Vestnik of Orenburg State Pedagogical University. Electronic Scientific Journal.2017. № 1(21). P. 26—33
03.00.00 BIOLOGICAL SCIENCES
UDC 582.573:58.087:551.524
Kazakova Irina Sergeevna, Junior research scientist
N. V. Bagrov Botanical Garden of Tavrida academy Crimea federal V. I. Vernadsky University Repetskaya Anna Igorevna,Candidate of Biological Sciences
N. V. Bagrov Botanical Garden of Tavrida academy Crimea federal V. I. Vernadsky University
DETERMINATION OF THE BIOLOGICAL TEMPERATURE MINIMUM AS AN INDICATOR OF THE SPECIES INTRODUCTORY PERSPECTIVE (BY THE EXAMPLE OF GENUS Hosta Tratt.)
Abstract
The need of plants for heat is expressed by the sum of biological temperatures, which is understood as the sum of average daily air temperature for the growing season of the crop from the start of growth to the flowering. The purpose of this paper is to develop a quantitative criterion reflecting the connection of the plant species biological needs in heat and temperature characteristics of the introduction region by the example of the genus Hosta Tratt. 5 types of plantain lilies differing in terms of flowering were selected as objects to create a mathematical model of a physiological zero. The biological minimum of air temperatures in different phases of development was determined. The derived constants can be used to make predictions of the growing season resumption, the oncoming of budding and flowering, as well as planning the agro-technical measures during the cultivation.
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