scholarly journals Breeding and genetic patterns in trait expression and efficiency of creation of spring barley cultivars

2018 ◽  
Vol 23 ◽  
pp. 68-73 ◽  
Author(s):  
M. R. Kozachenko ◽  
N. I. Vasko ◽  
O. H. Naumov ◽  
P. M. Solonechnyi ◽  
O. V. Solonechna ◽  
...  

Aim. Solutions of scientific problems of increasing the efficiency of genetic breeding methods are important objectives in the creation of valuable spring barley cultivars. Methods. Analyses of variance, variation, correlation and regression as well as genetic methods of analyzing features of genotypes in the diallel crossing and top-crossing design were used. Results. The important scientific problems with regard to increasing the efficiency of breeding for yield capacity, brewing quality and starch fraction composition were solved by establishing morphological and biological characteristics, dispersion, correlation, variability, adaptability, breeding and genetic peculiarities of inheritance, heritability, components of genetic variation, combining ability of plant traits as well as the effectiveness of hybridization and mutagenesis methods. As a result of the patterns established, the efficiency of the creation of economically valuable spring barley cultivars was increased. Conclusions. The new solutions of important scientific problems of raising the efficiency of breeding for yield capacity and grain quality were proposed and generalized. On this basis, valuable cultivars were created. As of 2017, 17 of them have been were included in the State Register of Plant Varieties suitable for dissemination inUkraine. Keywords: breeding-genetic patterns, Hordeum vulgare L., cultivar, breeding method, yield capacity and grain quality.

2019 ◽  
Vol 24 ◽  
pp. 104-108
Author(s):  
M. R. Kozachenko ◽  
A. G. Naumov ◽  
N. I. Vasko ◽  
P. N. Solonechnyi ◽  
O. V. Solonechna ◽  
...  

Aim. The study’s purpose was to establish genetic patterns of waxy barley breeding on the basis of determination of genetic and breeding characteristics of accessions with different fractional composition of starch during 10/11-year cycles of the breeding process upon creation of waxy barley cultivars. Methods. Analysis of variance, calculus of variations, correlation analysis, genetic and breeding methods were used to investigate peculiarities of genotypes in topcross, diallel and pair-crossing designs. Results. The important scientific problem concerning establishment of genetic patterns of waxy spring barley breeding was solved. We determined morpho-biological features, variability, correlations and genetic peculiarities of inheritance, heritability, genetic variation and combining ability for quantitative traits of plants as well as for amylopectin content in starch of F1 hybrids derived from forms with different fractional composition of starch. As a result of establishing the patterns, the effectiveness of creation of valuable lines and waxy barley cultivar Shedevr with amylopectin starch was demonstrated. Conclusions. The morpho-biological, breeding and genetic peculiarities of plant traits with different fractional composition of starch were determined. On this basis, the genetic patterns of waxy barley breeding were established, and the first Ukrainian waxy barley cultivar Shedevr (with amylopectin starch) was created. Keywords: Hordeum vulgare L., accession, cultivar, amylopectin starch, genetic peculiarities.


2021 ◽  
Vol 843 (1) ◽  
pp. 012004
Author(s):  
L M Eroshenko ◽  
O V Levakova

Abstract The results of salinity resistance assessment of 5 spring barley ranges (Hordeum vulgare L.) Grass family (Poaceae) - Yaromir, Nadezhny, Znatny, Zlatoyar, and 9 types of own plant-breeding lines which are supposed to be perspective for the future use are given in this article. NaCl impact in the concentration of 0.7 and 0.9 mPa (0.98 and 1.26% NaCl) on seed germination and morphological indicators such as length and quantity of roots, length of seedlings were studied. The salinity stress resulted in the inhibitions of the roots length and seedlings in the provocative background if to compare with the control group background samples. At the concentration of 0.7 mPa salinity resistance value varied from 62.4 to 96.6% which corresponds to 1-2 salinity resistance groups. At the concentration of 0.9 mPa salinity resistance varied from 27.9 to 80.8% which corresponds to 1-3 salinity resistance groups. The yield capacity and adaptive qualities were examined on the initial data basis. Thus, there was a correlation dependence at both of sodium chloride concentrations revealed between the yield capacity of the field experience samples and the laboratory test samples.


2021 ◽  
Vol 36 ◽  
pp. 01013
Author(s):  
Irina N. Shchennikova ◽  
Olga N. Shupletsova ◽  
Irina Yu. Zaytseva ◽  
Larissa P. Kokina ◽  
Rimma I. Vyatkina

Based on the statistical assessment of long-term field studies, in competitive variety tests, barley cultivars were identified adaptive to the conditions of the region, promising for transfer to the State variety test. As a result of the studies, a promising breeding material was created. The efficiency of using various methods of creating a new initial material, in particular, the cell culture method, is shown. A statistically significant correlation was established between the value of the hydrothermal coefficient (GTK) in the period “leaf tube formation - heading” and the yield capacity of a cultivar (r = 0.520). High variability (V = 24.4%) in the duration of the inter-stage period “leaf tube formation - heading” was revealed in the cultivars of competitive variety testing. Cultivars 94-13 and 38-15 are distinguished by a high yield potential (up to 6.4… 6.9 t/ha) and the duration of inter-stage periods, at which the main stages of organogenesis occur at the most favorable combination of heat and moisture for the potential development of plant features and properties. Cultivars 207-15, 38-15, and regenerant 550-08, characterized by high annual average yield capacity (5.9…5.7 tons/ha) and adaptability, are promising for transfer to the Russian Federation State variety test.


2018 ◽  
Vol 98 (6) ◽  
pp. 1304-1320
Author(s):  
L.A. Thompson ◽  
S.M. Strydhorst ◽  
L.M. Hall ◽  
R.C. Yang ◽  
D. Pauly ◽  
...  

The area sown to barley (Hordeum vulgare L.) in Alberta, Canada, and the rate of yield increase relative to other major crops have declined in recent decades. Advanced agronomic management of feed barley may increase the seeded area and differentially influence cultivar performance. Field experiments were conducted from 2014 to 2016 at 11 rainfed and three irrigated environments in Alberta to evaluate the performance of 10 feed barley cultivars under standard and advanced agronomic management. Advanced management included supplemental postemergence N, the plant growth regulator chlormequat chloride, and two foliar fungicide applications. Cultivars responded similarly to management in the low disease pressure environments encountered in the study. The two-row cultivars CDC Austenson, Xena, and CDC Coalition were the highest yielding overall, while Champion had the greatest yields in moisture-limited environments. The feed grain quality of two-row cultivars was superior to six-row cultivars. Recently released six-row cultivars were among the lowest yielding. Negative or static yield increases were observed for all newer cultivars (2006–2013 registrations) compared with the older cultivar, Xena (2000 registration). In comparison, the overall 9.3% yield increase from advanced management was notable. Advanced management yield increases were greater (8%–18%) in environments with 251–502 mm of precipitation and smaller (1%–3%) in moisture-limited environments. Management had negligible effects on lodging and grain quality. Optimal yield and quality were achieved with the two-row cultivars, CDC Austenson, Xena, or CDC Coalition, and advanced management in high precipitation environments. In environments with less precipitation, optimal yields were achieved with Champion and standard management.


1992 ◽  
Vol 72 (1) ◽  
pp. 163-172 ◽  
Author(s):  
D. J. Thompson ◽  
D. G. Stout ◽  
Z. Mir ◽  
T. Moore

Three spring barley (Hordeum vulgare L.) and four annual ryegrass (Lolium multiflorum Lam.) types were intercropped to evaluate the potential yield and quality of forage which can be produced under irrigation in southern interior B.C. All treatments were intercrops; when barley cultivar effects are described they are averaged over the ryegrasses and vice versa. Barley cultivars differed in grain maturity. Ryegrass cultivars included diploid and tertraploid Italian and Westerwolds types. Intercrops including late grain maturing barley cultivars (Samson and Virden) increased the yield of the first silage cut (both by 25% over 2 yr) compared to Diamond, a medium-maturing cultivar adapted to the area. Intercrops containing the semi-dwarf barley, Samson, produced more digestible forage including higher in vitro digestible dry matter (IVDDM) and lower ADF and lignin. Annual ryegrass yield in the first cut intercropped with Samson was almost twice that with either Diamond or Virden, showing that Samson barley is less competitive. Second-cut yield (ryegrass regrowth) was greater for tetraploid than diploid annual ryegrasses. Yields of fall pasture (cuts 3 and 4) were similar among ryegrass cultivars. Cuts 2 and 3 (ryegrass only) of Italian ryegrasses had superior quality (higher IVDDM and protein; and lower ADF, lignin, and NDF) to Westerwolds ryegrassses, but all cultivars had similar quality in the late fall (Cut 4). It was concluded that a range of barley and annual ryegrass cultivars can be successfully intercropped to produce forage in south central B.C.Key words: Intercropping, barley annual ryegrass, forage yield and quality


1982 ◽  
Vol 98 (2) ◽  
pp. 347-355 ◽  
Author(s):  
R. W. Daniels ◽  
M. B. Alcock ◽  
D. H. Scarisbrick

SUMMARYPre-anthesis stem reserve contribution to grain yield was assessed in two spring barley cultivars of contrasting height. It was greatest in the taller, but final grain yields were similar. Partitioning of total reserve capacity to various plant parts showed that the leaf and sheath below the peduncle were most important, followed by stem internodes which had increasing reserve capacity up to internode 4.It is suggested that stem reserves are valuable for yields commonly achieved in U.K. commercial practice.High grain yields were associated with large positive increases in stem dry weight after anthesis. This would indicate that the source capacity to boost yield is more than proportional to that required to fill the grain alone.


1982 ◽  
Vol 62 (1) ◽  
pp. 81-88 ◽  
Author(s):  
J. S. McKENZIE ◽  
D. G. FARIS ◽  
R. M. DE PAUW

Three spring barley (Hordeum vulgare L.) cultivars were planted at four seeding dates to evaluate the effect of a simulated frost at the two-leaf stage on growth and yield. A portable field freezing chamber was used to subject the plants to a − 5.6 °C stress. The frost caused 49, 64 and 68% injury to the leaves and delayed heading by 2.4, 1.4 and 2.4 days in Gait, Atlas and Olli, respectively. Frost also reduced the number of tillers per plant, ripe heads per plant and plants per plot in all cultivars. Although the late-maturing cultivar Galt had the most leaf frost resistance, the average 13.8% yield reduction within all three cultivars, owing to the freezing stress, was not significantly different between any of the cultivars. Complete defoliation by clipping resulted in no further reduction in yield than that which occurred from partial defoliation by freezing. Delayed seeding resulted in an 8.6% reduction in yield. Frost reduced the yield of early seeded cultivars by 9.8% and late-seeded cultivars by 17.1%.


Author(s):  
Māra Bleidere ◽  
Zinta Gaile

Grain quality traits important in feed barley Spring barley (Hordeum vulgare L.) traditionally has been a major cereal crop for animal feed especially in Northern areas and also in Latvia. It is complicated to define what the ideal feed barley should be, as the requirements widely differ not only for different species, but even for different age groups of the same species of animals. Therefore, the breeding of feed barley has been developing very slowly and building on the basis of agronomic and beer barley quality parameters. Targeted breeding of barley varieties for a definite application purpose of the grain is connected with selection according to different criteria. The present article shows that the feed quality of barley is influenced both by physical grain quality indicators (colour, grain weight and size, hull content, 1000 grain weight, volume weight and grain hardness) and by the chemical composition (carbohydrates, non-starch polysaccharides, amino acids, fibre, protein, fat, minerals and vitamins). On the basis of the information collected, a profile of a high quality feed barley variety for different groups of animals is defined.


1970 ◽  
Vol 21 ◽  
pp. 138-142
Author(s):  
M. R. Kozachenko ◽  
K. V. Kompanets ◽  
S. I. Sviatchenko

Aim. The aim of research was to determine pair correlation and path coefficients of traits and to identify on their basis contributions of different quantitative traits in the main feature – ‘grain yield. Methods. Eleven 11 spring barley varieties were investigated: ‘Dzherelo’, ‘Zvershennia’, ‘Etyket’, ‘Badioryy’, ‘Vzirets’, ‘Hranal’, ‘Modern’, ‘Vitrazh’, ‘Pasadena’, ‘Tolar’, and ‘Maliovnychyy’. We analyzed 50 plants of each variety for 11 quantitative traits. The pair correlation coefficients between quantitative traits were calculated by the BA Dospehov method; path analysis was conducted as AI Sedlovskiy et al described by the S. Wright method. Results. Path analysis revealed that the correlation between plant traits and yield depended both on direct and on indirect effects of each trait on the yield capacity. We established causes of varying correlations between yield and other plant traits. Conclusions. Different pair correlations between yield and plant traits were found. Path analysis of the yield capacity demonstrated that the correlation values between the yield and 11 quantitative traits ambivalently depended both on direct and indirect effects of a trait on the yield and on indirect effects of other traits. The direct effect of a trait on the yield does not always unambiguously affect the pair correlation coefficient. The following traits were of the greatest breeding value: lodging resistance and grain weight/straw weight ratio. Keywords: spring barley, varieties, yield and trait, correlation coefficient, path analysis.


Author(s):  
V.A. Muzafarova ◽  
V.K. Riabchun ◽  
I.A. Petukhova ◽  
O.I. Padalka

Goal. To determine the influence of weather conditions on the “sprouting-earing” period duration in spring barley accessions and its relationship to yield capacity and to identify valuable genotypes by a set of economic features in the eastern forest-steppe of Ukraine.Results and discussion. 298 barley accessions from 20 countries were studied. The correlation coefficients between the “sprouting-earing” period duration and yield for each year showed a positive medium correlation in 2016 (r = 0.54); positive below medium correlations in 2011 (r = 0.15), 2012 (r = 0.21), 2014 (r = 0.14), 2015 (r = 0.21), and 2017 r. (r = 0.24); and negative weak correlations in 2010 (r = -0.07) and 2013 (r = -0.24). Accessions with a set of valuable economic features with various “sprouting-earing” period durations (from 36 to 49 days) were singled out. These are Ukrainian accessions Skhidnyi, Baskak, Hermes, Svarozhich, Podyv, Khors, Balzam, Avhur, MIP Myrnyi, MIP Sotnik, Talisman Myronivskyi; Russian accessions Abalak, Karat, Yaromir, Kredo; Belarusian accession Fest; Germany; German accessions Grace, Henrike, KWS Aliciana, KWS Bambina; Netherlandish accession Gladys; Kazakhstani accessions Azik, Ilek-16.Conclusions. Thus, an insignificant positive relationship between the “sprouting-earing” period duration and yield in 2010-2017 was revealed. Spring barley accessions, which are valuable starting material for creating new cultivars with a set of important economic features, were identified. They can increase the breeding efficiency and accelerate the breeding process.


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