ANATOMICAL AND MORPHOLOGICAL FEATURES OF STEMS AND LEAVES OF FILMY TYPES OF TRITICUM SPELTA L. AND T. DICOCCUM (SCHRANK) SCHUEBL.
Journal Title: Вісник Одеського національного університету. Біологія - Year 2016, Vol 21, Issue 1
Abstract
Quantitative parameters of elements of the anatomical structure of the leaves and stems of two species of hulled wheats Triticum spelta and T. dicoccum in the phase of flowering – milky stage of plants that were grown under the same conditions were analysed. The aim of our study was to identify the characteristics of the internal structure of leaves and stems of cultural hulled wheat Triticum spelta and Triticum dicoccum, grown on the south steppe zone of Ukraine. The material for the research was fresh green leaves and shoots of winter wheat interstices of two types: T. spelta and T. dicoccum. Plants were grown in experimental plots of Selection and Genetics Institute - National Center of Seed and Cultivar (c. Odesa), the area which is located in the southern part of the Black Sea lowland in southern steppe areas in the Odesa region. To study the anatomical structure of the stem and leaves 5-7 plants of each species in the flowering stage – lactic ripeness were collected. Anatomical structure of plant material was studied in temporary preparations treated with a solution phloroglucine and 30 % hydrochloric acid. It was found that leaves of T dicoccum differed from T. spelta leaves by thicker mesophyll, loose arrangement of vascular bundles, fewer stomata. Stems of T. spelta are characterized by less wide ring of schlerenchyma with smaller vascular bundles than in T. dicoccum, and fewer vascular bundles in the parenchyma. Thus, in the investigated species of wheat there are some differences in the characteristics of the main elements of the anatomical structure of the stem, diameter, radius of cavity straw, the degree of mechanical tissue, the number of rows and the size of vascular bundles. Quantitative parameters of anatomical and morphological characteristics can be used to evaluate the genotype and physiological condition of plants.
Authors and Affiliations
N. A. Kyrylenko, O. M. Ruzhytska, O. V. Borysova
Keywords
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