ANATOMICAL STRUCTURE OF DWARF CHERRY ROOTSTOCKS WIDELY USED IN UZBEKISTAN: MORPHOLOGICAL FEATURES AND ADAPTIVE TRAITS

Zaynilabiddin  Abdikayumov; Khasan Buriyev

Авторы

Zaynilabiddin Abdikayumov Doctor of Philosophy in Agricultural Sciences Tashkent State Agrarian University, Uzbekistan
Khasan Buriyev Professor, Doctor of Biological Sciences Tashkent State Agrarian University, Uzbekistan

Ключевые слова:

cherry, rootstocks, stem anatomy, secondary growth, dwarfing, adaptive traits, sclerenchyma, cambium activity, calcium oxalate crystals

Аннотация

The anatomical structure of cherry (Prunus avium L.) dwarf rootstocks remains insufficiently described in the scientific literature, particularly regarding stem tissue organization and its relationship to growth characteristics. This study provides the first detailed anatomical assessment of the stems of dwarf cherry rootstocks—specifically the VSL-2 (Krymsk-5) and Prunus mahaleb (Mahaleb cherry, used as control). The objective was to investigate structural features and adaptive traits associated with the dwarfing phenotype and cambial activity. Transverse stem sections were analyzed using light microscopy, with quantitative morphometric parameters statistically processed. The findings reveal both commonalities and significant differences between rootstocks in terms of periderm structure, vascular tissue development, and calcium oxalate crystal formation. These anatomical distinctions reflect adaptive strategies and may underlie key physiological mechanisms responsible for dwarfism and environmental resilience. Results contribute novel insights into the functional anatomy of cherry rootstocks and support their further use in breeding and horticultural practices.

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