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Seed Productivity оf Prunus sargentii Rehder as an Indicator оf the Success оf Introduction

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Приведены результаты исследований особенностей плодоношения Prunus sargentii Rehder в условиях Московского региона. Установлено, что большинство растений интродукционной популяции, находящихся в генеративном состоянии, стабильно цветет и плодоносит. Период созревания плодов в среднем составляет 35–40 сут. Несмотря на разные сроки цветения отдельных деревьев, созревание плодов на них происходит одновременно. Изучены фенологические фазы формирования плодов, представлен анализ морфометрических параметров и изменчивости признаков плодов по массе, длине и ширине. Установлены показатели семенной продуктивности: потенциальная и реальная семенная продуктивность, процент плодоцветения, коэффициент семенификации. Стабильное цветение и плодоношение P. sargentii в условиях Московского региона свидетельствует о перспективности вида для его дальнейшего более широкого использования в озеленении. The results of studies of the fruiting characteristics of Prunus sargentii Rehder in the conditions of the Moscow region are presented. It has been established that most plants of the introduced population, which are in a generative state, consistently bloom and bear fruit. The fruit ripening period averages 35–40 days. Despite the different flowering periods of individual trees, the ripening of fruits on them occurs simultaneously. The phenological phases of fruit formation have been studied, an analysis of morphometric parameters and variability of fruit characteristics by weight, length and width are presented. Indicators of seed productivity have been established: potential and real seed productivity, the percentage of flowering, the coefficient of seedification. The stable flowering and fruiting of P. sargentii in the conditions of the Moscow region indicates the prospects of the species for its further widespread use in landscaping.
Title: Seed Productivity оf Prunus sargentii Rehder as an Indicator оf the Success оf Introduction
Description:
Приведены результаты исследований особенностей плодоношения Prunus sargentii Rehder в условиях Московского региона.
Установлено, что большинство растений интродукционной популяции, находящихся в генеративном состоянии, стабильно цветет и плодоносит.
Период созревания плодов в среднем составляет 35–40 сут.
Несмотря на разные сроки цветения отдельных деревьев, созревание плодов на них происходит одновременно.
Изучены фенологические фазы формирования плодов, представлен анализ морфометрических параметров и изменчивости признаков плодов по массе, длине и ширине.
Установлены показатели семенной продуктивности: потенциальная и реальная семенная продуктивность, процент плодоцветения, коэффициент семенификации.
Стабильное цветение и плодоношение P.
sargentii в условиях Московского региона свидетельствует о перспективности вида для его дальнейшего более широкого использования в озеленении.
The results of studies of the fruiting characteristics of Prunus sargentii Rehder in the conditions of the Moscow region are presented.
It has been established that most plants of the introduced population, which are in a generative state, consistently bloom and bear fruit.
The fruit ripening period averages 35–40 days.
Despite the different flowering periods of individual trees, the ripening of fruits on them occurs simultaneously.
The phenological phases of fruit formation have been studied, an analysis of morphometric parameters and variability of fruit characteristics by weight, length and width are presented.
Indicators of seed productivity have been established: potential and real seed productivity, the percentage of flowering, the coefficient of seedification.
The stable flowering and fruiting of P.
sargentii in the conditions of the Moscow region indicates the prospects of the species for its further widespread use in landscaping.

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