Suitability dynamics of winter-spring period for pear cultivation in Krasnodar Region
https://doi.org/10.31676/0235-2591-2019-5-39-46
Abstract
The reaction of two pear varieties (Kieffer with reduced winter hardiness and Leven with increased winter hardiness) on the changing climatic conditions of winter-spring period from 1986 to 2018 on the territory of Krasnodar region was studied. The critical minimum temperature is detrimental to flower buds of the studied varieties in different phases of the winter-spring period. Thermal stress manifestation in time and space is calculated. Digital maps of dynamic changes in the periodicity of the temperature conditions in the winter-spring period for the analyzed pear varieties are compiled. A digital computer analysis of the evaluation of frost hazard territories of Krasnodar region for pears in changing climate conditions was carried out. The proposed scientific approach suggests the need for a transition from registering the impact on the productivity of fruit crops and their varieties of individual environmental factors to evaluate their relationship and interdependence over specific phases of development. It will allow more efficient use the natural potentials of crops, varieties and growing environments without additional capital investments.
Keywords
Supporting agencies: The publication was prepared with the support of the RUDN University “5-100” Program and the Russian Foundation for Basic Research grant 17-307-50006.
About the Authors
I. A. Dragavtseva
North Caucasian Federal Scientifi c Center of Horticulture, Viticulture, Wine-making
Russian Federation
Russian Federation
Dr. Sci. (Agric.), Head of Laboratory
Krasnodar
N. V. Mozhar
North Caucasian Federal Scientifi c Center of Horticulture, Viticulture, Wine-making
Russian Federation
Russian Federation
PhD (Agric.), Researcher
Krasnodar
A. S. Romanenko
North Caucasian Federal Scientifi c Center of Horticulture, Viticulture, Wine-making
Russian Federation
Russian Federation
Junior Researcher
Krasnodar
I. Yu. Savin
V.V. Dokuchaev Soil Science Institute; Peoples Friendship University of Russia (RUDN University)
Russian Federation
Russian Federation
Savin Igor Yu., Dr. Sci. (Agric.), Corresponding member of RAS, deputy director; Professor, RUDN University
119017, Moscow, Pyzhevsky per., 7; 117198, Moscow, Miklouho-Maclay str., 6
E. Yu. Prudnikova
V.V. Dokuchaev Soil Science Institute; Peoples Friendship University of Russia (RUDN University)
Russian Federation
Russian Federation
PhD (Biol.), Researcher; Senior Lecturer, RUDN University
Moscow
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Review
For citations:
Dragavtseva I.A., Mozhar N.V., Romanenko A.S., Savin I.Yu., Prudnikova E.Yu. Suitability dynamics of winter-spring period for pear cultivation in Krasnodar Region. Horticulture and viticulture. 2019;(5):39-46. (In Russ.) https://doi.org/10.31676/0235-2591-2019-5-39-46
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