Abstract:Using the example of crowns of Ulmus glabra Huds. individuals of the virginal age state, the structure of biennial shoots systems (BSS), the occurrence of different types of them in the crown as a whole and in its different parts are analyzed. Identified features of the structure of the maternal shoot for three functionally different types of BSS: Filling-up, Growth, Basic and Narrow-Outline and Super-growth. Comprehensive analysis of morphology of the maternal axis and lateral shoots revealed the characterist… Show more
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