Abstract
Prunus pumila is an introductory species with a disjunctive culturing area, which is caused by the instability of plants to rotting on waterlogged soils with unstable winters and high snow cover. One of the varieties of Prunus pumila in natural habitats grows on acidic soils and sometimes in wetlands. In the introduction population of the Chelyabinsk region, not all varieties could take part in the formation of the introduction population. In terms of stone shape and plant habit, no specimens matching the description of the P. pumila var. depressa variety could be identified. On the basis of the classification of plant morphotypes developed by us it was possible in some cases to obtain significant differences in the distribution of stone indices in groups with different types of crowns. The maximum differences were found in groups with the crown type of raised shrub and tree shrub for the index length / width and length / thickness of the stone. In the first case, a significant difference was obtained at the 1% significance level (tf = 2.81), and in the second even at the 0.1% significance level (tf = 3.78).
Highlights
For plants that have real or potential economic usefulness, it is important to identify the adaptive potential for expanding the cultivated area
The study of the introduction population on the territory of the Chelyabinsk region by a complex of diagnostic morphological characters revealed that not all varieties took the same part in the formation of the introduction population [7, 8]
Based on the shape of the stone and plant habit, it was not possible to reveal the participation of the P. pumila var.depressa
Summary
For plants that have real or potential economic usefulness, it is important to identify the adaptive potential for expanding the cultivated area. The study of the introduction population on the territory of the Chelyabinsk region by a complex of diagnostic morphological characters revealed that not all varieties took the same part in the formation of the introduction population [7, 8]. Based on the shape of the stone and plant habit, it was not possible to reveal the participation of the P. pumila var.depressa
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