Abstract
Background. Soybeans accessions from the VIR collection were tested in Primorsky Territory, Russia. These accessions had not been studied earlier in that area.Materials and methods. The testing was carried out at the Far East Experiment Station of VIR and involved 570 soybean accessions of various geographic origin. The work was performed according to VIR’s methodological guidelines.Results. The selected accessions were evaluated for their flowering and ripening schedule, seed yield, various seed characteristics (primary color of seed coat, seed hilum color, etc.), 1000 seed weight, plant height, the lower pod setting height, etc. The maximum seed yield (18.0–21.9 g) was registered for 4 accessions: ‘Primorskaya 1099’(k-9700), ‘Primorskaya 1102’ (k-9707) (Russia, Primorsky Territory); ‘Epps’(k-9308) and ‘Pioneer 3981’(k-9651) (USA). Their growing season lasted 121– 130 days. The earliest accessions ‘1337’ and ‘738-4’ (Sweden) had growing seasons of 81–90 days and low seed yields. The weight of 1000 seeds varied from 71 g to 250 g. Only one accession had 1000 seed weight higher than 300 g. The correlation between seed yield and growing season duration was medium (r = 0.57), and between seed yield and 1000 seed weight it was small (r = 0.13). Stem length varied from 15–30 to 111–130 cm. Accessions with the highest seed yield had stem lengths of 51–90 cm. The lower pod setting height ranged from a minimal level (< 6.1 cm) to 18.1–20.0 cm. Among the 92 accessions with high seed productivity (> 14.0 g) only 5 produced their lower pods at a height above 12 cm. Full-scale characterization of the material was published in Catalogue of the VIR Global Collection, Issue 905, 2019.Conclusion. The accomplished study helped to describe earlier untested accessions, grown under the environmental conditions important for soybean production. The accessions with the best economic characteristics can be used in breeding practice.
Highlights
Soybeans accessions from the VIR collection were tested in Primorsky Territory, Russia
The lower pod setting height ranged from a minimal level (< 6.1 cm) to 18.1–20.0 cm
Full-scale characterization of the material was published in Catalogue of the VIR Global Collection, Issue 905, 2019
Summary
Работа посвящена обзору образцов сои коллекции ВИР, оцененных в условиях Приморского края РФ. Для изученных образцов оценка в данных условиях выполнена впервые, а для большеи их части первичная характеристика отсутствует в ранее изданных каталогах ВИР. Наибольшую продуктивность (от 18,0 до 21,9 г с одного растения) имели четыре образца: ‘Приморская 1099’ (к-9700), ‘Приморская 1102’ (к-9707) из Приморского края, ‘Epps’ (к-9308) и ‘Pioneer 3981 (к-9651) из США. Образцы созревали за период от 81 дня до 140 и более, а наиболее продуктивные – за 121– 130 днеи. Самые скороспелые образцы ‘1337’ и ‘738-4’ (Швеция) имели низкую продуктивность. Наиболее продуктивные образцы имели семена среднеи крупности – 161–220 г. Корреляция продуктивности с продолжительностью вегетации среднеи силы (r = 0,57), а с крупностью семян очень слабая (r = 0,13). Исследование расширило изученность и увеличило доступность образов коллекции ВИР для научных исследовании и селекционного использования. Выделенные образцы с лучшими значениями хозяиственно ценных признаков могут использоваться в селекции
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