scholarly journals Genetic Diversity of Agronomic Traits in Advanced Breeding Lines of Rice (Oryza Sativa)

2019 ◽  
Vol 11 (30) ◽  
pp. 178-187
Author(s):  
Alireza Nabipour ◽  
Mohammad Norouzi ◽  
◽  
Keyword(s):  
Genetic Diversity ◽  
Oryza Sativa ◽  
Agronomic Traits ◽  
Breeding Lines

Genetic Diversity of Local Upland Rice (Oryza sativa L.) Genotypes Based on Agronomic Traits and Yield Potential in North Buton, Indonesia

2017 ◽  
Vol 9 (4) ◽  
pp. 109-117 ◽  
Author(s):  
Budianti Kadidaa ◽  
Gusti Ray Sadimantar ◽  
Suaib . ◽  
La Ode Safuan ◽  
Muhidin .
Keyword(s):  
Genetic Diversity ◽  
Oryza Sativa ◽  
Agronomic Traits ◽  
Upland Rice ◽  
Oryza Sativa L ◽  
Yield Potential

scholarly journals Genetic diversity of physical, nutritional and functional properties of cowpea grain and relationships among the traits

2015 ◽  
Vol 14 (1) ◽  
pp. 67-76 ◽  
Author(s):  
Satoru Muranaka ◽  
Mariko Shono ◽  
Takao Myoda ◽  
Junko Takeuchi ◽  
Jorge Franco ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Crude Protein ◽  
Agronomic Traits ◽  
Sub Saharan Africa ◽  
Small Scale ◽  
Cash Income ◽  
Breeding Lines ◽  
Nutrient Contents ◽  
Sub Saharan ◽  
Small Scale Farmers

Cowpea is traditionally important as an affordable source of protein and minerals and of cash income in sub-Saharan Africa, especially for small-scale farmers who have limited options for food and cash crops. The development and deployment of cowpea varieties with improved nutrition and quality that meet the needs of farmers and consumers should enhance cowpea consumption and production in the region. We have identified genetic diversity in various grain quality-related traits of cowpea and relationships among the traits. Wide genetic variation and strong correlations among crude protein, Fe and Zn contents suggest the possibility of improving the concentrations of these nutritional factors simultaneously. Low associations among physical and nutritional properties of grain indicate the possibility of introgressing favorable traits utilizing identified genetic resources. However, narrow variation in amino acid (AA) composition suggests a lesser possibility of improving the contents of specific AAs in cowpea, but it gave a reliable nitrogen-to-protein conversion factor of 5.45 for the estimation of crude protein content. Several improved breeding lines were identified with low concentrations of flatulence-causing oligosaccharides and various favorable agronomic traits and nutrient contents. TVu-12802 had the highest contents of crude protein and high contents of micronutrients, with a low ratio of phytic acid to Fe and Zn contents.

scholarly journals Analysis of Population Structure and Genetic Diversity in Rice Germplasm Using SSR Markers: An Initiative Towards Association Mapping of Agronomic Traits in Oryza Sativa

Rice ◽  
2015 ◽  
Vol 8 (1) ◽  
Author(s):  
Vishnu Varthini Nachimuthu ◽  
Raveendran Muthurajan ◽  
Sudhakar Duraialaguraja ◽  
Rajeswari Sivakami ◽  
Balaji Aravindhan Pandian ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Population Structure ◽  
Oryza Sativa ◽  
Association Mapping ◽  
Ssr Markers ◽  
Agronomic Traits ◽  
Rice Germplasm

scholarly journals Genetic Diversity among Selected Medicago sativa Cultivars Using Inter-Retrotransposon-Amplified Polymorphism, Chloroplast DNA Barcodes and Morpho-Agronomic Trait Analyses

Plants ◽  
2020 ◽  
Vol 9 (8) ◽  
pp. 995
Author(s):  
Abdelfattah Badr ◽  
Nahla El-Sherif ◽  
Sara Aly ◽  
Shafik D. Ibrahim ◽  
Mohamed Ibrahim
Keyword(s):  
Genetic Diversity ◽  
Medicago Sativa ◽  
Chloroplast Dna ◽  
Genetic Relatedness ◽  
Agronomic Traits ◽  
Principal Component ◽  
Dna Barcodes ◽  
Breeding Lines ◽  
Molecular Approaches ◽  
High Forage

Alfalfa (Medicago sativa L.) is a major forage crop of family Fabaceae and is frequently cultivated in Egypt. The present study is concerned with the genetic discrimination of fifteen alfalfa cultivars from three different countries (Egypt, Australia, and USA) using two molecular approaches: inter-retrotransposon-amplified polymorphism (IRAP) markers and two chloroplast DNA barcodes matK and the trnH in addition to the analysis of fifteen morpho-agronomic traits. The genetic relatedness, based on analysis of IRAP marker polymorphism and produced using eleven primers by clustering via principal component analysis (PCA) and multivariate heatmap biostatistical methods differentiated the two Egyptian cultivars EGY1-Ismailia1 and EGY2-Nubaria1 from the three Australian and seven American cultivars, with some distinction of the cv. USA6-SW9720 and cv. AUS4-SuperFast. The results were also supported by the sequence analysis of the matK and the trnH genes on the genetic relatedness between eight cultivars. Moreover, it might be suggested that breeding lines from M. sativa cultivars may provide novel insights and a better understanding of the domestication of M. sativa genetic diversity. The classification of the eight cultivars, as revealed by morpho-agronomic traits, confirmed the close genetic relationship between the two Egyptian cultivars and indicated some resemblance between them and the AUS2-Siri Nafa, whereas the two American cultivars, USA1-Super supreme and USA4-Cuf101, were clearly isolated from a cluster of other three cultivars USA7-SW9628, USA8-Magna901, and USA9-Perfect. The results are useful sources of genetic information for future breeding programs in crop development and open new possibilities of producing M. sativa lines harboring high forage quality, productivity, and resistance to biotic and abiotic stresses.

scholarly journals Genetic relationship among introduced lentil germplasm using agronomic traits and ISSR markers

Genetika ◽  
2018 ◽  
Vol 50 (2) ◽  
pp. 575-590
Author(s):  
Sevda Babayeva ◽  
Zeynal Akparov ◽  
Litfer Amirov ◽  
Kamila Shikhaliyeva ◽  
Saida Hasanova ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Agronomic Traits ◽  
Issr Markers ◽  
High Yield ◽  
Grain Legume ◽  
Improvement Program ◽  
Breeding Lines ◽  
Genetic Base ◽  
Inter Simple Sequence Repeats ◽  
New Varieties

Lentil (Lens culinaris Medik.) is an annual, cool-season grain legume playing an important role in human and animal nutrition, as soil fertility maintenance. National lentil improvement program in Azerbaijan is currently focused on extending the genetic base of the lentil collection through the introduction of new breeding lines from ICARDA and involving them into breeding. The present study was aimed to evaluate the performance of lentil collection, mainly comprised of ICARDA-derived breeding lines for yield traits under Azerbaijan condition and assess genetic diversity among them using inter simple sequence repeats (ISSR) markers. Many breeding lines of ICARDA exhibited agro-morphological performance superior to those of the local improved varieties. Our studies confirmed that the genetic base of the studied lentil collection is quite above board. A total of 71 bands were generated using 7 ISSR primers in 47 lentil genotypes, of which 62 were polymorphic. Genetic diversity values varied from 0.61 (UBC 848) to 0.95 (UBC 835), with a mean of 0.81. ISSR dendrogram was able to clearly distinguish all lentil accessions. Clear tendention was observed on clustering of genotypes according to their pedigree or origin with few exeptions. The results obtained from the Principal Coordinate Analysis were consistent with the results of cluster analysis, with minor differences. Breeding lines with high agronomic performance and sufficient genetic distance from this study can be used as appropriate parents to get more heterotic recombinants. This will accelerate the creation of new varieties well adapted to eco-geographic condition of Azerbaijan with stable and high yield.

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