Heritability and variability

There are large individual differences in physical activity (PA) behavior as well as trainability of physical capacity. Heritability studies have shown that genes may have as much impact on exercise participation behavior as environmental factors.

11p vihagrid 30-01-2023 7 4   Download

DNA methylation dynamics in the brain are associated with normal development and neuropsychiatric disease and differ across functionally distinct brain regions. Previous studies of genome-wide methylation differences among human brain regions focus on limited numbers of individuals and one to two brain regions.

26p viarchimedes 26-01-2022 12 0   Download

Quantum of genetic variability and the extent to which heritable and nonheritable variations are related to the characters, determines the extent of genetic amelioration. The present investigation was carried out in kharif, 2019 to understand the clustering pattern and correlation for yield attributing traits in aromatic landraces of rice. Here 90 aromatic rice landraces along with six check varieties were evaluated for 10 quantitative characters. Cluster analysis divided these 96 rice genotypes into 4 clusters.

8p chauchaungayxua12 29-07-2021 22 1   Download

Epigenetics is one of the factors shaping natural variability observed among human populations. A small proportion of heritable inter-population differences are observed in the context of both the genome-wide methylation level and the methylation status of individual CpG sites.

15p vijeeni2711 30-06-2021 4 1   Download

The main objectives of this study were to find the possible structural association between the activity of enzymatic antioxidants and the grain yield of triticale plants as well as identifying the genotypic variability which might be effective on this association.

19p vijichea2711 28-05-2021 5 1   Download

Evaluation of germplasm under the prevailing environments is essential for selecting the donor parents for the traits to be improved in breeding programme.

6p trinhthamhodang11 27-04-2021 11 1   Download

Present investigation in which forty four genotypes of forage oat were evaluated at the research field of AICRP on Forage Crops and Utilization, Mahatma Phule Krishi Vidyapeeth, Rahuri during Rabi 2018-19 in a RBD designs with three replications.

6p trinhthamhodang11 27-04-2021 5 0   Download

The present study was carried out to evaluate fifty wheat genotypes of different ecogeographic origin. Data on eight quantitative characters viz., Plant height, reproductive tillers/plant, length of spike, spikelets/spike, days to maturity, grains/spike, test weight and grain yield/plant were recorded.

6p trinhthamhodang11 27-04-2021 9 1   Download

The genetic variance of any morphometric or quantitative trait is indicated additive variance (heritable) and non-additive variance and comprise dominance and epistasis (non-allelic interaction) altered by environmental conditions (Iqbal et al., 2014; Kumar et al., 2017; Spaldon and Kumar, 2017).

15p caygaocaolon11 21-04-2021 10 1   Download

The material for the present study consisted of 30 F4 families of bhendi, to assess the genetic components for growth and yield at Pandit Jawaharlal Nehru College of Agriculture and Research Institute, Karaikal, UT of Puducherry, India. The mean values and ranges recorded for various traits under study revealed significant variation. The maximum range of variability was observed for fruit yield plant-1 (148.0 to 377.31 g), followed by plant height at final harvest (76.56 to 160.40 cm).

5p chauchaungayxua10 19-03-2021 18 2   Download

. In addition to food, it can be used as fodder, feed, fuel, functional utility (for making baskets, huts, fences, etc.), fertilizer (fixes atmospheric nitrogen and releases phosphorus), forest use (re-forestation, lac production), and even for pharmaceutical purposes.

9p chauchaungayxua10 19-03-2021 12 2   Download

In view of the above, the present study was conducted with the objective of assessing the genetic variability, heritability, genetic advance for yield and yield components among 25 blackgram genotypes evaluated across kharif and summer seasons.

5p chauchaungayxua10 19-03-2021 13 2   Download

In present investigation attempt has been made to assess the variability of important yield and yield attributing traits, along with the indices of variability i.e. GCV, PCV, heritability (broad sense) and genetic advance.

6p chauchaungayxua10 19-03-2021 17 2   Download

These characters may be proved as effective criteria for selection to improve seed yield in pearl millet whereas high heritability values with moderate genetic advance as percentage of mean were observed for days to maturity and protein content.

6p chauchaungayxua10 19-03-2021 18 2   Download

Keeping the above points in view, the present study was conducted to study the genetic variability for yield and yield attributing characters in dolichos bean.

7p chauchaungayxua10 19-03-2021 19 1   Download

Thirty six diverse genotypes of Indian mustard (Brassica juncea L. Czern and Coss.) were evaluated for ten quantitative. The variability indicates that Genotypic coefficient of variation (GCV) was moderate for 50% flowering, days to maturity, total no. of siliqua per plant, biological weight, test weight and seed yield; low for plant height, no. of siliqua on main shoot, no. of seed per siliqua and harvest index.

7p chauchaungayxua10 19-03-2021 16 1   Download

The Present investigation was carried out using 50 bread wheat genotypes at Instructional Farm, Rajasthan College of Agriculture, Udaipur during Rabi, 2019-2020 in randomized block design with three replications.

5p chauchaungayxua10 19-03-2021 13 2   Download

In the present investigation, 21 F1s were generated by crossing seven lines and three testers following Line x Tester mating design. Nine yield traits of barley were studied on 21 crosses to estimate heritability in narrow sense, genetic advance in per cent of mean, phenotypic and genotypic coefficient of variation.

5p chauchaungayxua10 18-03-2021 12 2   Download

Hence, a attempt to explore the existing variations in the species and conserving those germplasm is done in the present study.

12p chauchaungayxua11 23-03-2021 7 2   Download

Genetic variability, heritability and genetic advance were studied in 22 germplasms of Dolichos beans for yield attributing traits. Analysis of variance revealed significant differences among the genotypes for all the characters studied. For all the characters studied, phenotypic coefficients of variability were higher in magnitude than genotypic coefficients of variability, though difference was very less in majority of the cases.

6p chauchaungayxua11 23-03-2021 14 2   Download