MORPHO-PHYSIOLOGICAL CHARACTERISTICS OF SPRING BARLEY (HORDEUM VULGARE L.) IN THE STEPPE ZONE OF AKMOLINSKAYA REGION, KAZAKHSTAN
Syzdykova G.T. Aidarbekova T.Z. Malitskaya N.V. Shegenov S.T. Nurgaziyev R.E. Zhabayeva M.U. Mahanova S.K.
October 2024Society for the Advancement of Breeding Researches in Asia and Oceania
Sabrao Journal of Breeding and Genetics
2024#56Issue 51872 - 1882 pp.
Spring barley (Hordeum vulgare L.) is an important food, fodder, and industrial crop. Barley cultivars’ evaluation regarding trait variability using a variation factor further divided them into two groups. The first group included cultivars with a high variation factor (cv > 10%) based on the agronomic traits, viz., sprout density, dry biomass yield, number of plants before harvesting, and grain yield potential. The second group contained all other genotypes with a variation factor (cv = 6%) regarding morpho-physiological variables. These are number of nodal roots (cv = 0.8%–1.6%), flag leaf area (cv = 0.8%–1.6%), total leaf area (cv = 3.4%–5.7%), photosynthetic potential (cv = 0.06%–0.27%), photosynthesis net productivity (cv = 2.7%–5.6%), yielding capacity structural elements (grains per ear [cv = 1.0%–2.0%] and 1000-grain weight [cv = 1.5%–5.6%]). Cultivars Pamyat Raisy (1.8 t ha-1) and Arna (1.7 t ha-1) showed a reliable and enhanced yielding capacity compared with the reference cultivar Astana 2000 (1.6 t ha-1), while other cultivars had an average yield potential (1.6 ± 1.8 t ha-1).
agronomic traits , Barley (H. vulgare L.) , correlation , factor analysis , grain yield potential , morpho-physiological variables , variability
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NPJSC Shokan Ualikhanov Kokshetau University, Kokshetau, Kazakhstan
North Kazakhstan State University named after Manasha Kozybayeva, Petropavlovsk, Kazakhstan
Kokshetau University named after Abai Myrzakhmetov, Kokshetau, Kazakhstan
NPJSC Shokan Ualikhanov Kokshetau University
North Kazakhstan State University named after Manasha Kozybayeva
Kokshetau University named after Abai Myrzakhmetov
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