Influence of the amount of water on the growth of one species and four hybrids of Paulownia in the first year of cultivation in Central Europe

Jiří Kadlec, Kateřina Novosadová, Martin Kománek and Radek Pokorný
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Jiří Kadlec: Department of Silviculture, Faculty of Forestry and Wood Technology, Mendel University in Brno, Brno, Czech Republic
Kateřina Novosadová: Department of Silviculture, Faculty of Forestry and Wood Technology, Mendel University in Brno, Brno, Czech Republic
Martin Kománek: Department of Silviculture, Faculty of Forestry and Wood Technology, Mendel University in Brno, Brno, Czech Republic
Radek Pokorný: Department of Silviculture, Faculty of Forestry and Wood Technology, Mendel University in Brno, Brno, Czech Republic

Journal of Forest Science, 2025, vol. 71, issue 6, 286-296

Abstract: A lack or, conversely, an excess of water during the first growing seasons can bring about a slowdown in the growth of plants, their stagnation or even death. The necessary amount of water is not known for most hybrids of Paulownia. Therefore, one species and four hybrids were subjected to three regimes of watering to find out their impacts on plant height, radial growth, the amount of leaf biomass and leaf area. We planted 30 plants of each species/hybrid into plant pots under a shelter. At the end of the growing season, we measured the above-mentioned parameters. Our results showed that: (i) generally, a mean precipitation of 50 mm per month in the growing season ('per month') seems to be insufficient for optimal growth of Paulownia plants in the first years after planting; (ii) each species/hybrid reacts differently to the amount of water - P. Shan Tong grows better with 100 mm per month, P. tomentosa with 150 mm (and more) per month and the growth parameters of the others did not change (and remained low) with different amounts of water (P. Hybrid 9502, P. Bellissia® and P. Clon in vitro 112®).

Keywords: crown projection area; height; leaf area; leaf biomass; radial growth (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnljfs:v:71:y:2025:i:6:id:19-2025-jfs

DOI: 10.17221/19/2025-JFS

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