Modern Phytomorphology

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Anatomical structure of the shoots of shrubby introducents from Rosaceae Juss. family and its value for winter resistance of these plants in the conditions of the Right-Bank Forest-Steppe of Ukraine

Abstract

Andriy I. Babytskiy, Oleg I. Kytaev, Nadiya M. Trofymenko

On the base of investigations of the anatomical structure of annual shoots of shrubby introduced species from the family Rosaceae (viz Exochorda Lindl., Kerria DC., Photinia Lindl., Prinsepia Royle, Rhodotypos Sieb. et Zucc. and Stephanandra Sieb. et Zucc), the relation between it and ability of these plants to endure the disadvantageous conditions of winter period in the Right-Bank Forest-Steppe of Ukraine was established. It has proved that the most inclined to the damages called “winter exsiccation” are shoots of R. kerrioides because of suction activity of the ice (which forms in the cortex) in consequence of their weak xylem. Also we have found that the weak periderm of the shoots of K. japonica, K. japonica ′Plena′, S. incisa and S. incisa ′Crispa′ could be the reason that causes its damages by the frost.

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