Analysis of Economic-Biological Traits of Hull-Less Barley and Creation of Source Material for Resistance to Environmental Stress Factors
2020
L. A. Tokhetova | S. I. Umirzakov | R. D. Nurymova | B. K. Baizhanova | G. B. Akhmedova
The paper summarizes the experimental data from field and laboratory experiments on the study of the collection material of hull-less barley from ICARDA (Hordeum vulgare L.) on saline soils of the Kyzylorda region. The influence of the type of ripening of the variety and weather conditions of vegetation on the formation and variability of the grain yield of spring hull-less barley is shown. Traits less affected by external factors, such as plant height, spike length, number of spikelets per spike, and number of productive spikes per 1 m2, are determined. It has been established that during the selection, stabilization on such traits occurs in early generations, which increases the efficiency of selection of adaptive varieties. At the present stage, using in hybridization the best hull-less forms ICNBF8-611/Aths, DeirAlla106/Strain205//Rhn-03/3/BF891M-582, Atahualpa/4/Avt/Attiki//Aths/3/Giza121/Pue, Atahualpa/4/Harrington/3/WI2291/Roho//WI2269, and HIGO/LINO with local recognized varieties, 20 hybrid populations have been obtained, and 150 lines selected from them, identified that donors of valuable traits are of particular interest for creating productive cereal varieties.
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