Uman National University | today: 06/27/2025
| Author(s) | Slobodianyk H. Ya., Candidate of Agricultural Sciences, , Uman National University of Horticulture, Ukraine | ||
|---|---|---|---|
| Category | The Agronomy | ||
| year | 2025 | issue | Issue 106 Part 1 |
| pages | 436-448 | index UDK | 635.261 | DOI | 10.32782/2415-8240-2025-106-1-436-448 (Link) |
| Abstract | The quality of leek yield depends on the morphological and biological characteristics of the hybrids, planting density, and the conditions under which the pseudostem develops. The productivity of two hybrids (Factor A) – Jumper and Matejko – depending on the method of etiolation of the pseudostem (Factor B): either under black agrotextile or by soil hilling was compared in this study. The effect of planting density (Factor C), ranging from 95,200 to 296,300 plants/ha, on leek growth and development was also evaluated in this study. Row spacing was set at 45 cm, 60 cm, and 70 cm, with a distance of 15 cm between plants in a row, planted either one or two plants per hole. Etiolation was launched at the BBCH 16–17 growth stage, with a shading height of 20 cm. The studied factors significantly influenced the leaf area of leeks. On average across the experiment, the hybrid Matejko had a larger biomass growth, and under the 45 × 15 cm planting scheme, it reached 4.62–4.67 kg/m2, but hybrid Jumper according to the schemes 45 × 15 (2) cm and 60 × 15 (2) cm – 4.36–5.31 kg/m2. The average biomass growth was greater, when etiolated under black agrotextile compared to soil hilling. The interaction between hybrid and method of etiolation had no statistically significant effect on chlorophyll a+b content (BBCH 19). Higher productivity indicators were observed in Matejko hybrid. The planting scheme had a significant impact on leek growth and development parameters. The dry matter content correlates with the marketable yield of the Matejko hybrid at the level of r=-0.84, and of the Jumper hybrid at the level of r =-0.44. Leek yield capacity was 26 % dependent on the interaction of hybrid (A) and planting scheme (C). The marketable quality of the leek pseudostem was determined 66 % by the planting scheme and only 9 % by the method of etiolation. Due to production optimization perspective, Jumper hybrid can be grown using the 60 × 15(2) cm, 45 × 15(2) cm, and 45 × 15 cm planting schemes, while the Matejko hybrid is best suited for the 45 × 15 cm planting scheme. Etiolation of the pseudostem under black agrotextile is more effective than soil hilling. | ||
| Key words | leek, hybrid, placement scheme, etiolation method, yield | ||