Evaluation of genetic components and combining ability for spike length in winter six-rowed barley under conditions of Forest-Steppe of Ukraine
Journal Title: Plant varieties studying and protection - Year 2018, Vol 14, Issue 1
Abstract
Purpose. To reveal plant breeding and genetic characteristics of winter six-row barley varieties by spike length and to identify effective sources of high combining ability under conditions of the Forest-Steppe of Ukraine. Methods. The research was carried out at the V. M. Remeslo Myronivka Institute of Wheat of NAAS in 2012/13–2014/15 on winter six-rowed barley varieties ‘Paladin Myronivskyi’, ‘Zherar’, ‘Selena Star’, ‘Strimkyi’, ‘Cartel’, ‘Existens’, ‘Cinderella’ as well as on F1 derived from crossing them at complete diallel scheme (7´7). Analysis of variance, combining ability and genetic parameters were calculated in accordance to conventional methods (B. A. Dospekhov, 1985; M. A. Fedin et al., 1980). Results. The significant differences in spike length were revealed, which allowed to estimate combining ability and to calculate parameters of genetic variation. The high effects of general combining ability (GCA) were peculiar to the ‘Strimkyi’ (gi = 0.64–0.76) and ‘Paladin Myronivskyi’ (gi = 0.34–0.53) varieties along the years. Positive GCA effects of middle and of high levels were marked for the variety ‘Existens’ (gi = 0.07–0.23). Graphical analysis and parameters of genetic variation showed the presence of intra-locus overdominance in 2012/13 ( = 1.16) and partial dominance in 2013/14 ( = 0.69) and in 2014/15 ( = 0.82). Significant expression of epistasis was not detected. During the years, dominance was directed on external traits increasing and was under control of dominant alleles (effects). Conclusions. Breeding and genetic traits of spike length of winter barley varieties in scheme of complete diallel crosses were revealed for the first time under the conditions of the Forest-Steppe zone of Ukraine. The variations in genetic control of the trait from overdominance in dry 2012/13 to the partial dominance in wet 2013/14 and 2014/15 were revealed. ‘Strimkyi’, ‘Paladin Myronivskyi’, ‘Existens’ varieties were identified with increased GCA for spike length. These varieties have high value in breeding.
Authors and Affiliations
V. M. Hudzenko, T. P. Polischuk
Keywords
Related Articles
- EP ID EP276139
- DOI 10.21498/2518-1017.14.1.2018.126505
- Views 116
- Downloads 0
Assessing the impact of time of spring vegetation renewal on growth, development and productivity of soft winter wheat varieties
Results of study focusing on impact of environmental factor – time of spring vegetation renewal (TSVR) of soft winter wheat on growth and development of plants, crop productivity and modern varieties response are present...
Allelic status of key genes of carotenogenesis on DNA-markers in maize lines and their hybrids
Purpose. The analysis of allelic status of such key genes of carotenogenesis as gene of lycopene-ε-cyclase (lcyε) and gene of β-carotene hydroxylase (crtRB1) for DNA-markers in domestic maize lines and their hybrids. Me...
Dynamics of correlation relationship changes in new winter wheat varieties (Triticum aestivum L.) under the influence of environmental factors in the Southern Forest-Steppe zone of Ukraine
Purpose. To establish correlation dependence of influence of such factors as seeding rate, sowing time and seeding methods on yield indicators, as well as individual response of winter wheat varieties to them in case of...
Graphical analysis of adaptability of spring barley breeding lines in the Central Forest-Steppe zone of Ukraine
Purpose. To define spring barley breeding lines with an optimal combination of yielding capacity and stability under different weather conditions in the Central Forest-Steppe zone of Ukraine. Methods. Field studies, ANO...
Breeding value of the second generation of soybean populations for «growing season» trait
Purpose. Studying the inheritance of such trait of soybean (Glucine max (L.) Merrill) as growing season length in F2 and assessing hybrid combinations to identify more quick-ripening phenotypes as compared to parents. Me...