Modern Collection Fund of the Laboratory of Ornamental Plants of the Main Botanical Garden of the Russian Academy of Sciences as a Source of Genetic Resources for Breeding

I. A. Bondorina, A. Kabanov, N. Mamaeva, J. Khokhlacheva, G. Savelieva, V. Kudusova
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Abstract

The current policy of forming the collection fund of the laboratory of ornamental plants of the MBG RAS is aimed at creating not only large, but also unique collections that can be in demand in various aspects of research work. Thus one of the most actual and obvious basic directions of use of resources of a collection fund is the organization on its basis of selection work. So, it can be used as a source of formation of working collections for realization of two most often applied principles of selection of pairs for crosses: ecological and geographical and on a complex of economic and biological signs. The aim of the work is to create varieties of ornamental plants based on the use of genetic resources of the collection background of MBG RAS. Representatives of 4 generic complexes from the collection fund of the laboratory of ornamental plants of MBG RAS: Astilbe, Dahlia, Iris and Phlox were used as model objects. The creation of populations for selection is carried out using artificial inter-port and interspecific hybridization, as well as free and limited-free pollination. In the selection of parent pairs and the selection of maternal forms (with free pollination), the concept of the trait is mainly applied. Selection is carried out mainly from populations of F1 hybrids. The method of selection is individual, according to the complex of decorative and economically valuable features. Currently, 6 breeding numbers have been prepared for transfer to the state selection test: 4 representatives of the genus Dahlia and 2 representatives of the genus Astilbe. Keywords—MBG RAS, collection fund, herbaceous perennials, selection process, working collections, prospective breeding numbers
俄罗斯科学院主要植物园观赏植物实验室现代收集基金,作为育种遗传资源的来源
目前形成MBG RAS观赏植物实验室收藏基金的政策,旨在创造不仅是大型的,而且是独特的收藏,可以在研究工作的各个方面的需求。因此,征募基金资源运用最实际、最明显的基本方向之一就是在其选择工作基础上的组织。因此,它可以作为形成工作集合的来源,以实现两个最常用的杂交组合选择原则:生态和地理以及经济和生物标志的综合体。本工作的目的是利用MBG RAS收集背景的遗传资源,创造观赏植物品种。以MBG RAS观赏植物实验室收藏基金中具有代表性的4个属配合物:Astilbe、Dahlia、Iris和Phlox作为模型对象。利用人工口间和种间杂交,以及自由和有限自由授粉,建立种群进行选择。在亲本对的选择和母型(自由授粉)的选择中,主要应用性状的概念。选择主要是从F1杂交种群体中进行的。选择的方法是个性化的,根据复杂的装饰和经济价值的特点。目前,已准备转入国家选育试验的育种号有6个:大丽花属代表4个,新落草属代表2个。关键词:mbg RAS,采集资金,草本多年生植物,选择过程,工作采集,预期育种数量
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