Response of Some Malus Мill. Species Representatives to Extreme Low Temperatures in Baikal Siberia
Journal Title: Журнал ÑтреÑÑ-физиологии и биохимии - Year 2016, Vol 12, Issue 2
Abstract
The paper presents the results of study of maximal frost resistance of apple-tree varieties of Novosibirsk, Krasnoyarsk, Buryat, Canadian selection by the method of artificial freezing. The research found virtually all apple-tree varieties to withstand the temperature as low as -45[sup]о[/sup]С without serious damage to bark, cambium and wood; with only Melba variety exhibiting significant bark damage. Apple-tree varieties of Buryat ACRI selection, regardless of cultivation location, demonstrated high tissue resistance to critical low negative temperatures. The investigated forms of Malus baccata L. Borkh, are characterized by high frost resistance in the middle of winter regardless of their location. Critical temperatures of -50[sup]о[/sup] and -55[sup]о[/sup]С proved lethal for Lada, Krasnaya Grozd’ varieties, as well as for Melba variety of Canadian selection.
Authors and Affiliations
Yu. Batuyeva, M. Bakhanova
Keywords
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