Plant Soil Environ., 2024, 70(5):296-304 | DOI: 10.17221/98/2024-PSE

Effect of seed weight and biostimulant seed treatment on establishment, growth and yield parameters of winter oilseed rapeOriginal Paper

David Bečka ORCID...1, Lucie Bečková ORCID...1, Matěj Satranský1, Kateřina Pazderů ORCID...1
1 Department of Agroecology and Crop Production, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic

This study evaluated the effect of seed weight and seed treatment on yield and growth parameters in a three-year field trial. Seed weight treatments were tested in three levels of thousand seed weight (TSW): low 4.28 g, medium 5.00 g and high 5.69 g, with and without a biostimulant seed treatment of Lumibio Kelta. Although statistically significant differences were not found in all experimental years, the three-year results showed that sowing seeds with higher seed weight increased the initial and final stand counts, root length, seed yield and oil content. The final stand at harvest time averaged over the three years ranged from 23.0 (low TSW) to 29.5 plants per 1 m2 (high TSW). Plants from high TSW seed had an average of 1.1 cm longer roots than plants from low TSW seed. The average yield increased with TSW: 5.49 t/ha (low TSW), 5.86 t/ha (medium TSW), and 5.94 t/ha (high TSW). High TSW also yielded higher oil content (45.77%) compared to the medium (45.25%) and low TSW (45.27%). No statistical difference could be detected in the initial emergence counts or final seed quality according to seed treatment. Seed treatment with the biostimulant increased root length and seed yield. Plants from seeds treated with the biostimulant had roots with an average of 0.6 cm longer, yielding 0.2 t/ha higher than the non-treated ones.

Keywords: winter rapeseed; Brassica napus L.; seed size; seed stimulation; field emergence; number of plants; leaf growth; root growth; yield; oiliness

Received: March 4, 2024; Revised: March 20, 2024; Accepted: March 25, 2024; Prepublished online: April 17, 2024; Published: April 22, 2024  Show citation

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Bečka D, Bečková L, Satranský M, Pazderů K. Effect of seed weight and biostimulant seed treatment on establishment, growth and yield parameters of winter oilseed rape. Plant Soil Environ. 2024;70(5):296-304. doi: 10.17221/98/2024-PSE.
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