Biology of Flowering Paulownia tomentosa in the conditions of the Sirdaryo Region
1Department of Ecology and Geography, Gulistan State University, Independent Researcher, National University of Uzbekistan named after Mirzo Ulugbek, Uzbekistan 2Faculty of Biology and Ecology, National University of Uzbekistan named after Mirzo Ulugbek, Uzbekistan
*Corresponding author
Abstract:
This study is devoted to a comprehensive investigation of the flowering biology of Paulownia tomentosa under introduction (acclimatization in a new region) conditions. During the research, phenological observations were conducted, the morphological structure of the flower was analyzed, and the effects of temperature and photoperiod (day length) on the flowering process were studied. In addition, the mechanisms of pollination and the characteristics of fruit set were examined in detail. The obtained results indicate that introduction conditions cause a certain delay in the flowering phase of the plant. It was also determined that entomophilous pollination, i.e., pollination by insects, plays the dominant role in this process. Furthermore, ecological stress factors were found to significantly affect flowering intensity, pollination efficiency, and seed formation quality. These scientific findings are of important theoretical and practical significance for the successful introduction of Paulownia tomentosa into agroforestry systems, optimization of its adaptation to introduction conditions, and effective organization of practical introduction programs.
Keywords: Paulownia tomentosa, flowering biology, phenology, photoperiod, temperature, entomophilous pollination, autogamy
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How to cite this article:
Juraev Hasanbek Nuriddinovich and Allaberdiev Rustamjon Khamraevich. 2026. Biology of Flowering Paulownia tomentosa in the conditions of the Sirdaryo Region.
Int.J.Curr.Microbiol.App.Sci. 15(4): 204-208. doi:
https://doi.org/10.20546/ijcmas.2026.1504.025
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National Academy of Agricultural Sciences (NAAS) 
