Genetic Variability and Association of Traits in Mid-altitude Sesame (Sesamum indicum L.) Germplasm of Ethiopia

Abate, Mohammed; Mekbib, Firew; Ayana, Amsalu; Nigussie, M.

doi:10.9734/ajea/2015/18483

Cited by 23 publications

(41 citation statements)

References 13 publications

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“…Very high positively direct effect is exerted by capsules per plant, along with positively indirect effects on height of the plant and primary branches per plant. This is in identical with the results reported by Abate et al (2015) and Vinoth et al (2018). Height to formation of first capsule showed a negative and low direct effect, contrary to the present results, Teklu et al (2014) reported as highly positive direct effect was found for height to formation of first capsule.…”

Section: Disowja Et Alsupporting

confidence: 90%

Evaluation of sesame (Sesamum indicum L.) based on correlation and path analysis

Disowja

Parameswari²,

Gnanamalar³

et al. 2020

EJPB

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In this study, four lines and six testers of sesame were subjected to crossing in a line × tester mating design, during summer, 2019 and 24 hybrids were developed. All 24 F 1 hybrids along with ten parents were raised in a RBD and evaluated. Biometrical data was taken for ten traits viz., days to attain fifty percent flowering, height to formation of the first capsule, height of the plant, the number of primary branches, capsules per plant, the number of capsules on the main stem, length of the capsule, days to attain maturity, thousand seed weight and yield per plant. ANOVA revealed that there existed a quite good significant difference for all the biometrical characters, among the lines, testers and hybrids indicating sufficient variability, which can be further utilized for genetic enhancement of the genotypes. Correlation analysis was used to understand the association between yield attributing characters and with yield. Correlation studies revealed that yield/plant expressed positive and significant correlation with height to formation of first capsule, height of the plant, capsules/plant and weight of thousand seed weight. Capsules/plant registered highly positive and significant genotypic and phenotypic correlation with yield/plant. Days to attain maturity exhibited a negative association with yield/plant. Path analysis was determined to understand the true relationship of yield attributing components among themselves and with the yield. Maximum direct effect on yield was contributed by capsules/plant followed by weight of 1000 seeds and length of capsule. Hence, the selection of genotypes based on capsules/plant, length of the capsule, weight of 1000 seeds will be quite effective in aiding yield improvement in further generations.

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Section: Disowja Et Alsupporting

confidence: 90%

Evaluation of sesame (Sesamum indicum L.) based on correlation and path analysis

Disowja

Parameswari²,

Gnanamalar³

et al. 2020

EJPB

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“…The overall mean was 2.75g. II IBL Local (5) was poor seed yielder (0.26 g), while YLM-66 recorded maximum seed yield per plant (9.40 g).The genotypic and phenotypic coefficients of variation were 59.46 and 61.15 per cent which were moderate and high respectively (Abate et al, 2015). The heritability was high (94.54 %) withgenetic advance (3.28).…”

Section: Seed Yield Per Plant (G)mentioning

confidence: 92%

Assessment of Genetic Variability, Heritability and Genetic Gain in Advanced Mutant Breeding Lines of Sesame (Sesamum indicum L.)

Divya¹,

Rani²,

Babu³

et al. 2018

Int.J.Curr.Microbiol.App.Sci

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In present investigation, 133genotypes comprised of advanced mutant breeding lines, germplasm lines, genotypes pertaining to Initial Varietal Trial, Advanced varietal Trial and Multi Location Trial, popular varieties national, zonal and local checks were evaluated for assessment of genetic variability at Regional Agricultural Research Station, Jagtial with Randomized Block design in 3 replications. Influence on breeding programmes is especially based on the extent to which variability occurs and the relative amount of variation in the different traits. It is measured by determining the genotypic coefficient of variance (GCV) and phenotypic coefficient of variance (PCV). Since heritability may be affected by environmental factors, information of predicted genetic gain will be more helpful in the selection process. Genetic advance (GA) on the other hand refers to the improvement of traits in genotypic value for the new population in comparison with the original population. From the above investigated material, the highest GCV and PCV was observed for traits seed yield per plant followed by number of capsules per plant, number of branches per plant and phyllody (% incidence). The heritability estimates were high for days to maturity followed by days to 50 % flowering, plant height, seed yield per plant, number of branches per plant, number of capsules per plant and phyllody (% incidence). High heritability coupled with high GAM indicates the presence of additive gene action for the characters and they are inherited through simple selection. K e y w o r d sPCV, GCV, heritability, GAM, mutant breeding lines, diseases

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“…The major sesame growing states in India are Gujarat (1,16,200 ha),Uttar Pradesh (4,17,435 ha),Rajasthan (2,70,191 ha)and Madhya Pradesh (3,14,300 ha) together accounted for 85% of total acreage and other states served the remaining 15% percent [17]. The average productivity of sesame in India for the last years (2008)(2009)(2010)(2011)(2012)(2013)(2014)(2015)(2016)(2017)(2018) are shown in Figure 2. In 2008, the production of sesame was around 640300 tonnes and it was increased in 2010 (893,000 tonnes) and it was gradually decreased in 2018 (746,000 tonnes).…”

Section: Sesame Production and Export In Indiamentioning

confidence: 99%

Genetic Potential and Possible Improvement of Sesamum indicum L.

Chellamuthu¹,

Subramanian²,

Manonmani³

2021

Nuts and Nut Products in Human Health and Nutrition

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Sesame (Sesamum indicum L.) is one of the traditional oil seed crop widely cultivated in many countries. The top producers of sesame seeds are mainly Tanzania, Myanmar, India, China and Japan. Sesame oil contains high level of unsaturated fatty acids (80%) and low levels of saturated fatty acids (20%). The main fatty acids are palmitic, stearic, oleic, linoleic and trace amounts of linolenic fatty acids. Sesame seed contains 50–60% of high-quality oil rich in natural antioxidants such as sesamin, sesamolin, sesaminol and sesamol it enhances the stability and keeping quality of sesame oil. Sesame seeds have good sources of dietary fibre, fats, vitamins, minerals, proteins and rich in anti-oxidants. Polyunsaturated fatty acids in sesame will reduce the risk of high blood pressure, cardiac disorders and blood sugar levels. Sesame is believed to have been originated in India where maximum variability of genetic resources is available. High yielding varieties available to date have reached the yield plateau even with the advanced cultivation practices. The area under oilseed crops cultivation also reducing every year. Hence, there is an urgent need to increase the oil content and yield of Indian sesame varieties. Understanding the available germplasm and novel interventions to develop high yielding varieties warrant both molecular and phenotypic data which is meagre in case of sesame.

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Genetic Variability and Association of Traits in Mid-altitude Sesame (Sesamum indicum L.) Germplasm of Ethiopia

Cited by 23 publications

References 13 publications

Evaluation of sesame (Sesamum indicum L.) based on correlation and path analysis

Evaluation of sesame (Sesamum indicum L.) based on correlation and path analysis

Assessment of Genetic Variability, Heritability and Genetic Gain in Advanced Mutant Breeding Lines of Sesame (Sesamum indicum L.)

Genetic Potential and Possible Improvement of Sesamum indicum L.

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