vestibИзвестия Национальной академии наук Беларуси. Серия биологических наукProceedings of the National Academy of Sciences of Belarus, Biological Series1029-89402524-230XThe Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"vestib-246Research ArticleСтатьиАКТИВНОСТЬ ФОТОСИНТЕТИЧЕСКОГО АППАРАТА И ЗАЩИТНАЯ СИСТЕМА РАСТЕНИЙ ОГУРЦА (CUCUMIS SATIVUS L.) ПРИ УЗКОПОЛОСНОМ ОСВЕЩЕНИИ РАЗЛИЧНОГО СПЕКТРАЛЬНОГО СОСТАВАPHOTOSYNTHETIC APPARATUS AND DEFENSE SYSTEM OF CUCUMBER (CUCUMIS SATIVUS L.) PLANTS UNDER LED LIGHTING OF DIFFERENT SPECTRAL COMPOSITIONВязовЕ. В.ViazauY. V.

мл. науч. сотрудник

Junior Scientific Researcher

viazau@yahoo.comШалыгоН. В.ShalygoN. V.

д-р биол. наук, чл.-кор. НАН Беларуси, доцент, зав. лабораторией биофизики и биохимии растительной клетки

Sc. D. (Biology), corresponding member of NAS of Belarus, Associate Professor, Head of the Laboratory of biophysics and biochemistry of plant cell

shalygo@ibp.org.byИнститут биофизики и клеточной инженерии НАН БеларусиInstitute of Biophysics and Cell Engineering of the National Academy of Sciences of Belarus201616112016041926Copyright © Вязов Е.В., Шалыго Н.В., 20162016Вязов Е.В., Шалыго Н.В.Viazau Y.V., Shalygo N.V.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://vestibio.belnauka.by/jour/article/view/246

Освещение растений огурца с применением красных и синих светодиодов приводит к небольшому снижению активности фотосистемы 2, что вызвано адаптацией фотосинтетического аппарата. Используемое светодиодное освещение не оказывает существенного влияния на площадь листа и сухую массу растений, а при применении только синих светодиодов наблюдается интенсификация их роста. Под красными светодиодами активизируется антиоксидантная и антипатогенная защита растений. Полученные результаты могут быть применены для оптимизации условий выращивания растений в теплицах.

Lighting with the use of red and blue light-emitting diodes (LED) causes a slight decrease in photosystem II activity due to an adaptation of photosynthetic apparatus in cucumber plants. Applied lighting generally does not have a significant effect on leaf area and dry weight of plants. However, intensification of growth under blue LEDs alone takes place. Red narrowband light induces antioxidant and anti-pathogenic protection in cucumber plants. The obtained results can be applied or optimization of the growing conditions of greenhouse plants.

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The authors declare that there are no conflicts of interest present.