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Kuznetsova G. V. Vegetative and Seed Progeny of Rare Forms of the Siberian Stone Pine in Krasnoyarsk Forest-Steppe

Authors:
Keywords:
Siberian stone pine, rare forms, vegetative, seed progeny, annual, biennial, mixed, seed bearing, female cone, ramets
Pages:
3–10

Abstract

UDC 630*232.328.1+630*232.31 (571.51)

How to cite: Kuznetsova G. V. Vegetative and seed progeny of rare forms of the Siberian stone pine in Krasnoyarsk Forest-Steppe // Sibirskij Lesnoj Zurnal (Sib. J. For. Sci.). 2024. N. 4. P. 3–10 (in Russian with English abstract and references).

DOI: 10.15372/SJFS20240401

EDN: …

© Kuznetsova G. V., 2024

The results of a study of the biology of the development of vegetative and seed progeny of rare forms of the Siberian stone pine (Pinus sibirica Du Tour), created under new testing conditions in the experimental forestry “Pogorelsky Bor” in the Krasnoyarsk forest-steppe, are presented. Mother trees of vegetative offspring grow in optimal conditions in the low mountains of the Western Sayan, and seed trees in the foothills of Khamar-Daban and the Lake Baikal basin. Rare forms of the Siberian stone pine trees are characterized, in addition to the two-year seeding period, by the development of megastrobiles in the year of flowering, a year earlier than in typical forms. According to the results of the study, it was revealed that the vegetative offspring of the Siberian stone pine inherits the annual and mixed type of seed production of the mother tree (808) of the Sayan population; The seed offspring of the Baikal population are distinguished by growth indicators (increased number of cotyledons, long needles, number of lateral shoots, height, growth), which are also characteristic of mother trees. All identified signs of vegetative and seed progeny of the Siberian stone pine rare forms created in the Krasnoyarsk forest-steppe are characteristic of hybrid plants, manifested as growth heterosis. 

Article


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