Genetic Resources of Cereal and Oilseed Crops for Sustainable Breeding and Food Security II

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Genetics, Genomics and Biotechnology".

Deadline for manuscript submissions: 20 March 2025 | Viewed by 13162

Special Issue Editors


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N. I. Vavilov All-Russian Institute of Plant Genetic Resources, 42-44 Bolshaya Morskaya Street, St. Petersburg 190000, Russia
Interests: genetic diversity; seed storage proteins (polymorphism, genetic control, genomic organization); cytoplasmic male sterility–restoration of fertility (CMS-Rf) genetic systems; theoretical and applied aspects of interspecific hybridization (with special emphasis on sunflower)
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Guest Editor
1. Laboratory of Cell and Genomic Technologies, Russian Potato Research Center, 23 Lorkh Str., Kraskovo, 140051 Moscow Region, Russia
2. Laboratory of Plant Genetics, N.I.Vavilov Institute of General Genetics, Russian Academy of Sciences. 119334 Moscow, Russia
Interests: crop genetics and genomics; plant breeding; biodiversity and evolution
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Genetics, Federal Research Center, The N. I. Vavilov All-Russian Institute of Plant Genetic Resources, 42,44 Bolshaya Morskaya Street, 19000 St.Petersburg, Russia
Interests: cultivated plants and wild relatives; genetic diversity; plant breeding; resistance to harmful organisms
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Cereal and oilseed crops are indispensable for the existence of humankind. They are ubiquitously used for human and animal nutrition, medicinal purposes, and obtaining ecologically friendly materials. Genebanks play an important role in the conservation and the study of plant genetic resources. Collections of genetic resources of cereal and oilseed crops conserved in Genebanks include thousands of accessions that represent old and modern varieties, landraces, breeding lines, and also wild species that can be used for breeding new genotypes with valuable traits.

Due to the domestication "bottleneck" effect in human history, the genetic basis of a number of cereal and oilseed crop species is comparatively narrow. Hybridization with landraces and wild species significantly facilitates the broadening of the genetic diversity of breeding material for resistance to harmful organisms and tolerance to abiotic stressors. Distant hybridization may bring completely new traits that can revolutionize crop breeding and production. As an example, the phenomenon of cytoplasmic male sterility (CMS) and fertility restoration, which is an important factor of speciation during plant evolution, has gained new significance as the basis for seed  production in heterotic hybrid breeding.

The second volume is designed to collect scientific papers on cereal and oilseed crops. We welcome original research, review articles, and communications.

Dr. Irina N. Anisimova
Dr. Svetlana Goryunova
Dr. Eugene Radchenko
Guest Editors

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Keywords

  • cereal and oilseed plants
  • genetics and genomics
  • biodiversity and evolution
  • distant hybridization agronomically important traits
  • CMS-Rf genetic systems

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Related Special Issue

Published Papers (9 papers)

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Research

17 pages, 785 KiB  
Article
Genetic Diversity of Promising Spring Wheat Accessions from Russia and Kazakhstan for Rust Resistance
by Elena Gultyaeva, Ekaterina Shaydayuk, Ekaterina Shreyder, Igor Kushnirenko and Vladimir Shamanin
Plants 2024, 13(17), 2469; https://doi.org/10.3390/plants13172469 - 4 Sep 2024
Viewed by 518
Abstract
Spring bread wheat (Triticum aestivum) is a major crop in Russia and in Kazakhstan. The rust pathogens, leaf rust caused by the fungus Puccinia triticina, stem rust incited by P. graminis and yellow rust caused by P. striiformis, are [...] Read more.
Spring bread wheat (Triticum aestivum) is a major crop in Russia and in Kazakhstan. The rust pathogens, leaf rust caused by the fungus Puccinia triticina, stem rust incited by P. graminis and yellow rust caused by P. striiformis, are the significant biotic factors affecting wheat production. In this study, 40 new promising spring wheat genotypes from the Kazakhstan-Siberia Network for Spring Wheat Improvement (KASIB) were tested for resistance to leaf, stem and yellow rust at the seedling stage, and for identification of rust resistance genes using molecular markers. In addition, the collection was tested for leaf rust resistance and grain yields in the South Urals agroclimatic zone of Russia in 2023. As a result, 16 accessions with seedling resistance to leaf rust, 21 to stem rust and 4 to yellow rust were identified. Three breeding accessions were resistant to all rust species, and nine to P. triticina and P. graminis. Wheat accessions resistant to leaf rust at the seedling stage were also resistant in the field. Molecular analysis showed the presence of cataloged resistance genes, Lr1, Lr3a, Lr9, Lr10, Lr19, Lr20, Lr24, Lr26, Sr15, Sr24, Sr25, Sr31, Sr38, Yr9 and Yr18; uncatalogued genes Lr6Agi1 and Lr6Agi2 from Thinopyrum intermedium and LrAsp from Aegilops speltoides; and 1AL.1RS translocation. The current analysis showed an increase in leaf and stem rust resistance of new KASIB genotypes and their genetic diversity due to the inclusion of alien genetic material in breeding. Full article
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16 pages, 4386 KiB  
Article
Cytological and Molecular Characterization of a New Ogura Cytoplasmic Male Sterility Restorer of Brassica napus L.
by Lan Huang, Yun Ren, Baogang Lin, Pengfei Hao, Kaige Yi, Xi Li and Shuijin Hua
Plants 2024, 13(12), 1703; https://doi.org/10.3390/plants13121703 - 19 Jun 2024
Viewed by 969
Abstract
Ogura cytoplasmic male sterility (CMS) is considered the rapeseed (Brassica napus L.) with the most potential to be utilized as a heterosis system worldwide, but it lacks sufficient restorers. In this study, root tip cell (RTC) mitotic and pollen mother cell (PMC) [...] Read more.
Ogura cytoplasmic male sterility (CMS) is considered the rapeseed (Brassica napus L.) with the most potential to be utilized as a heterosis system worldwide, but it lacks sufficient restorers. In this study, root tip cell (RTC) mitotic and pollen mother cell (PMC) meiosis observations were compared to ensure the number of chromosomes and the formation of a chromosomal bridge using restorer lines R2000, CLR650, and Zhehuhong (a new restorer) as the experimental material. Further, molecular markers of exogenous chromosomal fragments were detected and the sequence and expression differences of restorer genes in the three lines were determined to identify the distinctive characteristics of Zhehuhong. The results showed that the number of chromosomes in Zhehuhong was stable (2n = 38), indicating that the exogenous radish chromosome segment had been integrated into the chromosome of Zhehuhong. Molecular marker detection revealed that Zhehuhong was detected at most loci, with only the RMA05 locus being missed. The exogenous radish chromosome segment of Zhehuhong differed from R2000 and CLR650. The pollen mother cells of Zhehuhong showed chromosome lagging in the meiotic metaphase I, meiotic anaphase I, and meiotic anaphase II, which was consistent with R2000 and CLR650. The restorer gene PPRB in Zhehuhong had 85 SNPs compared with R2000 and 119 SNPs compared with CLR650, indicating the distinctive characteristic of PPRB in Zhehuhong. In terms of the spatial expression of PPRB, the highest level was detected in the anthers in the three restorer lines. In addition, in terms of temporal expression, the PPRB gene expression of Zhehuhong was highest at a bud length of 4 mm. Our results clearly indicated that Zhehuhong is a new restorer line for the Ogura CMS system, which can be used further in rapeseed heterosis utilization. Full article
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19 pages, 6517 KiB  
Article
Genetic Diversity for Effective Resistance in Wheat Landraces from Ethiopia and Eritrea to Fungal Diseases and Toxic Aluminum Ions
by Evgeny V. Zuev, Tatiana V. Lebedeva, Olga V. Yakovleva, Maria A. Kolesova, Alla N. Brykova, Natalia S. Lysenko and Lev G. Tyryshkin
Plants 2024, 13(8), 1166; https://doi.org/10.3390/plants13081166 - 22 Apr 2024
Viewed by 1223
Abstract
To reveal genetic diversity for effective resistance to five foliar diseases and toxic aluminum ions, the entire collection of wheat species from the N.I. Vavilov All-Russian Institute of Plant Genetic Resources (VIR) originating from Ethiopia and Eritrea were studied regarding their traits. The [...] Read more.
To reveal genetic diversity for effective resistance to five foliar diseases and toxic aluminum ions, the entire collection of wheat species from the N.I. Vavilov All-Russian Institute of Plant Genetic Resources (VIR) originating from Ethiopia and Eritrea were studied regarding their traits. The collection contains 509 samples of four wheat species (Triticum aestivum—122 samples; T. aethiopicum—340 samples; T. polonicum—6 samples; and T. dicoccum—41 samples). The majority of accessions are new entries of landraces added to the Vavilov collection as a result of the Russian–Ethiopian expedition in 2012. Wheat seedlings were inoculated with causal agents of leaf rust (Pt), powdery mildew (Bgt), Septoria nodorum blotch (SNB), and dark-brown leaf spot blotch (HLB). The types of reaction and disease development were assessed to describe the levels of resistance. All samples of T. aethiopicum were also screened for seedling and adult resistance to Pt, Bgt, and yellow rust (Pst) under field conditions after double inoculation with the corresponding pathogens. To study tolerance to abiotic stress, seedlings were grown in a solution of Al3+ (185 µM, pH 4,0) and in water. The index of root length was used to characterize tolerance. Seedlings belonging to only two accessions out of those studied—k-68236 of T. aethiopicum and k-67397 of T. dicoccum—were resistant to Pt at 20 °C but susceptible at 25 °C. Specific molecular markers closely linked to the five genes for Pt resistance effective against populations of the pathogen from the northwestern region of Russia were not amplified in these two entries after PCR with corresponding primers. Four entries of T. dicoccum—k-18971, k-18975, k-19577, and k-67398—were highly resistant to Bgt. All samples under study were susceptible to HLB and SNB. Under field conditions, 15% of the T. aethiopicum samples were resistant to Pst, both at the seedling and the flag leaf stages, but all were susceptible to the other diseases under study. Among the evaluated samples, 20 entries of T. aestivum, 1 of T. polonicum (k-43765), and 2 of T. dicoccum (k-18971, k-67397) were tolerant to aluminum ions. The identified entries could be valuable sources for the breeding of T. aestivum and other wheats for resistance to biotic and abiotic stresses. Full article
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19 pages, 940 KiB  
Article
Identification of Wheat Septoria tritici Resistance Genes in Wheat Germplasm Using Molecular Markers
by Alma Kokhmetova, Ardak Bolatbekova, Yuliya Zeleneva, Angelina Malysheva, Sholpan Bastaubayeva, Kanat Bakhytuly, Yerlan Dutbayev and Vladimir Tsygankov
Plants 2024, 13(8), 1113; https://doi.org/10.3390/plants13081113 - 16 Apr 2024
Cited by 1 | Viewed by 1193
Abstract
Zymoseptoria tritici (Z. tritici) is the main threat to global food security; it is a fungal disease that presents one of the most serious threats to wheat crops, causing severe yield losses worldwide, including in Kazakhstan. The pathogen leads to crop [...] Read more.
Zymoseptoria tritici (Z. tritici) is the main threat to global food security; it is a fungal disease that presents one of the most serious threats to wheat crops, causing severe yield losses worldwide, including in Kazakhstan. The pathogen leads to crop losses reaching from 15 to 50%. The objectives of this study were to (1) evaluate a wheat collection for Z. tritici resistance during the adult plant and seedling growth stages, (2) identify the sources of resistance genes that provide resistance to Z. tritici using molecular markers linked to Stb genes, and (3) identify potentially useful resistant wheat genotypes among cultivars and advanced breeding lines. This study evaluated 60 winter and spring wheat genotypes for Z. tritici resistance. According to the field reactions, 22 entries (35.7%) showed ≤10% disease severity in both years. The resistant reaction to a mix of Z. tritici isolates in the seedling stage was associated with adult plant resistance to disease in four wheat entries. The resistance of Rosinka 3 was due to the presence of Stb8; Omskaya 18 showed an immune reaction in the field and a moderately susceptible reaction in the seedling stage, possibly provided by a combination of the Stb7 and Stb2 genes. The high resistance in both the adult and seedling stages of Omskaya 29 and KR11-03 was due to the Stb4 and Stb2 genes and, possibly, due to the presence of unknown genes. A linked marker analysis revealed the presence of several Stb genes. The proportion of wheat entries with Stb genes was quite high at twenty-seven of the genotypes tested (45.0%), including four from Kazakhstan, nine from Russia, nine from the CIMMYT-ICARDA-IWWIP program, and five from the CIMMYT-SEPTMON nursery. Among the sixty entries, ten (16.7%) carried the resistance genes Stb2 and Stb8, and the gene Stb4 was found in seven cultivars (11.6%). Marker-assisted selection can be efficiently applied to develop wheat cultivars with effective Stb gene combinations that would directly assist in developing durable resistance in Kazakhstan. Resistant genotypes could also be used as improved parents in crossing programs to develop new wheat cultivars. Full article
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18 pages, 3812 KiB  
Article
Expression of FAD and SAD Genes in Developing Seeds of Flax Varieties under Different Growth Conditions
by Elena N. Pushkova, Liubov V. Povkhova, Ekaterina M. Dvorianinova, Roman O. Novakovskiy, Tatiana A. Rozhmina, Aleksey A. Gryzunov, Elizaveta A. Sigova, Daiana A. Zhernova, Elena V. Borkhert, Anastasia A. Turba, Arthur G. Yablokov, Nadezhda L. Bolsheva, Alexey A. Dmitriev and Nataliya V. Melnikova
Plants 2024, 13(7), 956; https://doi.org/10.3390/plants13070956 - 26 Mar 2024
Cited by 1 | Viewed by 1102
Abstract
Flax seed is one of the richest plant sources of linolenic acid (LIN) and also contains unsaturated linoleic acid (LIO) and oleic acid (OLE). Stearoyl-ACP desaturases (SADs) and fatty acid desaturases (FADs) play key roles in the synthesis of flax fatty acids (FAs). [...] Read more.
Flax seed is one of the richest plant sources of linolenic acid (LIN) and also contains unsaturated linoleic acid (LIO) and oleic acid (OLE). Stearoyl-ACP desaturases (SADs) and fatty acid desaturases (FADs) play key roles in the synthesis of flax fatty acids (FAs). However, there is no holistic view of which genes from the SAD and FAD families and at which developmental stages have the highest expression levels in flax seeds, as well as the influence of genotype and growth conditions on the expression profiles of these genes. We sequenced flax seed transcriptomes at 3, 7, 14, 21, and 28 days after flowering (DAF) for ten flax varieties with different oil FA compositions grown under three temperature/watering conditions. The expression levels of 25 genes of the SAD, FAD2, and FAD3 families were evaluated. FAD3b, FAD3a, FAD2b-2, SAD3-1, SAD2-1, SAD2-2, SAD3-2, FAD2a-1, and FAD2a-2 had the highest expression levels, which changed significantly during seed development. These genes probably play a key role in FA synthesis in flax seeds. High temperature and insufficient watering shifted the maximum expression levels of FAD and SAD genes to earlier developmental stages, while the opposite trend was observed for low temperature and excessive watering. Differences in the FAD and SAD expression profiles under different growth conditions may affect the FA composition of linseed oil. Stop codons in the FAD3a gene, resulting in a reduced LIN content, decreased the level of FAD3a transcript. The obtained results provide new insights into the synthesis of linseed oil. Full article
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17 pages, 3130 KiB  
Article
Variability of the Main Economically Valuable Characteristics of Cyperus esculentus L. in Various Ecological and Geographical Conditions
by Nina G. Kon’kova, Valentina I. Khoreva, Vitaliy S. Popov, Tamara V. Yakusheva, Leonid L. Malyshev, Alla E. Solovyeva and Tatyana V. Shelenga
Plants 2024, 13(2), 308; https://doi.org/10.3390/plants13020308 - 20 Jan 2024
Cited by 1 | Viewed by 2598
Abstract
This study includes an assessment of the VIR (Center N.I. Vavilov All-Russian Institute of Plant Genetic Resources) chufa collection, grown in various ecological and geographical conditions of the Russian Federation: “Yekaterininskaya experimental station VIR” in the Tambov region and “Kuban experimental station VIR” [...] Read more.
This study includes an assessment of the VIR (Center N.I. Vavilov All-Russian Institute of Plant Genetic Resources) chufa collection, grown in various ecological and geographical conditions of the Russian Federation: “Yekaterininskaya experimental station VIR” in the Tambov region and “Kuban experimental station VIR” in the Krasnodar Region during the years 2020–2021. The main indicators of the economic value of chufa accessions were studied: yield structure and nutritional value (oil, protein, starch, and fatty acid profile). The accessions were grown in regions with different climatic conditions. As a result of the study, the variability of the biochemical and yield characteristics and the correlation between the studied indicators and the factor structure of its variability were established. Of the 20 accessions used in the study, the accessions with the highest protein, starch, oil and unsaturated fatty acid contents were selected, which are the most promising for their use as a raw material to expand the range of regional functional food products, as well as for future breeding efforts in the development of new, promising regional chufa varieties. Full article
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13 pages, 264 KiB  
Article
Genetic Diversity of Barley Accessions from East Asia for Greenbug Resistance
by Evgeny E. Radchenko, Renat A. Abdullaev, Daria E. Akimova and Irina N. Anisimova
Plants 2023, 12(22), 3797; https://doi.org/10.3390/plants12223797 - 8 Nov 2023
Cited by 1 | Viewed by 1105
Abstract
The greenbug, Schizaphis graminum, is a dangerous pest of barley and other grain crops in the south of Russia. An effective and environmentally friendly way to control this insect is to cultivate resistant varieties. The differential interaction between the phytophage and host [...] Read more.
The greenbug, Schizaphis graminum, is a dangerous pest of barley and other grain crops in the south of Russia. An effective and environmentally friendly way to control this insect is to cultivate resistant varieties. The differential interaction between the phytophage and host plants necessitates the search for new donors of resistance. Seven hundred and seventy-eight accessions of barley from East Asian countries (313 from China, 450 from Japan, and 15 from Nepal) were evaluated for greenbug resistance. The Krasnodar population of the insect and clones isolated from it were used in the experiments. Forty heterogeneous accessions were identified, in which plants with a high level of resistance to the aphid were found. As a result of damage assessment by the 108 S. graminum clones of 11 lines selected from heterogeneous accessions, 52 insect virulence phenotypes were identified. Experiments with aphid test clones showed that all 11 lines possess diverse greenbug resistance alleles, which differ from the previously identified Rsg1, but their efficiency is low. The frequency of clones virulent to ten lines and the cultivar Post (a carrier of the Rsg1 gene) varies from 60.4% to 98.0%. The exception is line 15903, which is resistant to the aphid population and protected by one dominant gene. The high resistance of other lines against a part of the natural population of S. graminum is also under oligogenic control. Lines 15600 and 16190 each have one dominant resistance gene, and line 28129 is protected by two genes, the dominant and recessive ones. A recessive resistance gene is presumably present in line 15600. Lines 16237/1 and 16237/2, isolated from the same collection accession, each have one dominant gene effective against individual aphid clones. The loss of effectiveness of distinctly manifested resistance genes causes the expression of previously masked genes with a weak phenotypic manifestation, which differentially interact with insect genotypes. Full article
14 pages, 312 KiB  
Article
Resistance of Modern Russian Winter Wheat Cultivars to Yellow Rust
by Elena Gultyaeva and Ekaterina Shaydayuk
Plants 2023, 12(19), 3471; https://doi.org/10.3390/plants12193471 - 3 Oct 2023
Cited by 4 | Viewed by 1456
Abstract
Over the last decade, the significance of yellow rust caused by Puccinia striiformis (Pst) has substantially increased worldwide, including in Russia. The development and cultivation of resistant genotypes is the most efficient control method. The present study was conducted to explore [...] Read more.
Over the last decade, the significance of yellow rust caused by Puccinia striiformis (Pst) has substantially increased worldwide, including in Russia. The development and cultivation of resistant genotypes is the most efficient control method. The present study was conducted to explore the yellow rust resistance potential of modern common winter wheat cultivars included in the Russian Register of Breeding Achievements in 2019–2022 using the seedling tests with an array of Pst races and molecular markers linked with Yr resistance genes. Seventy-two winter wheat cultivars were inoculated with five Pst isolates differing in virulence and origin. Molecular markers were used to identify genes Yr2, Yr5, Yr7, Yr9, Yr10, Yr15, Yr17, Yr18, Yr24, Yr25 and Yr60. Thirteen cultivars were resistant to all Pst isolates. The genes Yr5, Yr10, Yr15 and Yr24 that are effective against all Russian Pst races in resistant cultivars were not found. Using molecular methods, gene Yr9 located in translocation 1BL.1RS was detected in 12 cultivars, gene Yr18 in 24, gene Yr17 in 3 and 1AL.1RS translocation with unknown Yr gene in 2. While these genes have lost effectiveness individually, they can still enhance genetic diversity and overall yellow rust resistance, whether used in combination with each other or alongside other Yr genes. Full article
18 pages, 1564 KiB  
Article
Bread Wheat Landraces Adaptability to Low-Input Agriculture
by Evangelos Korpetis, Elissavet Ninou, Ioannis Mylonas, Georgia Ouzounidou, Ioannis N. Xynias and Athanasios G. Mavromatis
Plants 2023, 12(13), 2561; https://doi.org/10.3390/plants12132561 - 6 Jul 2023
Cited by 5 | Viewed by 1811
Abstract
Bread wheat landraces were an important source of biodiversity used in agriculture before the widespread adoption of high-yielding commercial cultivars adapted to high inputs. Could future agriculture exploit these landraces in different cropping systems in organic or lower-input environments? A two-year field trial [...] Read more.
Bread wheat landraces were an important source of biodiversity used in agriculture before the widespread adoption of high-yielding commercial cultivars adapted to high inputs. Could future agriculture exploit these landraces in different cropping systems in organic or lower-input environments? A two-year field trial was conducted to evaluate grain yield, agronomic performance, and grain quality of bread wheat landraces under different cropping systems, including low-input/organic/conventional environments. Significant variability was found for almost all characteristics among landraces, which makes landraces valuable sources of genetic variation for breeding programs aimed at achieving high and consistent production as well as high-quality products in low-input/organic environments. Additionally, landraces play a crucial role in expanding the genetic diversity of cultivated bread wheat and mitigating biodiversity erosion, thereby enabling crops to better withstand the challenges of low-input/organic agriculture. The landrace “Xilokastro Lamias” had the highest yield among the landraces evaluated in the first growing season (2.65 t·ha−1) and one of the highest yields (2.52 t·ha−1) of all genotypes in the second growing season, which shows promising potential as a starting material in breeding programs targeting high and stable yields. GGE biplot analysis identified the landrace ”Xilokastro Lamias”, along with commercial cultivars “Yecora E” and “Panifor”, as suitable candidates for direct use in low-input/organic wheat farming systems to achieve enhanced productivity. In the conventional environment (C2-IPGRB), commercial cultivars showed the highest values (3.09 to 3.41 ton·ha−1). Of the landraces, only the X4 showed a high GY (3.10 ton·ha−1) while the other landraces had ~33–85% lower yield. In the organic environment (O2-IPGRB), the highest productivity was found in the commercial cultivar X5 and the landrace X4. Commercial cultivars X8 and X7 showed ~68% reduction in GY in the organic environment compared to the conventional, while this reduction was half for the landraces. Finally, the reduction in grain yield between conventional and organic environments was observed to be 45% for commercial cultivars, while it was only half for landraces. This finding confirms the adaptability of landraces to organic agriculture. Full article
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

1. Elena Gultyaeva1*, Ekaterina Shaydayuk1, Ekaterina Shreyder 2, Igor Kushnirenko2

Genetic diversity of promising spring wheat germplasm from Russia and Kazakhstan for rusts resistance

2. Yakov Demurin 

Allelic interaction of Or7 gene of broomrape resistance in sunflower

3. Irina N. Anisimova

Genetic Resources of cereal and oilseed crops for heterotic hybrid breeding

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