Zelenyak Alexander K. – PhD in Agriculture, Associate Professor; Leading Researcher of Department of Biology of Woody Plants, Nizhnevolzhsk Station on Selection of TRee Species (Branch of Federal Scientific Centre of Agroecology, Complex Meliora tion and Protective Afforestation of Russia Academy of Sciences), Kamyshin, Volgograd region.
E-mail: vnialmi@yandex.ru