云南飞燕草的形态特征。个体发育中的叶

IF 0.4 Q4 PLANT SCIENCES
A. Gnatiuk
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引用次数: 0

摘要

对飞燕草叶片形态及其形态多样性的研究有代表性的结果。它是东黑海海岸的特有物种,是在乌克兰的M.M. Gryshko国家植物园引进的。结果表明,sergii在个体发育、营养芽和生殖芽的形成过程中都表现出叶片的异质性和形态变异。建立了叶片解剖程度与叶片形成和年龄的相关性。更深入解剖的叶子是“老”,而完整的板叶是更“年轻”。在个体发生过程中,幼苗首先发生单叶的复杂分化。结果表明,在生殖个体中,叶片结构沿茎段由下到中复杂,上部结构进一步简化。同一年龄阶段和同一年龄个体不同形状叶片的形成取决于光照条件、土壤湿度、作物密度和遗传异质性,因此取决于个体在不同生长条件下的形态可塑性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Morphological features of Delphinium sergii Wissjul. leaves in ontogeny
There are represented results of the study on leaf shape and its morphological diversity of the Delphinium sergii Wissjul. which is an endemic species of Eastern Black Sea Coast and was introduced in the culture at the M.M. Gryshko National Botanical Garden NAS of Ukraine. It is found that D. sergii is characterized by heterophylly and morphological variability of leaf blades which is manifested during ontogeny, in process of formation of its vegetative and generative shoots. The correlation of the dissection degree of the leaf blades with their formation and age has been established. More deeply dissected leaves are «older» while with complete laminas are more «younger». During the ontogenesis firstly occurs the complication of a simple lamina in seedlings by its division into segments. And, as a result, along the shoot the complication from lower to middle formations and further simplification of leaf structure in upper formation in generative individuals is observed. Formation of different by shape leaves in individuals of the same age stage as well as of the same age depends from conditions of lighting, soil moisture, crop density, and genetic heterogeneity, and therefore – from morphological plasticity of individuals in different conditions of growth.
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来源期刊
Modern Phytomorphology
Modern Phytomorphology PLANT SCIENCES-
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