the GAMYB transcription factor in barley (Hordeum vulgare L.) and bread wheat (Triticum aestivum L.) collections by Haseneyer, Grit, Ravel, Catherine, Dardevet, Mireille, Balfourier, François, Sourdille, Pierre, Charmet, Gilles, Brunel, Dominique, Sauer, Sascha, Geiger, Hartwig H, Graner, Andreas, Stracke, Silke

“…The transcription factor GAMYB is involved in gibberellin signalling in cereal aleurone cells and in plant developmental processes. Nucleotide diversity of…”
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Model training across multiple breeding cycles significantly improves genomic prediction accuracy in rye (Secale cereale L.) by Auinger, Hans-Jürgen, Schönleben, Manfred, Lehermeier, Christina, Schmidt, Malthe, Korzun, Viktor, Geiger, Hartwig H., Piepho, Hans-Peter, Gordillo, Andres, Wilde, Peer, Bauer, Eva, Schön, Chris-Carolin

“…Key message Genomic prediction accuracy can be significantly increased by model calibration across multiple breeding cycles as long as selection cycles are…”
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Association mapping reveals gene action and interactions in the determination of flowering time in barley by Stracke, Silke, Haseneyer, Grit, Veyrieras, Jean-Baptiste, Geiger, Hartwig H, Sauer, Sascha, Graner, Andreas, Piepho, Hans-Peter

“…The interaction between members of a gene network has an important impact on the variation of quantitative traits, and can influence the outcome of…”
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Genetic Correlations among Haploids, Doubled Haploids, and Testcrosses in Maize by Geiger, Hartwig H., Andrés Gordillo, G., Koch, Silvia

“…ABSTRACT Doubled haploid (DH) lines produced via in vivo haploid induction have become an indispensable tool in maize (Zea mays L.) breeding and research. To…”
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Gain from marker‐based recurrent selection for increased heterozygosity in barley by Nandety, Aruna, Geiger, Hartwig H, Léon, J

“…Barley (Hordeum vulgare L.) is a highly adaptable cereal crop grown under a wide range of agro‐ecological conditions. Various literature reports demonstrate…”
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Alternative Recurrent Selection Strategies Using Doubled Haploid Lines in Hybrid Maize Breeding by Gordillo, G.A, Geiger, H.H

“…Recurrent testcross selection based on doubled haploid lines can be highly effective in hybrid maize (Zea mays L.) breeding. As a consequence, however, the…”
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Diversity, spatial variation, and temporal dynamics of virulences in the German leaf rust (Puccinia recondita f. sp. secalis) population in winter rye by Miedaner, Thomas, Klocke, Bettina, Flath, Kerstin, Geiger, Hartwig H., Weber, W. Eberhard

“…A large collection of German rye leaf rust isolates was analysed to characterize the diversity, spatial variation and temporal dynamics of virulences…”
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Wild sorghum from different eco-geographic regions of Kenya display a mixed mating system by Muraya, Moses M., Mutegi, Evans, Geiger, Hartwig H., de Villiers, Santie M., Sagnard, Fabrice, Kanyenji, Ben M., Kiambi, Dan, Parzies, Heiko K.

“…Knowledge of mating systems is required in order to understand the genetic composition and evolutionary potential of plant populations. Outcrossing in a…”
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Genetic structure and diversity of wild sorghum populations (Sorghum spp.) from different eco-geographical regions of Kenya by Muraya, Moses M., de Villiers, Santie, Parzies, Heiko K., Mutegi, Evans, Sagnard, Fabrice, Kanyenji, Ben M., Kiambi, Dan, Geiger, Hartwig H.

“…Wild sorghums are extremely diverse phenotypically, genetically and geographically. However, there is an apparent lack of knowledge on the genetic structure…”
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Quantitative trait loci for early plant vigour of maize grown in chilly environments by Presterl, Thomas, Ouzunova, Milena, Schmidt, Walter, Möller, Evelyn M, Röber, Frank K, Knaak, Carsten, Ernst, Karin, Westhoff, Peter, Geiger, Hartwig H

“…Maize (Zea mays L.) is particularly sensitive to chilling in the early growth stages. The objective of this study was to determine quantitative trait loci…”
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Optimization of DH-line based recurrent selection procedures in maize under a restricted annual loss of genetic variance by Gordillo, G. Andrés, Geiger, Hartwig H

“…Doubled haploid (DH) lines are increasingly being used in commercial hybrid maize (Zea mays L.) breeding. They allow for various quantitative genetic and…”
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Investigation of pollen competition between wild and cultivated sorghums (Sorghum bicolor (L.) Moench) using simple sequence repeats markers by Muraya, Moses M., Geiger, Hartwig H., de Villiers, Santie, Sagnard, Fabrice, Kanyenji, Ben M., Kiambi, Dan, Parzies, Heiko K.

“…In self-compatible plant species stigmata receive a mixture of self and outcrossed pollen and competition between them is expected to play a major role in…”
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MBP (Version 1.0): A Software Package to Optimize Maize Breeding Procedures Based on Doubled Haploid Lines by Gordillo, Gerardo A, Geiger, Hartwig H

“…We developed MBP (version 1.0), a software package for optimizing maize (Zea mays L.) breeding procedures based on doubled haploid lines. This software…”
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Adaptive values of wild × cultivated sorghum (Sorghum bicolor (L.) Moench) hybrids in generations F1, F2, and F3 by Muraya, Moses M., Geiger, Hartwig H., Sagnard, Fabrice, Toure, Lassana, Traore, Pierre C. S., Togola, Sabine, de Villiers, Santie, Parzies, Heiko K.

“…Gene flow between cultivated and their wild relatives is one of the main ecological concerns associated with the introduction genetically modified (GM)…”
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Improved methodologies for breeding striga-resistant sorghums by Haussmann, Bettina I.G, Hess, Dale E, Welz, H.-Günter, Geiger, Hartwig H

“…Parasitic flowering weeds of the genus Striga ( Scrophulariaceae) cause substantial losses in sorghum [ Sorghum bicolor (L.) Moench] production in sub-Saharan…”
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Competition effects among isolates of Fusarium culmorum differing in aggressiveness and mycotoxin production on heads of winter rye by Miedaner, T, Schilling, A.G, Geiger, H.H

“…Fusarium culmorum is a phytopathogenic, toxigenic fungus causing seedling diseases, foot rot and head blight of cereals. For estimating competition effects in…”
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