scholarly journals Inheritance of Qualitative Morphological Traits and Variation of Quantitative Agronomic Traits of Enset (Ensete Ventricosum (Welw.) Cheesman) Clones Obtained From Wolaita Zone, Southern Ethiopia

2021 ◽  
Author(s):  
Mesfin Kebede Gessese ◽  
Abraham Bosha
Keyword(s):  
Mixed Mode ◽  
Morphological Traits ◽  
Quantitative Traits ◽  
Agronomic Traits ◽  
Study Data ◽  
Morphological Data ◽  
Southern Ethiopia ◽  
Genetic Structures ◽  
Wild Progenitors ◽  
Better Than

The present cultivated enset clonal landraces in Ethiopia originated from few wild progenitors. However, enset has a mixed mode of reproduction in which, the wild enset reproduces sexually through seeds, while cultivated enset is generally propagated vegetatively. The objective of this study was to understand the genetic structures of enset cultivars and estimate their genetic variability by evaluating the morphological data generated from progenies of cultivated and wild enset clones. Hence, seeds collected from six cultivated and four wild enset genotypes were used for this study. Data on four qualitative and six quantitative morphological traits were recorded from the progenies of the 10 enset genotypes. Progenies of seven enset genotypes segregated with 3:1 genetic ratio while progenies of the remaining genotypes segregated differently for the qualitative traits considered. With regard to the quantitative traits, the progenies of the 10 enset genotypes differed significantly for five of the six traits except pseudostem length. Generally the cultivated clones performed better than the wild types. This study demonstrated the possibility of creating genetic variation through selfing of the existing clones of enset for traits of interest and makes improvements either through selection or crossing the elite types to develop novel cultivar

scholarly journals GENETIC ANALYSIS OF QUALITATIVE AND QUANTITATIVE TRAITS AMONG PROGENIES OF ENSET CLONES ORIGINATED FROM SOUTHERN ETHIOPIA

2021 ◽  
Vol 22 (2) ◽  
pp. 66
Author(s):  
Abraham Bosha ◽  
Mesfin Kebede Gessese
Keyword(s):  
Genetic Analysis ◽  
Morphological Traits ◽  
Quantitative Traits ◽  
Agronomic Traits ◽  
Segregation Ratio ◽  
Study Data ◽  
Leaf Length ◽  
Southern Ethiopia ◽  
Wild Progenitors ◽  
Better Than

<p>The present cultivated enset (<em>Ensete ventricosum</em>) clonal landraces in Ethiopia originated from few wild progenitors. However, enset has a mixed mode of reproduction in which, the wild enset reproduces sexually through seeds, while cultivated enset is generally propagated vegetatively. The objectives of this study were to determine the genetic structure of enset cultivars through genetic analysis of qualitative morphological traits and estimate their genetic variability by evaluating the quantitative agronomic traits data generated from progenies of cultivated and wild enset genotypes. Hence, seeds collected from six cultivated and four wild enset genotypes were used for this study. Data on four qualitative and six quantitative morphological traits were recorded from the progenies of the 10 enset genotypes. Progenies of seven enset genotypes segregated in a 3:1 segregation ratio while progenies of the remaining genotypes segregated differently for the qualitative traits considered. With regard to the quantitative traits, the progenies of the 10 enset genotypes differed significantly for five of the six traits except pseudostem length. The cultivated clones, in general performed better than that of the wild types. Moderate heritability (h2b) estimates and high genetic advances were obtained for leaf length (0.38, 62.0%), pseudostem circumference (0.35, 78.5%), and plant height (0.30, 19.1%) indicating selection for these traits indirectly improves economic yield of enset clones. This study demonstrated the possibility of creating genetic variation through selfing the existing enset genotypes for traits of interest and making improvements either through selection or crossing the elite types to develop novel enset cultivars.</p>

Performance Evaluation of Grain Yield and Yield Related Traits in Common bean Genotypes at Yabello and Abaya, Southern Ethiopia

1970 ◽  
Vol 3 ◽  
pp. 28-34
Author(s):  
Ejigu Ejara, Wassu Mohammed, Berhanu Amsalu ◽  
Zinash Misgana, Mulatu Gabisa, Ganane Tasama
Keyword(s):  
Grain Yield ◽  
Common Bean ◽  
Agronomic Traits ◽  
Southern Ethiopia ◽  
Design Data ◽  
Nutrition Security ◽  
Lattice Design ◽  
Food And Nutrition ◽  
Borana Zone ◽  
Home Consumption

Common bean is among the major crops grown in southern Ethiopia including Borana zone where the majority of the farmers are Agro-pastoralist and produce the crop mainly for home consumption. The area has potential to the production of common bean for food and nutrition security as well as export commodity. However, scarcity of varieties that fit to the environment is one of the major constraints of production. Therefore, this experiment was conducted to evaluate 36 common bean genotypes including seven released varieties to evaluate performance of genotypes for yield and agronomic traits. The field experiment was conducted in 2015 at two locations (Abaya and Yabello) and genotypes were planted in triple lattice design. Data were collected on yield and important agronomic traits. Analysis of variance computed for individual locations and combined analysis over locations revealed significant variations among genotypes for all traits. Moreover, 16.67% of the genotypes had mean grain yield greater than the best performing released variety across locations and the genotypes showed a grain yield as high as 3.25 tons ha-1. Based on results of this study it is recommended to test the high yielding and early maturing genotypes at many locations to develop preferred varieties across many locations.

scholarly journals Supporting Physiological Trait for Indirect Selection for Grain Yield in Drought-Stressed Popcorn

Plants ◽  
2021 ◽  
Vol 10 (8) ◽  
pp. 1510
Author(s):  
Samuel Henrique Kamphorst ◽  
Gabriel Moreno Bernardo Gonçalves ◽  
Antônio Teixeira do Amaral Júnior ◽  
Valter Jário de Lima ◽  
Kátia Fabiane Medeiros Schmitt ◽  
...  
Keyword(s):  
Grain Yield ◽  
Multiple Regression ◽  
Morphological Traits ◽  
Vegetation Index ◽  
Agronomic Traits ◽  
Indirect Selection ◽  
Leaf Angle ◽  
Water Restriction ◽  
Leaf Greenness ◽  
Selection Of

The identification of traits associated with drought tolerance in popcorn is a contribution to support selection of superior plants under soil water deficit. The objective of this study was to choose morphological traits and the leaf greenness index, measured on different dates, to estimate grain yield (GY) and popping expansion (PE), evaluated in a set of 20 popcorn lines with different genealogies, estimated by multiple regression models. The variables were divided into three groups: morpho-agronomic traits—100-grain weight (GW), prolificacy (PR), tassel length (TL), number of tassel branches, anthesis-silking interval, leaf angle (FA) and leaf rolling (FB); variables related to the intensity of leaf greenness during the grain-filling period, at the leaf level, measured by a portable chlorophyll meter (SPAD) and at the canopy level, calculated as the normalized difference vegetation index (NDVI). The inbred lines were cultivated under two water conditions: well-watered (WW), maintained at field capacity, and water stress (WS), for which irrigation was stopped before male flowering. The traits GY (55%) and PE (28%) were most affected by water restriction. Among the morpho-agronomic traits, GW and PR were markedly reduced (>10%). Under dry conditions, the FA in relation to the plant stalk tended to be wider, the FB curvature greater and leaf senescence accelerated (>15% at 22 days after male flowering). The use of multiple regression for the selection of predictive traits proved to be a useful tool for the identification of groups of adequate traits to efficiently predict the economically most important features of popcorn (GY and PE). The SPAD index measured 17 days after male flowering proved useful to select indirectly for GY, while, among the morphological traits, TL stood out for the same purpose. Of all traits, PR was most strongly related with PE under WS, indicating its use in breeding programs. The exploitation of these traits by indirect selection is expected to induce increments in GY and PE.

scholarly journals Heterobeltiosis in French Marigold (Tagetes patula L.)

2016 ◽  
Vol 8 (8) ◽  
pp. 182
Author(s):  
Kanwar Priyanaka ◽  
Y. C. Gupta ◽  
S. R. Dhiman ◽  
R. K. Dogra ◽  
Sharma Madhu ◽  
...  
Keyword(s):  
Rainy Season ◽  
Quantitative Traits ◽  
Block Design ◽  
Tagetes Patula ◽  
Male Sterile ◽  
Randomized Block Design ◽  
Parental Material ◽  
The Mean ◽  
Parental Lines ◽  
Better Than

<p>The studies on heterosis were carried with four male sterile lines namely; ms<sub>7</sub>, ms<sub>8</sub>, ms<sub>9,</sub> ms<sub>10</sub> and 18 diverse pollinators as tester by using line × tester crossing programme. The 72 F<sub>1</sub> hybrids were produced and evaluated along with 22 parental lines during summer 2009 and rainy season 2009 in Randomized Block Design. Observations were recorded on nine quantitative traits during both the seasons. Highly significant variances for all the traits indicated the sufficient variability in the parental material for all the characters under study. The performance of F<sub>1</sub> hybrids was much better than the mean performance of parents during both the crop seasons. Appreciable heterosis was observed in all the characters, except flower weight in summer and plant height in rainy season.</p>

Analisis Kemampuan Literasi Matematika Siswa SMA Ditinjau dari Gender

2020 ◽  
Vol 8 (4) ◽  
pp. 336-347
Author(s):  
Mida Nurani ◽  
Mayya Shofa Mahfud ◽  
Riska Lail Agustin ◽  
Hendrata Vive Kananda
Keyword(s):  
High School Students ◽  
Descriptive Study ◽  
Study Data ◽  
Female Students ◽  
Literacy Skills ◽  
Male Students ◽  
School Students ◽  
Qualitative Descriptive ◽  
The Subject ◽  
Better Than

The purpose of this research is to analyze the mathematics literacy skills of high school students in terms of gender, especially in the material linear program. This research is a qualitative descriptive study. Data Collection was carried out on the eleventh-grade students of SMA Negeri 1 Meraksa Aji. The subject was 31 students which consisted of 14 females and 17 males. The data was collected using tests and interviews and analyze use method triangulation. The results showed that female students' literacy skills were better than male students. Female students find the indicators of interpreting mathematics to solve problems, formulate problems systematically and use concepts, facts, procedures, and reasoning in mathematics. Meanwhile, male students have only fulfilled the indicators of interpreting mathematics to solve problems.

scholarly journals Morphological Traits Among the Enset (Ensete Ventricosum) Landraces and Cultural Use of the Landraces for the Livelihood of People in Southern Ethiopia

2021 ◽  
Author(s):  
Wondimagegnehu Tekalign ◽  
Newarinesh Feleke
Keyword(s):  
Plant Height ◽  
Morphological Traits ◽  
Animal Feed ◽  
Plant Genetic Resources ◽  
Morphological Trait ◽  
Southern Ethiopia ◽  
Sustainable Livelihood ◽  
Structured Interviews ◽  
Cluster Number ◽  
Ensete Ventricosum

Abstract BackgroundEnsete ventricosum is an important food crop consumed in the form of Bulla and Kocho mainly used in the southern parts of Ethiopia for their sustainable livelihood and ensuring food security. Besides, it is used as animal feed, as well as a source of medicine and fiber. This study was undertaken on the morphological traits among the Enset (Ensete ventricosum) landraces and cultural use of the landraces for the livelihood of people in Mareka woreda, Dawro zone, southern Ethiopia. The study was carried out in purposively selected four kebeles of Mareka district’s Dawro zone.ResultsA total of 145 (20 purposively selected key informants and 125 randomly selected respondents) were interviewed using semi-structured interviews, and field observation was also used to collect ethnobotanical data. The morphological traits were measured according to IBPGR (International Board for Plant Genetic Resources) descriptors for Enset. The data were analyzed by using computer software SPSS v 16.0 as well as Excel 2010 spreadsheet. A total of 33 Enset landraces were identified from the study area. Farmers gave the name for their landraces based on the morphological trait and sources of planting material. Identified landraces were grouped into five clusters based on their morphological trait variability. Mean plant height, pseudostem height, and circumference, leaf size, and numbers have significant differences among clusters. Cluster number five had the highest mean in plant height, pseudostem height, and circumference and cluster number three had the lowest mean. The highest landrace richness was recorded from Ocha (3.18) while the lowest was from Guta (2.56). The most abundant landraces were Amiya, Hoeya, Boza, Yaka, Bothena, Ontha, Adinona, Shasha, and Keteriya in the Mareka district.ConclusionsThis study confirmed that the Dawro zone is rich in diversity of Enset, however, reduction in production and loss of some landraces was observed because of different factors. Therefore, attention must be given to the conservation and maintenances of Enset landraces by all the concerned bodies.

scholarly journals Psychiatrists' appreciation of statistical v. clinical significance: a quick test

2009 ◽  
Vol 33 (8) ◽  
pp. 293-295
Author(s):  
Alan Smith ◽  
James Warner
Keyword(s):  
Critical Appraisal ◽  
Response Rate ◽  
Complete Response Rate ◽  
Statistical Significance ◽  
Complete Response ◽  
Study Data ◽  
Clinical Implications ◽  
Pharmaceutical Advertising ◽  
Transferable Skills ◽  
Better Than

Aims and MethodPharmaceutical advertising material can confuse clinical and statistical significance. We used a brief questionnaire (five questions) to evaluate psychiatrists' appreciation of this difference. This approximated to the level of critical appraisal competence of the MRCPsych part 3 examination.ResultsOf the 113 questionnaires distributed 93 were returned complete (response rate 82%). Senior trainees were significantly better than junior trainees at correctly interpreting data (mean score (maximum 5) 2.61v.2.08; P = 0.04). Consultants did less well than senior trainees, although our sample of consultant respondents was too small for significance testing.Clinical ImplicationsLearning critical appraisal for the MRCPsych examination may provide psychiatrists with valuable transferable skills and prevent gaps in our knowledge being exploited by misleading study data. Psychiatrists of all grades need to maintain their research appraisal skills and should not regard the MRCPsych examination as the end of their learning.

scholarly journals Performance Evaluation of Common Bean (Phaseolus vulgaris L.) Genotypes for Yield and Related Traits at Areka, Southern Ethiopia

2020 ◽  
Vol 2020 ◽  
pp. 1-8 ◽  
Author(s):  
Simon Yohannes ◽  
Gobeze Loha ◽  
Mesfin Kebede Gessese
Keyword(s):  
Grain Yield ◽  
Common Bean ◽  
Agronomic Traits ◽  
Agricultural Research ◽  
Block Design ◽  
Southern Ethiopia ◽  
Improvement Program ◽  
Seed Sources ◽  
Legume Crop ◽  
Plant Breeding Program

Common bean is a source of dietary protein and the second most important legume crop in Africa next to faba bean. In Ethiopia common bean is the most important legume as the source of protein and export commodity. Hence, development of commercial varieties is one of the major tasks to meet increasing demand of the stake holders. To this effect, understanding the genetic variability, heritability and association between grain yield and other agronomic traits is necessary for effective plant breeding program. In this context, a field experiment was conducted during 2016/2017 cropping season at Areka Agricultural Research Center in southern Ethiopia with the objective of evaluating common bean genotypes for yield and related traits and also estimate the variability present among the genotypes. Treatments consisted of thirty three common bean genotypes were laid out in a randomized complete block design (RCBD) with three replications. Common bean genotypes exhibited considerable variations for agronomic traits and grain yield. Majority of the traits; plant height, number of nodes, internode length, leaf area, LAI, biological yield, pods per plant, HI and HSW had higher PCV. Genotypic coefficient of variance (GCV) varied from 1.88% to 37.72% with the highest GCV recorded for HSW. Heritability in broad sense (H2) ranged from 0.52% to 95.33% with the highest value observed for HSW. The present study revealed significant variation among genotypes for traits considered except few insignificant traits. In addition, almost all the genotypes were well adapted to the study area and hence, the high yielding genotypes could be directly used as seed sources for production of common bean and some of the genotypes with best diseases resistance reaction, and with high heritability can possibly be used in common bean improvement program.

Morphological reassessment and new locality records for Galea comes Thomas, 1919 (Rodentia, Caviidae)

Mammalia ◽  
2019 ◽  
Vol 83 (6) ◽  
pp. 601-609
Author(s):  
Pablo Teta ◽  
María Carolina Madozzo-Jaén ◽  
Alexandra M.R. Bezerra ◽  
Pablo E. Ortiz ◽  
Sergio O. Lucero ◽  
...  
Keyword(s):  
South America ◽  
Related Species ◽  
Morphological Traits ◽  
Morphological Data ◽  
Closely Related Species ◽  
Northwestern Argentina ◽  
Qualitative And Quantitative ◽  
Distributional Range ◽  
Emended Diagnosis

Abstract The genus Galea Meyen, 1833 includes at least five species of terrestrial, diurnal and herbivorous cavies that occupy grasslands and rocky scrub areas at both high and low elevations in South America. According to the available molecular and morphological data, Galea comes Thomas, 1919 is restricted to highland areas above 2000 m in southern Bolivia and northwestern Argentina. Its distributional range as well as its morphological distinctiveness from other closely related species (Galea leucoblephara and Galea musteloides) is poorly documented. Using both qualitative and quantitative morphological traits, we provided an emended diagnosis for G. comes. In addition, we added six new locality records to its known distribution.

scholarly journals Temporal uniformity of the spontaneous mutational variance of quantitative traits in Drosophila melanogaster

2000 ◽  
Vol 75 (1) ◽  
pp. 47-51 ◽  
Author(s):  
AURORA GARCÍA-DORADO ◽  
JESUS FERNÁNDEZ ◽  
CARLOS LÓPEZ-FANJUL
Keyword(s):  
Drosophila Melanogaster ◽  
Morphological Traits ◽  
Quantitative Traits ◽  
Wing Length ◽  
Environment Interaction ◽  
Genotype Environment Interaction ◽  
Bristle Number ◽  
Sib Mating ◽  
Mutational Variance ◽  
Interaction Variance

Spontaneous mutations were allowed to accumulate over 209 generations in more than 100 lines, all of them independently derived from a completely homozygous population of Drosophila melanogaster and subsequently maintained under strong inbreeding (equivalent to full-sib mating). Traits scored were: abdominal (AB) and sternopleural (ST) bristle number, wing length (WL) and egg-to-adult viability (V). On two occasions – early (generations 93–122) and late (generations 169–209) – ANOVA estimates of the mutational variance and the mutational line × generation interaction variance were obtained. Mutational heritabilities of morphological traits ranged from 2 × 10−4 to 2 × 10−3 and the mutational coefficient of variation of viability was 0·01. For AB, WL and V, temporal uniformity of the mutational variance was observed. However, a fluctuation of the mutational heritability of ST was detected and could be ascribed to random genotype × environment interaction.

Sign in / Sign up

Export Citation Format

Share Document