DROUGHT TOLERANCE IN WINTER WHEAT CULTIVARS GROWN IN KAZAKHSTAN AND UZBEKISTAN
Rsaliyev S.S. Urazaliev R.A. Ziyaev Z.M. Yusupov N.K.
October 2024Society for the Advancement of Breeding Researches in Asia and Oceania
Sabrao Journal of Breeding and Genetics
2024#56Issue 51918 - 1928 pp.
Drought is one of the consequences of climate change, negatively affecting crop yields. Current weather abnormalities showed that increasing plant resistance to temperature stresses needs special attention in Kazakhstan and Uzbekistan. The article provides information on weather and climatic condition variations in winter-growing regions of Kazakhstan and Uzbekistan. In 2021–2023, during the growing season, the increased air temperature in Kazakhstan (1.73 °C–2.60 °C) and Uzbekistan (1.97 °C–2.57 °C) materialized with decreased precipitation compared with the past average annual data. Recently, similar rainfall in these regions has been uneven during the winter crop-growing season. The current winter wheat (Triticum aestivum L.) cultivars and their study methods had reports of chief indicators of drought tolerance. The influence of flag leaf parameters (length, width, and area), leaf rolling during drought, slowing down of Stay-green plant aging, plant pubescence, and waxy patina on drought tolerance of winter wheat came about based on past research. Winter wheat cultivar evaluations for productivity indicators occurred under natural drought conditions. Characteristics of modern drought-tolerant winter wheat cultivars planted in Kazakhstan and Uzbekistan were informative.
breeding for drought tolerance , climate change , drought , drought-tolerant indicators , productivity , Winter wheat (T. aestivum L.)
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Kazakh Research Institute of Agriculture and Plant Growing, Almalybak, Kazakhstan
Research Institute of Plant Genetic Resources, Tashkent, Uzbekistan
Scientific Research Institute of Rainfed Agriculture, Tashkent, Uzbekistan
Kazakh Research Institute of Agriculture and Plant Growing
Research Institute of Plant Genetic Resources
Scientific Research Institute of Rainfed Agriculture
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