Assessment of Genetic Diversity in Promising Bread Wheat (Triticum aestivum L.) Genotypes

Agro-morphological diversity in promising wheat genotypes grown under restricted irrigated condition

“…There is no contribution of the number of ears per plant and ear weight towards genetic divergence. These results are in compliance with the findings of Aharizad et al (2012), Ajmal et al (2013), Ali et al (2015), Waiker and Arun (2015), Phougat et al (2017), Gurjar and Marker (2018) and Rajshree and Singh (2018).…”

Genetic variability studies for yield and its component traits in bread wheat (Triticum aestivum L.)

“…High heritability estimates were observed for days to 50% heading (91.40%), grain filling period (78.88%), plant height (85.66%), number of effective tillers per meter (70.69%), number of effective tillers per plant (61.71%), spike length (86.09%), number of grains per spike (85.11%), grain weight per spike (67.37%), thousand grain weight (60.56%) and biological yield per plant (61.20%) indicated variation for these characters were solely due to genetic control, less influenced by environment and selection would be effective. Similar results were obtained for the characters days to heading, plant height, spike length, thousand grain weight and Rajshree et al (2018) [15] for tillers per plant and number of grains per spike. Moderate estimates of heritability were observed for days to maturity (41.52%), grain yield per meter (41.60%), grain yield per plant (40.43%), biological yield per meter (58.48%) and harvest index (48.02%) indicates variation seen were partly due to genetic control and more influence of environment.…”

“…High heritability with high genetic advance were reported for spike length, number of grains per spike and grain weight per spike exhibited predominance of additive gene action with less environmental influence and effective selection. Similar ~ 207 ~ findings were reported by Rajshrre et al (2018) [15] for spike length and number of grains per spike, whereas high heritability with moderate genetic advance were reported for days to 50% heading, grain filling period, plant height, tillers per meter, thousand grain weight and biological yield per plant indicating predominance of both additive and nonadditive gene action hence mass selection can be used for the improvement of these traits. Similar results were obtained by Naik et al (2015) [12] for days to heading and thousand grain weight and Hazra et al (2019) [8] for plant height and biological yield per plant, while high heritability with low genetic advance for tillers per plant was observed which indicated predominance of non-additive gene action and selection will not be effective but heterosis breeding can be adopted.…”

Estimation of Genetic Variability Parameters for Various Quantitative Traits and Rust Resistance in Bread Wheat (Triticum aestivum L.)

“…Number of tillers/plant, grain weight/ear and grain yield/plant had high heritability with high genetic advance. High heritability coupled with high genetic advance was reported by Rajshree and Singh (2018) for number of tillers/plant and grain yield and Singh et al, (2018) for grain yield. Harvest index had moderate heritability with high genetic advance.…”