Open AccessSeasonal development, water-content and hot-resistant of introduced sorts of apple-trees in the arid conditions of Mangystau
Author(s) -
О. С. Косарева,
Dina Zharasova,
Ainur Akhtanova
Publication year - 2020
Publication title -
ķaraġandy universitetìnìṇ habaršysy. biologiâ, medicina, geografiâ seriâsy/k̦araġandy universitetìnìn̦ habaršysy. biologiâ, medicina, geografiâ seriâsy
Language(s) - English
Resource type - Journals
eISSN - 2663-5003
pISSN - 2518-7201
DOI - 10.31489/2020bmg3/91-99
Subject(s) - shoot , ripening , vegetation (pathology) , horticulture , agronomy , resistance (ecology) , heat resistance , biology , arid , productivity , environmental science , ecology , medicine , materials science , macroeconomics , pathology , economics , composite material
The article presents for the first time the results of watering of shoots and leaves and heat resistance of 10 introduced apple varieties in connection with their seasonal development and productivity in the extreme conditions of Mangystau. It was determined that the watering of shoots and leaves of apple varieties changed during the vegetation period, increasing and decreasing in connection with the weather conditions. The highest watering of leaves was observed mainly in May, by the end of vegetation leaves watering was minimal. Herewith, periodical decrease and increase of watering (pulsation) was observed during the vegetation period. The sharp drop of leaves watering was observed in the majority of varieties in the middle of August, during the period of completion of fruit ripening and lignification of shoots. Heat resistance also changed during the vegetation period, decreasing from May to September. High heat resistance was observed in the varieties Stolovka and Rennet Burkhardta, which are also characterized by the high productivity.