Obtaining of interspecific hybrids for pea introgressive breeding

Бобков, С В; Selikhova, T. N.

doi:10.17816/ecogen13340-49

Cited by 3 publications

(2 citation statements)

References 19 publications

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“…Our data call for a reconsideration of Ellis' ( 2011 ) statement, as none of our respective results can clearly link the variant patterns shared among taxonomic groups to introgression events. Moreover, although P. fulvum can be crossed with individuals from the P. sativum complex, such crosses result in very low fractions of fertile progeny (Ben‐Ze’ev & Zohary, 1973 ; Bobkov & Selikhova, 2017 ; Kosterin & Bogdanova, 2015 ). Like Ben‐Ze’ev and Zohary ( 1973 ), who reported monitoring sympatric populations of P. fulvum and wild P. sativum in Israel over many years, we have never observed the typical pale orange to pinkish flower color that is typical to such hybrids during repeated surveys of such Israeli sympatric populations for more than 20 flowering seasons (for partial site lists, see Abbo et al., 2008 ; Abbo, Zezak, et al., 2013 ).…”

Section: Discussionmentioning

confidence: 99%

Phylogeny and disparate selection signatures suggest two genetically independent domestication events in pea (Pisum L.)

2022

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Domestication is considered a model of adaptation that can be used to draw conclusions about the modus operandi of selection in natural systems. Investigating domestication may give insights into how plants react to different intensities of human manipulation, which has direct implication for the continuing efforts of crop improvement. Therefore, scientists of various disciplines study domestication-related questions to understand the biological and cultural bases of the domestication process. We employed restriction siteassociated DNA sequencing (RAD-seq) of 494 Pisum sativum (pea) samples from all wild and domesticated groups to analyze the genetic structure of the collection. Patterns of ancient admixture were investigated by analysis of admixture graphs. We used two complementary approaches, one diversity based and one based on differentiation, to detect the selection signatures putatively associated with domestication. An analysis of the subpopulation structure of wild P. sativum revealed five distinct groups with a notable geographic pattern. Pisum abyssinicum clustered unequivocally within the P. sativum complex, without any indication of hybrid origin. We detected 32 genomic regions putatively subjected to selection: 29 in P. sativum ssp. sativum and three in P. abyssinicum. The two domesticated groups did not share regions under selection and did not display similar haplotype patterns within those regions. Wild P. sativum is structured into well-diverged subgroups. Although Pisum sativum ssp. humile is not supported as a taxonomic entity, the so-called 'southern humile' is a genuine wild group. Introgression did not shape the variation observed within the sampled germplasm. The two domesticated pea groups display distinct genetic bases of domestication, suggesting two genetically independent domestication events.

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Section: Discussionmentioning

confidence: 99%

Phylogeny and disparate selection signatures suggest two genetically independent domestication events in pea (Pisum L.)

2022

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“…Межвидовая гибридизация гороха сталкивается с проблемой репродуктивной несовместимости и отличается низкой эффективностью скрещиваний (Bobkov, Selikhova, 2015). Преодолением барьеров межвидовой несовместимости активно занимаются российские ученые (Bogdanova, Kosterin, 2009;Bobkov, Selikhova, 2015;Kosterin, 2015;Kosterin et al, 2019). В Федеральном научном центре зернобобовых и крупяных культур (г. Орел), к примеру, проведены скрещивания сортов культигена с широким набором образцов P. fulvum.…”

Section: Introductionunclassified

Species Diversity of the Vir Collection of Grain Legume Genetic Resources and Its Use in Domestic Breeding

Vishnyakova

Александрова

Buravtseva

et al. 2019

Trudy po prikladnoy botanike, genetike i selektsii

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The world’s genebanks hold 7.5 million germplasm accessions of plant genetic resources (PGR). One of the qualitative characteristics of the PGR collections is the species diversity, in particular, the presence of crop wild relatives (CWR), which makes it possible to widen the use of gene pools in the breeding process. The collection of the Vavilov Institute (VIR) is one of the most diverse holdings in the number of plant species. A survey is provided here of the species diversity in VIR’s grain legume collection, and its use in domestic breeding practice is analyzed. Comparison of this diversity with the state of PGR exploitation in the world makes it possible to assess the prospects of more efficient utilization of gene pool potential, especially for species that are unjustifiably cultivated on a too small scale or even neglected as crops in this country. The VIR collection of grain legumes incorporates 196 species from 9 genera of the family Fabaceae. This number includes cultigens and CWR. The cultivars of 21 species of grain legumes listed in the State Register of Breeding Achievements (2018) are adapted to the soil and climate conditions of this country. However, the species diversity of the collection could be used more efficiently in domestic plant breeding and crop production. This concerns both underutilized crops in Russia (broad beans, lima beans and grass pea) and those whose adaptive potential is adjusted only to certain and limited areas of the Russian Federation (Tepary beans and Vigna spp.). It is also necessary to exploit more efficiently species of the wild flora, both for direct utilization as pastures, green manure or phytoremediation crops and for introgressive breeding and domestication (Vicia benghalensis L., V. narbonensis L., Lathyrus sylvestris L., Lupinus hartwegii Lindl., etc.). Incorporation of crop wild relatives into the breeding process is promising for crop improvement in a number of aspects: for example, to increase resistance to diseases, pests, abiotic stressors, etc.

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Development of initial material for pea breeding using the methods of hybridization and physical mutagenesis

Давлетов

Гайнуллина

Karimov

2022

Zernovoe hozâjstvo Rossii

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Breeding of new highly productive, adaptive, technologically advanced pea varieties plays an important role in increasing the fund of food protein. In this case, the key role belongs to the initial material. Hybridization and mutagenesis methods are widely used to develop initial material. Intervarietal hybridization allows developing hybrid progeny with a combination of valuable traits of parental forms. However, the main problem of current breeding has become a decrease in the genetic diversity of cultivated plants, including peas. One of the ways to improve genetic polymorphism is the use of induced mutagenesis. X-ray radiation is a highly effective physical mutagen, which is successfully used in mutation breeding to improve productivity of cultivated plants and obtain new traits. In this regard, the purpose of the current work was to identify a new pea breeding material using the hybridization method and ionizing radiation. The trails were carried out in 2011-2020 in the laboratory for breeding and seed production of leguminous crops of the BRIA of the FSBSI UFRC RAS. There were selected the varieties and lines of local peas, as well as the VIR collection variety samples as the material for the study. Hybridization was carried out according to the principle of genetic remoteness of parental forms. For induced mutagenesis, the seeds of the varieties ‘Pamyati Khangildina’ and ‘Aksaisky Usatiy 55’ were subjected to various doses of X-ray radiation. As a result of hybridization, there has been developed a promising breeding material characterized by large seed productivity, a shortened growing season, and manufacturability. The hybrid line ‘L-31315/14’ was sent to the State Variety Testing in 2019 as a variety ‘Pamyati Popova’. The mutant pea lines ‘L-18’ and ‘L-65’, developed from the variety ‘Pamyati Khangildina’, exceeded the initial variety on 0.16 and 0.11 t/ha in productivity, and on 1.8 and 1.5%, respectively, in protein.

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Obtaining of interspecific hybrids for pea introgressive breeding

Cited by 3 publications

References 19 publications

Phylogeny and disparate selection signatures suggest two genetically independent domestication events in pea (Pisum L.)

Phylogeny and disparate selection signatures suggest two genetically independent domestication events in pea (Pisum L.)

Species Diversity of the Vir Collection of Grain Legume Genetic Resources and Its Use in Domestic Breeding

Development of initial material for pea breeding using the methods of hybridization and physical mutagenesis

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