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Pre-harvest sprouting resistance and haplotype variation of ThVp-1 gene in the collection of wheat-wheatgrass hybrids

by Belov, V. I. , Pochtovyy, A. A. , Karlov, G. I. , Kocheshkova, A. A. , Upelniek, V. P. , Divashuk, M. G. , Kroupin, P. Yu , Bazhenov, M. S.

in Agricultural biotechnology / Biology and Life Sciences / Botanical gardens / Cereals / Chromosomes / Collection / Crop diseases / Cultivars / DNA methylation / Environmental impact / Gene loci / Gene polymorphism / Genes, Plant / Genetic aspects / Genetic polymorphisms / Genomes / Germination / Germplasm / Grain / Haplotypes / Harvest / Hybridization / Hybridization, Genetic / Hybridization, Vegetable / Hybrids / Physical Sciences / Physiological aspects / Poaceae - genetics / Poaceae - physiology / Polymorphism / Research and Analysis Methods / Seeds / Triticum / Triticum - genetics / Triticum - physiology / Triticum aestivum / Wheat

2017

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Pre-harvest sprouting resistance and haplotype variation of ThVp-1 gene in the collection of wheat-wheatgrass hybrids

by Belov, V. I. , Pochtovyy, A. A. , Karlov, G. I. , Kocheshkova, A. A. , Upelniek, V. P. , Divashuk, M. G. , Kroupin, P. Yu , Bazhenov, M. S.

2017

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Pre-harvest sprouting resistance and haplotype variation of ThVp-1 gene in the collection of wheat-wheatgrass hybrids

by Belov, V. I. , Pochtovyy, A. A. , Karlov, G. I. , Kocheshkova, A. A. , Upelniek, V. P. , Divashuk, M. G. , Kroupin, P. Yu , Bazhenov, M. S.

2017

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Journal Article

Pre-harvest sprouting resistance and haplotype variation of ThVp-1 gene in the collection of wheat-wheatgrass hybrids

Belov, V. I.,

Pochtovyy, A. A.,

Karlov, G. I.,

Kocheshkova, A. A.,

Upelniek, V. P.,

Divashuk, M. G.,

Kroupin, P. Yu,

Bazhenov, M. S.

2017

Overview

The germplasm collection of 87 wheat-wheatgrass hybrids developed in Tsitisin Main Botanical Garden (Russia, Moscow) was evaluated for resistance to pre-harvest sprouting (PHS) by spike sprouting (SS) and germination index (GI) assays as well as for spike and grain features. The PHS resistance variation and haplotype polymorphism of the wheatgrass ThVp-1 and wheat TaVp-1B genes orthologues of Vp-1 was revealed in the studied collection. Four haplotypes of ThVp-1 were revealed: ThVp-1a (41% of the entries), ThVp-1b (13%), ThVp-1c (29%), and ThVp-1d (15%). The association between the allelic state of ThVp-1 and PHS resistance in the wheat-wheatgrass hybrids was shown: haplotype ThVp-1d of the wheatgrass Vp-1 gene is significantly associated with reduced PHS in the wheat-wheatgrass hybrids (mean SS 0.33, mean GI 0.64). The resistant entries may be perspective as a source of PHS resistance in the development of commercial cultivars of perennial wheat.

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Publisher

Public Library of Science,Public Library of Science (PLoS)

Subject

Agricultural biotechnology

/ Biology and Life Sciences

/ Cereals