scholarly journals Assessment of genetic divergence of deshi jute (Corchorus capsularis) germplasms by using phenotypic characters

2020 ◽  
Vol 31 (1) ◽  
pp. 10-18
Author(s):  
A Miah ◽  
NR Saha ◽  
MY Ali ◽  
M Kamrujjaman ◽  
MSMS Parvej
Keyword(s):  
Genetic Divergence ◽  
Agronomic Traits ◽  
Seed Traits ◽  
Base Diameter ◽  
Qualitative Traits ◽  
Phenotypic Characters ◽  
Corchorus Capsularis ◽  
Fiber Traits ◽  
Stem Colour ◽  
Range Of Variation

Twenty-two morpho-agronomic traits of 42 jute genotypes, including 4 varieties with 38 accessions of C. capsularis were evaluated to assess the extent and patterns of variability and their relationships. Seed traits exhibited a wider range of variation than fiber traits. Qualitative traits were also the most informative. Considerable ranges of variability were observed in stem colour, petiole colour, stipule colour, plant technical height, base diameter, dry fibre weight and dry stick weight. Based on major yield contributing characters’ accessions 628, 633, 635 and 646 performed better in most of the cases than the control variety   CVL-1, CVE-3, BJC-7370 and BJC-83. Progressive Agriculture 31 (1): 10-18, 2020

scholarly journals Genetic divergence analysis of deshi jute (Corchorus capsularis) based on fibre yield and its attributing traits

2020 ◽  
Vol 31 (1) ◽  
pp. 26-35
Author(s):  
A Miah ◽  
NR Saha ◽  
MY Ali ◽  
M Kamrujjaman ◽  
MSMS Parvej ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Genetic Variability ◽  
Genetic Divergence ◽  
Experimental Plant ◽  
Base Diameter ◽  
Core Diameter ◽  
Plant Materials ◽  
Corchorus Capsularis ◽  
Fibre Yield ◽  
Research Institute

Commercially important natural fibres considered as fiber of the future are obtained from the bark of two jute species (Corchorus capsularis L. and Corchorus olitorius L.), and they are cultivated in different south-east Asian countries including India and Bangladesh. Unfortunately, they are characterized by narrow genetic variability for adaptability to not only various agronomic environments, but also fibre yield, quality and susceptibility to diseases and pests. Therefore, research on genetic divergence in this crop is very important in formulating a successful breeding program for evolving cultivars superior in both yield and quality to cater to the increasing demand of value added jute products in the domestic and international markets. In our study, which was conducted at the Central Jute Research Experiment Station of Bangladesh Jute Research Institute (BJRI), during Kharif seasons of 2015.44 accessions of deshi jute (Corchorus capsularis L.) originated from different countries and two varieties CVL-1 and CVE-3 (developed from Bangladesh Jute Research Institute) as check were investigated to study the genetic variability, genetic diversity and degree of association of different component characters related to fiber yield. The seeds of experimental plant materials were grown in Randomized Complete Block Design with three replications. Statistical analysis was run to find out the genotypic and phenotypic variances, correlations and cluster analysis for fibre yield related traits namely technical height (m), leaf angle (dg), leaf length (cm), leaf width (cm), petiole length (cm), node no., base diameter (mm), middle diameter (mm), top diameter (mm), core diameter (mm), dry fibre weight (g), dry stick weight (g). Highly significant differences were observed among the genotypes for all the characters. Substantial amounts of genotypic variance were also obtained for all characters. Fibre weight was significantly and positively correlated with node no., base diameter, middle diameter, top diameter and core diameter. The clustering pattern revealed considerable amount of genetic diversity observed among the genotypes studied here and the accessions were grouped into five clusters. From two years’ evaluation it was revealed that the accessions 2512, 2445, 2749 and 2533performed better in most of the cases than the control varieties CVL-1 and CVE-3. These accessions may be used as parents for future variety development program. Progressive Agriculture 31 (1): 26-35, 2020

scholarly journals Assessment of genetic variability in different kenaf (Hibiscus cannabinus) germplasm using morpho-agronomic traits

2020 ◽  
pp. 5-12
Author(s):  
Arju Miah ◽  
A. K. M. Shahadat Hossain ◽  
Nihar Ranjan Saha ◽  
Md. S. M. Shahriar Parvej ◽  
Md. Younus Ali ◽  
...  
Keyword(s):  
Genetic Variability ◽  
Agronomic Traits ◽  
Hibiscus Cannabinus ◽  
Agronomic Characters ◽  
Base Diameter ◽  
Effective Utilization ◽  
Varietal Identification ◽  
Superior Genotypes ◽  
Stem Colour ◽  
Better Than

Kenaf (Hibiscus cannabinus L.) is a fiber crop classified in the genus Hibiscus (Malvaceae), and has a great potential for its multipurpose utilization, in addition to its traditional usage. Varietal identification of kenaf is always problematic and knowledge on genetic variability of kenaf varieties is also limited, which significantly hindered our effective utilization and conservation of the valuable kenaf germplasm. In order to find a proper method for identifying kenaf varieties and studying their variation, morpho-agronomic characters were analyzed. Fifty eight accessions of kenaf germplasm collected from Gene Bank Department of Bangladesh Jute Research Institute were characterized at Jute Agriculture Experiment Station, Manikganj during April 2014 to December 2014. The accessions were characterized for fifteen morpho-agronomic attributes as per Hibiscus descriptor in order to select superior genotypes for the genetic improvement of kenaf. Considerable ranges of variability were observed in stem colour, petiole colour, plant height, base diameter, dry fibre weight, dry core weight, green weight with leaves and green weight without leaves. Based on major yield contributing characters accessions 1653, 3384, 3928 and 4202 performed better than the control varieties HC-2 and HC-95.

scholarly journals Application of ribotyping and IS200 fingerprinting to distinguish the five Salmonella serotype O6,7[ratio ]c[ratio ]1,5 groups: Choleraesuis sensu stricto, Choleraesuis var. Kunzendorf, Choleraesuis var. Decatur, Paratyphi C, and Typhisuis

1999 ◽  
Vol 123 (1) ◽  
pp. 37-46 ◽  
Author(s):  
S. UZZAU ◽  
M. HOVI ◽  
B. A. D. STOCKER
Keyword(s):  
Genetic Divergence ◽  
Sensu Stricto ◽  
Rate Of Change ◽  
The Other ◽  
Suitable Method ◽  
Phenotypic Characters ◽  
Microbiological Methods ◽  
Salmonella Serotype ◽  
Flagellar Antigen ◽  
High Degree

Sixty-seven strains of the five described Salmonella serotypes having antigens 6,7[ratio ]c[ratio ]1,5, that is S. enterica serotype Choleraesuis sensu stricto, Choleraesuis var. Kunzendorf, Choleraesuis var. Decatur, Paratyphi C, and Typhisuis, were examined for 16S rrn profile ribotype, presence of IS200 and phenotypic characters, including rate of change of flagellar-antigen phase and nutritional character. Choleraesuis sensu stricto and its Kunzendorf variant had related but distinct ribotypes. Therefore, ribotyping appears to be a suitable method for differentiating Choleraesuis non-Kunzendorf from Choleraesuis var. Kunzendorf. Some strains of Paratyphi C had 16S profiles that resembled that of Choleraesuis non-Kunzendorf, while others resembled that of Choleraesuis var. Kunzendorf. The Typhisuis profiles were like those of Choleraesuis non-Kunzendorf, while the Choleraesuis var. Decatur profiles were unlike those of any of the other four groups. Furthermore, IS200 fingerprinting discriminated between Choleraesuis var. Decatur and the other strains with antigenic formula O6,7[ratio ]c[ratio ]1,5, and comparison of IS200 patterns showed a high degree of genetic divergence within Choleraesuis var. Decatur. Our findings show that ribotyping and IS200 fingerprinting, combined with classical microbiological methods, distinguish the groups Choleraesuis non-Kunzendorf, Choleraesuis var. Kunzendorf, Choleraesuis var. Decatur, Paratyphi C and Typhisuis.

scholarly journals combining ability for yield and yield contributing characters of white jute (Corchorus capsularis L.)

1970 ◽  
Vol 39 (1) ◽  
pp. 79-85
Author(s):  
Rahima Khatun ◽  
RH Sarker ◽  
MA Sobhan
Keyword(s):  
Key Words ◽  
Plant Height ◽  
Combining Ability ◽  
Reciprocal Cross ◽  
General Combining Ability ◽  
Predominant Role ◽  
Base Diameter ◽  
Corchorus Capsularis ◽  
Additive Gene ◽  
Fibre Yield

Crosses were made between three varieties and seven accessions of white jute (Corchorus capsularis L.) in all possible combinations to establish 10 × 10 full diallel set. Variances for general combining ability (GCA) and specific combining ability (SCA) were significant or highly significant for all the characters indicating additive and non-additive gene actions played predominant role for expression of these characters. The magnitudes of GCA variance were higher than the corresponding SCA variance confirmed the predominance of additive genetic variations for these traits. The variety CVL-1 and Acc. 1831 were good general combiners for plant height, technical height, base diameter, number of nodes, bark weight, fibre weight and stick weight. Crosses, var. CVL-1 × Acc. 1831, Accs. 3695 × 4087, Accs. 1831 × 1833, Accs.1831 × var.CC-45, Acc. 2146 × var. A-38 and Acc. 2146 × var.CC-45 revealed significant positive SCA effect for fibre weight. Significant reciprocal SCA effect was observed in crosses, Accs.1832 × 3695, Accs.1833 × 1831 and Acc. 4087 × var.CVL-1. Crosses, var. CVL-1 × Acc.1831, Accs. 3695 × 4087, Acc.1831 × var.CC-45, Acc.2146 × var.CC-45 and a reciprocal cross, Accs.1833 × 1831 were found to be good specific combiners for bark weight, fibre weight and stick weight. Key words: Combining ability; Fibre yield; White jute DOI: 10.3329/bjb.v39i1.5530Bangladesh J. Bot. 39(1): 79-85, 2010 (June)

scholarly journals Genetic divergence of the common bean (Phaseolus vulgaris L.) group Carioca using morpho-agronomic traits by multivariate analysis

Hereditas ◽  
2007 ◽  
Vol 144 (1) ◽  
pp. 1-9 ◽  
Author(s):  
ANA CRISTINA GONÇALVES CEOLIN ◽  
MARIA CELESTE GONÇALVES-VIDIGAL ◽  
PEDRO SOARES VIDIGAL FILHO ◽  
MARCUS VINÍCIUS KVITSCHAL ◽  
ADRIANA GONELA ◽  
...  
Keyword(s):  
Multivariate Analysis ◽  
Phaseolus Vulgaris ◽  
Common Bean ◽  
Genetic Divergence ◽  
Agronomic Traits ◽  
Phaseolus Vulgaris L ◽  
The Common

scholarly journals Principal Component Analysis of Some Quantitative and Qualitative Traits in Iranian Spinach Landraces

2017 ◽  
Vol 71 (4) ◽  
pp. 307-310
Author(s):  
Mehdi Mohebodini ◽  
Naser Sabaghnia ◽  
Farhad Behtash ◽  
Mohsen Janmohammadi
Keyword(s):  
Principal Component Analysis ◽  
Principal Components ◽  
Quantitative Traits ◽  
Agronomic Traits ◽  
Principal Component ◽  
Component Analysis ◽  
Leaf Width ◽  
Petiole Length ◽  
Qualitative Traits ◽  
Eigen Values

Abstract Landraces of spinach in Iran have not been sufficiently characterised for their morpho-agronomic traits. Such characterisation would be helpful in the development of new genetically improved cultivars. In this study 54 spinach accessions collected from the major spinach growing areas of Iran were evaluated to determine their phenotypic diversity profile of spinach genotypes on the basis of 10 quantitative and 9 qualitative morpho-agronomic traits. High coefficients of variation were recorded in some quantitative traits (dry yield and leaf area) and all of the qualitative traits. Using principal component analysis, the first four principal components with eigen-values more than 1 contributed 87% of the variability among accessions for quantitative traits, whereas the first four principal components with eigen-values more than 0.8 contributed 79% of the variability among accessions for qualitative traits. The most important relations observed on the first two principal components were a strong positive association between leaf width and petiole length; between leaf length and leaf numbers in flowering; and among fresh yield, dry yield and petiole diameter; a near zero correlation between days to flowering with leaf width and petiole length. Prickly seeds, high percentage of female plants, smooth leaf texture, high numbers of leaves at flowering, greygreen leaves, erect petiole attitude and long petiole length are important characters for spinach breeding programmes.

scholarly journals Genetic divergence in snap bean based on agronomic traits and resistance to bacterial wilt

2009 ◽  
Vol 9 (3) ◽  
pp. 246-252 ◽  
Author(s):  
W. Krause ◽  
R. Rodrigues ◽  
L.S.A. Gonçalves ◽  
F.V. Bezerra Neto ◽  
N.R. Leal
Keyword(s):  
Bacterial Wilt ◽  
Genetic Divergence ◽  
Agronomic Traits ◽  
Snap Bean

scholarly journals Genetic divergence of sweet potato genotypes based on morpho-agronomic traits

2021 ◽  
Vol 39 (2) ◽  
pp. 229-235
Author(s):  
Darllan JLSF de Oliveira ◽  
Maria Eduarda F Otoboni ◽  
Bruno E Pavan ◽  
Maria Isabel Andrade ◽  
Pablo F Vargas
Keyword(s):  
Sweet Potato ◽  
Genetic Divergence ◽  
Morphological Traits ◽  
Agronomic Traits ◽  
Descriptive Analysis ◽  
Leaf Size ◽  
Human Consumption ◽  
Labor Costs ◽  
Relative Contribution ◽  
Peel Color

ABSTRACT Sweet potato is a vegetable of great importance in human consumption, due to its high nutritional value. It presents high phenotypic variation, with different forms of roots, leaves and vines. Given the above, we aimed to study the genetic divergence of sweet potato genotypes based on morpho-agronomic traits. The experiment was conducted in an experimental area of Unesp, Ilha Solteira Campus, located in Selvíria-MS. The experimental design used was randomized blocks with two replicates, including 200 genotypes and ‘Beauregard’ as a biofortified control. Shoot morphological traits of the genotypes were evaluated at 110 days and root morphological traits were evaluated at 127 days after planting. We used the obtained data to perform descriptive analysis, in percentage of phenotypic classes. In order to study genetic divergence, multivariate analysis was performed, grouping was done using Tocher’s and Ward’s methods. We also analyzed relative contribution of each trait for genetic divergence. Statistical analyzes were performed using Genes software and SAS. Wide genetic variability could be verified in the population studied in this experiment, being possible to obtain genetic gains in recombination between genotypes. Grouping using Tocher’s method was more effective for discriminating dissimilarity between genotypes. The low relative importance of leaf size, internode diameter and secondary peel color makes further evaluation of these traits unnecessary, reducing labor costs, cost and execution time.

scholarly journals Forest Dormouse (Dryomys nitedula) populations in southern Italy belong to a deeply divergent evolutionary lineage

2017 ◽  
Author(s):  
R. Bisconti ◽  
G. Aloise ◽  
A. Siclari ◽  
V. Fava ◽  
M Provenzano ◽  
...  
Keyword(s):  
Genetic Divergence ◽  
Growth Hormone Receptor ◽  
Southern Italy ◽  
Phylogenetic Analyses ◽  
Nuclear Gene ◽  
Small Rodent ◽  
Mountain Areas ◽  
Phenotypic Characters ◽  
Evolutionary Lineage ◽  
Mitochondrial Cytochrome B

AbstractThe Forest Dormouse (Dryomys nitedula) is a small rodent with a wide, albeit severely fragmented distribution, ranging from central Europe to central Asia. Within the Italian region, D. nitedula populations are restricted to forested mountain areas of two largely disconnected regions, the eastern Alps and the Calabria region, where two distinct subspecies (D. nitedula intermedius and D. nitedula aspromontis, respectively) have been described on the basis of phenotypic characters (i.e., fur colour). Here we analysed D. nitedula samples from both regions, to investigate patterns of genetic divergence and phylogenetic relationship among these two populations. Genetic variation was studied at the level of one mitochondrial (cytochrome b gene) and three nuclear gene fragments (exon1 of the interstitial retinoid-binding protein, exon 10 of the growth hormone receptor, and recombination activating gene 1). Phylogenetic analyses were performed using Maximum Likelihood and Bayesian inference methods. D. n. aspromontis and D. n. intermedius were found to be reciprocally monophyletic in all the phylogenetic analyses, and the genetic divergence observed between them at the mitochondrial CYTB gene was conspicuous (HKY: 0.044) when compared to previously observed values among many sister species of rodents. Our results clearly show that D. nitedula aspromontis is a deeply divergent, narrow endemic evolutionary lineage, and its conservation needs should be carefully evaluated in the near future. Moreover, such deep genetic divergence, together with phenotypic differentiation between D. n. intermedius and D. n. aspromontis, suggest that D. nitedula populations in southern Italy might belong to a distinct, previously unrecognized species.

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