SUPPLEMENTATION AND ASSESSMENT OF THE FORAGE CROPS GENETIC DIVERSITY OF USTYMIVSKA EXPERIMENTAL STATION OF PLANT PRODUCTION

Article language

українська

Print date

13.08.24

Date posted online

23.11.2024

Institution

Ustymivska Experimental Station of Plant Production of Plant Production Institute nd. a. V. Ya. Yuriev of NAAS Poltava State Agrarian University

Bibliography

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Section

Abstract

Aim. To identify sources of valuable economic and biological traits in the collection of fodder crops of different geographical origins in the Southern Forest-Steppe of Ukraine.

Results and Discussion. Fodder cereals and grain legumes are important in the foundation of a strong fodder basis for animal husbandry; they form high-protein fodder masses containing major macro- and micronutrients, minerals, vitamins, etc. in available forms. It is possible to harvest 20-30% more fodder mass and seeds when using best varieties and appropriate technologies. In 2020-2022, 317 new accessions of the perennial grasses were added to the collection, including 148 accessions of legumes, 142 of cereals and 27 accessions of rare fodder crops. As of January 1, 2023, this collection comprises 2,590 accessions; 1,211 of them are Ukrainian. By biological status, the accessions are distributed as follows: 697 breeding varieties, 185 landraces, pieces, 203 breeding lines, 46 clones, and 1,459 related species. New accessions are registered in the introduction database (where they are assigned temporary ID numbers) and sown in the field for propagation. Valuable accessions are catalogued in the National Catalog and the catalog of Ustymivka Experimental Station. Seeds are stored in the doublet storage of the Experimental Station and transferred to the National Depository.

Conclusions. Based on the assessments of the collection accessions for morphological and economically valuable features, promising accessions were selected: 16 winter hardy accessions, 17 accessions with good plant height at the anthesis onset, 8 accessions with good plant height on day 20 after mowing, 24 accessions yielding a lot of green mass when used for hay, 22 accessions with high yields of dry matter when used for hay, 13 accessions yielding a lot of seeds, 17 accessions due to good leafiness, 11 accessions with high weights of thousand seeds, and others. These accessions are recommended to involve in breeding starting materials to breed fodder grass varieties for different purposes.

Keywords

genetic resources, collection accession, hornwort, meadow timothy, perennial ryegrass, tall oatgrass, variable alfalfa