Abstract
The presence of the resulting fruit and mature seeds of introduced plants - one of the indicators of the success of introduction of new types of tests in specific climatic conditions. The study of the latent period and the evaluation of the quality of reproductive diaspora are necessary to develop recommendations for the implementation of promising species for the needs of the national economy and the urban and landscape gardening. This assessment is important for collections of the Botanical Gardens, as they participate in the international exchange of seeds, and it is always important to know - what quality seeds are sent or received in the garden upon request. The purpose of this work - assessment of the quality of seeds of some species of apple tree Malus Mill. (Rosaceae), introduced in the Peter the Great Botanical Garden. In the course of the work it is shown that in the conditions of St. Petersburg, a considerable number of introduced species of fruit each year form a complete and viable seeds. It was found that different types of apples are not all the fruits of the seeds are formed, and many formed seeds are damaged by pests. That less, for seed multiplication, you can use the seeds of its own reproduction, but only after a careful selection of the most large and made of them not affected by pests. It is necessary to carry out preventive measures to fumigation reproductive dias-poras for timely pest control.
Highlights
High quality seeds of introduced plants are an indicator of the success of the cultivation of new plants in other climates
The fruits and seeds of some species of apple trees were collected from plants grown in the park-arboretum of the Peter the Great Botanical garden of Komarov Botanical Institute of RAS
Petersburg), have grown species of the genus Malus annually produced fruit, but not all fruits are formed made and selected seeds, highquality seeds, not all seeds are of good quality and the degree of implementation
Summary
Ключевые слова: яблоня, Malus, Rosaceae, интродукция растений, плоды, семена, качество семян, всхожесть, латентный период, коллекции, Ботанический сад Петра Великого, рентгенография. В условиях Ботанического сада Петра Великого (Санкт-Петербург), интродуцировано большое число видов рода Malus Mill. Плоды и семе на ряда видов яблонь, были собраны от растений, выращиваемых в паркедендрарии Ботанического сада Петра Великого Ботанического института им. В условиях Ботанического сада Петра Ве ликого БИН РАН (Санкт-Петербург), у всех выращиваемых в коллекции видов рода Malus образуются плоды, но не во всех плодах формируются выполненные, качественные семена. Рентгенографический метод оценки качества плодов и выполненно сти семян интродуцированных растений позволяет оперативно и не де структивно осуществлять контроль и выявлять поражённые личинками се мена, и для выращивания новых растений использовать лишь качествен ный отобранный семенной материал
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