Breeding new varieties and hybrids of agricultural plants

Савченко, И. В.

doi:10.1134/s1019331617020150

Cited by 8 publications

(4 citation statements)

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“…Crop improvement relies on genetic diversity of plant genetic resources. A high genetic diversity provides an opportunity for plant breeders to develop cultivars with desirable characteristics ( Savchenko, 2017 ; Byrne et al, 2018 ). Today’s improved cultivars of various crops, with specific characteristics depending on their use and environmental adaptation, are the result of historical domestication events and intentional as well as unintentional selections by farmers and breeders ( Bradshaw, 2017 ; Stoskopf et al, 2019 ).…”

Section: Introductionmentioning

confidence: 99%

A Genome-Wide Genetic Diversity Scan Reveals Multiple Signatures of Selection in a European Soybean Collection Compared to Chinese Collections of Wild and Cultivated Soybean Accessions

et al. 2021

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Targeted and untargeted selections including domestication and breeding efforts can reduce genetic diversity in breeding germplasm and create selective sweeps in crop genomes. The genomic regions at which selective sweeps are detected can reveal important information about signatures of selection. We have analyzed the genetic diversity within a soybean germplasm collection relevant for breeding in Europe (the EUCLEG collection), and have identified selective sweeps through a genome-wide scan comparing that collection to Chinese soybean collections. This work involved genotyping of 480 EUCLEG soybean accessions, including 210 improved varieties, 216 breeding lines and 54 landraces using the 355K SoySNP microarray. SNP calling of 477 EUCLEG accessions together with 328 Chinese soybean accessions identified 224,993 high-quality SNP markers. Population structure analysis revealed a clear differentiation between the EUCLEG collection and the Chinese materials. Further, the EUCLEG collection was sub-structured into five subgroups that were differentiated by geographical origin. No clear association between subgroups and maturity group was detected. The genetic diversity was lower in the EUCLEG collection compared to the Chinese collections. Selective sweep analysis revealed 23 selective sweep regions distributed over 12 chromosomes. Co-localization of these selective sweep regions with previously reported QTLs and genes revealed that various signatures of selection in the EUCLEG collection may be related to domestication and improvement traits including seed protein and oil content, phenology, nitrogen fixation, yield components, diseases resistance and quality. No signatures of selection related to stem determinacy were detected. In addition, absence of signatures of selection for a substantial number of QTLs related to yield, protein content, oil content and phenological traits suggests the presence of substantial genetic diversity in the EUCLEG collection. Taken together, the results obtained demonstrate that the available genetic diversity in the EUCLEG collection can be further exploited for research and breeding purposes. However, incorporation of exotic material can be considered to broaden its genetic base.

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Section: Introductionmentioning

confidence: 99%

A Genome-Wide Genetic Diversity Scan Reveals Multiple Signatures of Selection in a European Soybean Collection Compared to Chinese Collections of Wild and Cultivated Soybean Accessions

et al. 2021

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“…A compromise is the ranked VIKOR approach, optimal bycomparing the size closest to the replacement is done, and compromise is by mutual concessions an establishedcontract. By traditional to skip the vikor method number complications in solving the problems developed amodified VIKOR method [29]. Table 3 shows the Sj,Rj,Qj by using the previous tabulation it is the sum of the value.…”

Section: Vikor Methodsmentioning

confidence: 99%

Assessment of Hybrid Gene Selection Using the VIKOR Method

2021

rmc

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One of the crucial processes in the classification of microarray data is gene selection. Particle swarm optimization is gaining popularity as a powerful method for genetic selection since it uses fewer parameters and doesn't use complicated evolution operators. Some particle swarm optimization-based gene selection techniques may select non-optimal genes with a high probability because particle swarm optimization is likely to converge to local minima, which may result in premature convergence. It is still difficult to choose prognostic genes with low redundancy without excluding crucial genes.Research significance: Exposure to ionising radiation has been associated to leukaemia, and gene selection often involves two phases. All of the survivors of the World War II atomic bombings in Japan have been shown to have a significant incidence of leukaemia. Functional brain cancer imaging with positron emission tomography and magnetic resonance imaging is widely used to map regional changes in the brain function advanced over Last decade. Appreciating unique contribution of aerobics glycol sis new insights into the role of brain energy metabolism atropines signal transduction have emerged. Diagnoses of colon cancer in the United States the subject of this recommendation is colon cancer. In a different recommendation, rectal cancer is discussed. Smoking status is the most powerful predictor lung function Decrease in smokers with COPD. If you are a smoker advised older people are more likely to quit because they cannot stop smoking or their lungs are already damaged. Similarly, there is a nihilistic approach to that intervenes in smoking cessation. The incidence of Hodgkin's lymphoma, a rare form of cancer, rises in the third decade in women and subsequently drops, whereas in men it stays largely steady after this point. The presence of Hodgkin/Reed-Sternberg cells serves as the basis for the diagnosis of Hodgkin's lymphoma.VIKOR method used in multi-criteria analysis (MCDM). Although a popular method, mcdm problems there are some problems with solving. This study is traditional discussed the problems with VIKOR method. This intention of the take a look at is to resolve issues with the traditional VIKOR technique to keep away from numerical troubles in fixing is modified VIKOR approach to create. From the result it is seen that Leukemia is showing the highest value for SRBCT is showing the lowest value. Resulting in Leukemia ranked first, there SRBCT has low rank

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“…The control of oil tea anthracnose can be divided into prevention and treatment. Breeding and planting resistant plants are important measures to prevent plant disease (Savchenko, 2017). Ca.yuhsienensis Hu, a species of oil tea, was once widely cultivated in central China because of its high quality, yield, and high resistance to anthracnose (Denton-Giles et al, 2013;Denton-Giles, 2014;Cao et al, 2017;Nie et al, 2020).…”

Section: Control Of Anthracnose Of Oil Teamentioning

confidence: 99%

Recent progress on harm, pathogen classification, control and pathogenic molecular mechanism of anthracnose of oil-tea

Chen

Tan

et al. 2022

Front. Microbiol.

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Oil tea (Camellia oleifera), mainly used to produce high-quality edible oil, is an important cash crop in China. Anthracnose of oil tea is a considerable factor that limits the yield of tea oil. In order to effectively control the anthracnose of oil tea, researchers have worked hard for many years, and great progress has been made in the research of oil tea anthracnose. For instance, researchers isolated a variety of Colletotrichum spp. from oil tea and found that Colletotrichum fructicola was the most popular pathogen in oil tea. At the same time, a variety of control methods have been explored, such as cultivating resistant varieties, pesticides, and biological control, etc. Furthermore, the research on the molecular pathogenesis of Colletotrichum spp. has also made good progress, such as the elaboration of the transcription factors and effector functions of Colletotrichum spp. The authors summarized the research status of the harm, pathogen types, control, and pathogenic molecular mechanism of oil tea anthracnose in order to provide theoretical support and new technical means for the green prevention and control of oil tea anthracnose.

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Breeding new varieties and hybrids of agricultural plants

Cited by 8 publications

References 4 publications

A Genome-Wide Genetic Diversity Scan Reveals Multiple Signatures of Selection in a European Soybean Collection Compared to Chinese Collections of Wild and Cultivated Soybean Accessions

A Genome-Wide Genetic Diversity Scan Reveals Multiple Signatures of Selection in a European Soybean Collection Compared to Chinese Collections of Wild and Cultivated Soybean Accessions

Assessment of Hybrid Gene Selection Using the VIKOR Method

Recent progress on harm, pathogen classification, control and pathogenic molecular mechanism of anthracnose of oil-tea

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