Apricot water regime due to drought adaptation on the Southern Coast of the Crimea

Abstract

There were conducted the studies of the water regime of the leaves of 6 apricot cultivars of various origin in connection with the ability to adapt to moisture deficit during the periods of the greatest summer drought manifestation on the Southern Coast of the Crimea. The genotypes with the highest adaptive potential under conditions of hydrothermal stress were identified (possessing the best water-holding characteristics combined with a high degree of repair after critical dehydration) - 'Nagycorosi Orias', 'Kazachok', 'Professor Smykov'. 'Hurmai' cultivar demonstrates labile resistance. 'Crimskiy Amur' and 'Alupkinskiy' display instability of water regime indicators as well as a relatively low ability to tolerate extremely high temperatures and lack of moisture.