| Summary: | The article presents the results of studying the water regime and drought resistance of varieties and breeding forms of apple tree and raspberry of domestic and foreign breeding of the collection of the FSBSI "NBS-NSC" in laboratory conditions using the method of leaf dehydration. The varieties of apple tree – Favorit and raspberry – Balsam released in the Crimea were taken as a control. Based on the performed studies, groups of promising varieties and breeding forms of apple tree (Valyuta, 12–14–78, 2–5–25–80, 2–11–7–80) and raspberry (Glen Ample, Gusar, Krepysh, 11/15) with a high level of water retention capacity and turgescence were identified. These varieties and forms are of interest for inclusion in the breeding process for drought resistance trait, and are also recommended for introduction into production in the arid conditions of the foothill zone of the Crimea.
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