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AGRICULTURE, AGROCHEMICAL, FEED PRODUCTION, AGROECOLOGY

GENETIC DIVERSITY OF VARIETIES AND HYBRIDS OF SOFT SPRING WHEAT IN TERMS OF RESISTANCE TO DROUGHT AND HEAT

J.M. Yessenbayeva* 1 , К. Urazaliyev 2 , А. Seitzhan 2 , G. Turganbay 2 , G. Baiseitova 2

1 Kazakh National Agrarian Research University; 2 Kazakh National Agrarian Research University, Almaty

doi.org/10.37884/3-2021/08 pp. 68-75 Admitted 05.03.2022 Published 30.09.2021

Abstract

For the first time, using the example of spring wheat, it is shown that the laboratory assessment of drought and heat resistance by the nature of the root system development significantly correlates with the development of ear productivity elements when cultivating crops in the field. It is also shown that the genotypes of spring wheat differ significantly in the nature of the reaction to the edaphic stress of the root systems and the photosynthetic apparatus of the leaves. As a result of a comprehensive (laboratory and field) assessment of the level of drought resistance and heat resistance of spring wheat varieties and hybrids, genotypes were identified that combine resistance at the early stages of development with the stability of the photosynthetic apparatus of leaves under stress. The identified genotypes are currently used in breeding work for the cultivation of drought-resistant and heat-resistant varieties. 5 varieties and 15 hybrids of spring wheat of various ecological and geographical origin were evaluated according to the degree of drought and heat resistance obtained from the Kazakh Research Center of Agriculture and Crop Production. The selected varieties and hybrids after a year-long field study in the Almaty region were identified by the laboratory for the selection of spring wheat for various breeding and valuable char. Experimentally, the optimal concentration of sucrose solution was established for spring wheat, in which, according to the degree of germination of seeds and accumulation of dry mass from sprouts, the best deferentiation of samples was observed – 74.45 g/l, which corresponds to an osmotic pressure of 9 atmospheres.

spring wheat, variety, hybrid, drought, heat, selection, laboratory, field.

01 Introduction

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02 References

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Citation Links

[1]2021. GENETIC DIVERSITY OF VARIETIES AND HYBRIDS OF SOFT SPRING WHEAT IN TERMS OF RESISTANCE TO DROUGHT AND HEAT. Izdenister natigeler. 3 (91) (Sep. 2021), 68–75. DOI:https://doi.org/10.37884/3-2021/08.
(1)GENETIC DIVERSITY OF VARIETIES AND HYBRIDS OF SOFT SPRING WHEAT IN TERMS OF RESISTANCE TO DROUGHT AND HEAT. Izdenister natigeler 2021, No. 3 (91), 68-75. https://doi.org/10.37884/3-2021/08.
GENETIC DIVERSITY OF VARIETIES AND HYBRIDS OF SOFT SPRING WHEAT IN TERMS OF RESISTANCE TO DROUGHT AND HEAT. (2021). Izdenister Natigeler, 3 (91), 68-75. https://doi.org/10.37884/3-2021/08
GENETIC DIVERSITY OF VARIETIES AND HYBRIDS OF SOFT SPRING WHEAT IN TERMS OF RESISTANCE TO DROUGHT AND HEAT. Izdenister natigeler, [S. l.], n. 3 (91), p. 68–75, 2021. DOI: 10.37884/3-2021/08. Disponível em: https://natsus.kaznaru.edu.kz/index.php/research/article/view/54. Acesso em: 15 sep. 2026.
“GENETIC DIVERSITY OF VARIETIES AND HYBRIDS OF SOFT SPRING WHEAT IN TERMS OF RESISTANCE TO DROUGHT AND HEAT”. 2021. Izdenister Natigeler, no. 3 (91) (September): 68-75. https://doi.org/10.37884/3-2021/08.
“GENETIC DIVERSITY OF VARIETIES AND HYBRIDS OF SOFT SPRING WHEAT IN TERMS OF RESISTANCE TO DROUGHT AND HEAT” (2021) Izdenister natigeler, (3 (91), pp. 68–75. doi:10.37884/3-2021/08.
[1]“GENETIC DIVERSITY OF VARIETIES AND HYBRIDS OF SOFT SPRING WHEAT IN TERMS OF RESISTANCE TO DROUGHT AND HEAT”, Izdenister natigeler, no. 3 (91), pp. 68–75, Sep. 2021, doi: 10.37884/3-2021/08.
“GENETIC DIVERSITY OF VARIETIES AND HYBRIDS OF SOFT SPRING WHEAT IN TERMS OF RESISTANCE TO DROUGHT AND HEAT”. Izdenister Natigeler, no. 3 (91), Sept. 2021, pp. 68-75, https://doi.org/10.37884/3-2021/08.
“GENETIC DIVERSITY OF VARIETIES AND HYBRIDS OF SOFT SPRING WHEAT IN TERMS OF RESISTANCE TO DROUGHT AND HEAT”. Izdenister natigeler, no. 3 (91) (September 30, 2021): 68–75. Accessed September 15, 2026. https://natsus.kaznaru.edu.kz/index.php/research/article/view/54.
1.GENETIC DIVERSITY OF VARIETIES AND HYBRIDS OF SOFT SPRING WHEAT IN TERMS OF RESISTANCE TO DROUGHT AND HEAT. Izdenister natigeler [Internet]. 2021 Sep. 30 [cited 2026 Sep. 15];(3 (91):68-75. Available from: https://natsus.kaznaru.edu.kz/index.php/research/article/view/54
1.GENETIC DIVERSITY OF VARIETIES AND HYBRIDS OF SOFT SPRING WHEAT IN TERMS OF RESISTANCE TO DROUGHT AND HEAT. Izdenister natigeler. 2021;(3 (91):68-75. doi:10.37884/3-2021/08