CONSERVATION AND INTRODUCTION OF NICOTIANA RUSTICA L. COLLECTION ACCESSIONS

Article language

українська

Print date

11.09.25

Date posted online

11.11.2025

Institution

Institute of Agrarian Resources and Regional Development of NAAS

Bibliography

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Section

INTRODUCTION

Abstract

Aim. To justify and highlight the main approaches to the formation, enrichment, and maintenance of collections of Nicotiana rustica L. varieties, to identify sources of accessions acquisition, selection criteria, and to ensure scientific verification and preservation of valuable varieties for breeding and production.

Results and Discussion. Collection formation is based on the integration of local forms, results of long-term selection and adaptation, and introduction of foreign accessions through expeditions and international cooperation. Selection criteria include morphological, agronomic, biochemical, and adaptive indicators. Conservation is carried out both in seed banks and field collections. Evaluation and characterization enables the identification and comparison of key traits (plant height, leaf number, nicotine content, stress resistance). Ukrainian varieties ('Khmelovka', 'Ukrayinka', 'Kurchava', 'Bakun Chornyi', and 'Vysokorosla Zelena') are highly adaptable to regional conditions, consistently yielding, and serve as a basis for developing new hybrids. The importance of integrating local and global genetic resources, comprehensive documentation, and information systems is confirmed for optimized breeding and conservation.

Conclusions. Systematic approaches to the management, selection, evaluation, and characterization of N. rustica L. collections ensure the preservation and effective use of genetic resources for breeding, adaptation to climate change, and food security in Ukraine.

Keywords

conservation, introduction, variety, accession, Nicotiana rustica L., adaptability, breeding, comprehensive assessment, collection, agrobiodiversity