20.500.12556/RUL-135704 Fertilisation with potassium silicate exerted little effect on production parameters of cucumbers exposed to UV and drought (1) Background: Cucumbers are highly sensitive to drought and UV-B radiation, which may also act synergistically. Silicon is a beneficial element for plants, as it can alleviate negative effects of different environmental constraints. Studies revealed that fertilisation of cucumbers with silicon showed a variety of positive effects, which increased plant vitality. The aim of this study was to investigate the role of potassium silicate in shaping cucumber traits and in mitigating potential adverse effects of drought and UV radiation. (2) Methods: Plants were exposed to different treatments regarding water availability, UV radiation, and potassium silicate addition. During the experiment, the level of plant-available silicon and total silicon content in the soil were monitored along with soil moisture. At the end of the experiment, the leaf element composition, leaf biochemical and leaf physiological properties were analysed in addition to growth and production parameters of these cucumbers. (3) Results: Among the three studied factors, insufficient water supply had the most negative impact on measured parameters, causing a significant decline in cucumber growth and production. UV radiation had an adverse impact on various studied parameters, while potassium silicate addition negatively affected production parameters. Fertilisation with potassium silicate increased the level of plant-available silicon in the soil and leaf silicon content. (4) Conclusions: Fertilisation with potassium silicate exerted little impact on production parameters of cucumbers exposed to ambient UV radiation and drought. Significant interactions between the studied factors were detected for the aboveground vegetative plant parts. cucumbers potassium silicate plant-available silicon drought UV radiation leaf traits kumare kalijev silikat rastlinam dostopen silicij suša UV sevanje poteze listov true false true Angleški jezik Slovenski jezik Članek v reviji 2022-03-29 09:58:14 2022-03-29 09:58:15 2022-09-14 04:14:44 0000-00-00 00:00:00 2021 0 0 Str. 142-161 iss. 3 Vol. 1 2021 0000-00-00 Zaloznikova Objavljeno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 581.1 2673-7140 10.3390/stresses1030012 73854723 RAZ_Grasic_Mateja_2021.pdf RAZ_Grasic_Mateja_2021.pdf 1 008D2C3D757E61241E7B49DAFD6FB9F7 888f1d0c4f4c776ef8a6535335801d78e28bd9b6b7ac0ddac39148e4bc6fec55 5a4f3a31-af36-11ec-8aca-00155dcfd717 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=154947 https://www.mdpi.com/2673-7140/1/3/12 1 f8d1d07f-af35-11ec-8aca-00155dcfd717 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=154946 Biotehniška fakulteta 0 0 0