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Evaluation of timothy hybrids (Phleum pratense L.) for seed productivity
https://doi.org/10.26898/0370-8799-2023-8-5
Abstract
Timothy grass is a valuable forage crop used to create hayfields and pastures. The results of research on seed productivity of timothy grass hybrid samples are presented. The purpose of the research is to create a new hybrid material for selection of timothy grass adapted to the conditions of the steppe zone of the Primorsky Territory. The second generation (F2) hybrids of timothy grass were the object of research. Thirty-nine hybrid accessions were studied in the breeding nursery (F2)) of the third year of life. The following accessions were found to be the most promising: No. 4 (Narymskaya♀ × Primorskaya mestnaya♂), No. 12 (Primorskaya mestnaya ♀ × Morshanskaya 69♂), No. 27 (Primorskaya mestnaya♀ × Narymskaya♂), and No. 36 (Morshanskaya 69♀ × Primorskaya mestnaya♂). Accessions No. 12 (Primorskaya mestnaya♀ × Morshanskaya 69♂) and No. 36 (Morshanskaya 69♀ × Primorskaya mestnaya♂) had the highest number of generative shoots (19–21 shoots per plant). The seeds productivity of the studied hybrids ranged from 3.95 (No. 4, Narymskaya♀ × Primorskaya mestnaya♂) to 10.0 (No. 36, Morshanskaya 69♀ × Primorskaya mestnaya♂) g/plant. Accessions No. 27 (Primorskaya mestnaya♀ × Narymskaya♂) and No. 36 (Morshanskaya 69♀ × Primorskaya mestnaya♂) were characterized by the highest productivity (8.15 and 10.0 g/plant, respectively) exceeding the standard by 7.2–31.6%. Analysis of the sowing characteristics showed that hybrid No. 27 (Primorskaya mestnaya♀ × Narymskaya♂) was the largest seeded hybrid; the 1000 kernel weight was by 0.18 g higher than the standard. Hybrid No. 27 (Primorskaya mestnaya♀ × Narymskaya♂) stood outfor its complex of economically important traits.
About the Authors
N. L. Klochkova
Federal Scientific Center of Agricultural Biotechnology of the Far East named after A.K. Chaiki
Russian Federation
Russian Federation
Natalia L. Klochkova, Laboratory Head
Ussuriysk, Primorsky Territory, Russia
O. N. Telichko
Far Eastern Scientific Research Institute of Plant Protection – Branch of the Federal Scientific Center of Agricultural Biotechnology of the Far East named after A.K. Chaiki
Russian Federation
Russian Federation
Olga N. Telichko, Candidate of Science in Agriculture, Department Head
42a, Mira St., Kamen-Rybolov, Khankaisky District, Primorsky Territory, 692684, Russia
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Review
For citations:
Klochkova N.L., Telichko O.N. Evaluation of timothy hybrids (Phleum pratense L.) for seed productivity. Siberian Herald of Agricultural Science. 2023;53(8):44-50. (In Russ.) https://doi.org/10.26898/0370-8799-2023-8-5
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