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"10.29235/1029-8940-2022-67-1-16-23vestib-792Research ArticleСтатьиВлияние спектрального состава света на морфогенез культивируемой в оранжерее эпифитной орхидеи Cattleya labiata Lindl.Influence of the spectral composition of light on the morphogenesis of the epiphytic orchid Cattleya labiata Lindl. cultivated in the greenhouseГеткоН. В.HetkoN. V.

Гетко Нелли Владимировна - доктор биологических наук, доцент, главный научный сотрудник.

ул. Сурганова, 2в, 220012, Минск.

Nelly V. Hetka - D. Sc. (Biol.), Associate Professor, Chief Researcher. Central Botanical Garden of the National Academy of Sciences of Belarus.

2v, Surganov Str., 220012, Minsk.

N.Hetko@cbg.org.byБурчикН. А.BurchikN. A.

Бурчик Наталия Анатольевна - соискатель.

ул. Сурганова, 2в, 220012, Минск.

Natalia A. Burchik - Applicant. Central Botanical Garden of the National Academy of Sciences of Belarus.

2v, Surganov Str., 220012, Minsk.

green-ice@tut.byБаркунМ. И.BarkunM. I.

Баркун Михаил Иосифович - ведущий специалист.

Логойский тракт, 20, 220090, Минск.

Mikhail I. Barkun - Leading specialist. Center for LED and fiber-optic technologies of the National Academy of Sciences of Belarus.

20, Logoiskii tract, 220090, Minsk.

m.barkun@ledcenter.byТитокВ. В.TitokV. V.

Титок Владимир Владимирович - член-корреспондент, доктор биологических наук, доцент, директор.

ул. Сурганова, 2в, 220012, Минск.

Vladimir V. Titok - Corresponding Member, D. Sc. (Biol.), Associate Professor, Director. Central Botanical Garden of the National Academy of Sciences of Belarus.

2v, Surganov Str., 220012, Minsk.

V.Titok@cbg.org.byЦентральный ботанический сад НАН БеларусиCentral Botanical Garden of the National Academy of Sciences of BelarusЦентр светодиодных и оптоволоконных технологий НАН БеларусиCentral Botanical Garden of the National Academy of Sciences of Belarus2022020220226711623Copyright © Гетко Н.В., Бурчик Н.А., Баркун М.И., Титок В.В., 20222022Гетко Н.В., Бурчик Н.А., Баркун М.И., Титок В.В.Hetko N.V., Burchik N.A., Barkun M.I., Titok V.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/792

В работе проведена оценка влияния трех видов LED-ламп с различным спектральным составом излучения и потоком фотонов фотосинтеза - PPG T8I Agro (37), Navigator DSP-FITO (47.5) и ДДП06-3×8-004 УХЛ 4 ‘Home Farm' (100) - на морфогенез культивируемой в оранжерее орхидеи Cattleya labiata Lindl. Степень влияния спектрального состава света на морфогенез растений С. labiata оценена с помощью таких параметров, как толщина годовых листьев, процент сухого вещества и прирост биомассы на единицу поверхности листа (мкг/см2) за период 140 дней. Спектральные характеристики LED-лампы ДДП06-3×8-004 УХЛ 4 ‘Home Farm' с белым свечением, интенсивностью PPF 100 рассматриваются в качестве наиболее благоприятных для успешного культивирования орхидеи Cattleya labiata в условиях оранжерей. При сочетании в составе спектра красного и зеленого спектров с величиной их соотношения, равной 1,3, и красного и синего спектров с величиной их соотношения, равной 3,34, наблюдается более высокий уровень накопления сухой массы на единицу поверхности листа при сохранении характерных для данного вида орхидей морфоструктурных параметров.

This work evaluates the test results of 3 types of LED lamps with different spectral composition of radiation and photon flux of photosynthesis (PPF, μmol/m2/sec): PPG T8I Agro (37), Navigator DSP-FITO (47.5) and DDP06-3×8-004 UHL 4 ‘Home Farm' (100), in the greenhouse culture of the orchid Cattleya labiata Lindl. The parameters of the thickness of annual leaves, the percentage of dry matter and the increase in biomass per unit of leaf surface (μg/cm2) formed over a period of 140 days were used as indicators to assess the degree of influence of the spectral composition of light on the morphogenesis of C. labiata plants. The spectral characteristics of the LED lamp DDP06-3×8-004 UHL 4 ‘Home Farm' with a white glow, intensity PPF 100 are considered as the most favorable for the successful greenhouse cultivation of the orchid Cattleya labiata Lindl. The combination in its spectrum of red and green spectra with their ratio equal to 1.3, and when the ratio of red and blue spectra equal to 3.34, a higher level of dry matter accumulation is observed per unit of leaf surface area white maintaining parameter of the leaf structure characteristic of a given plant species.

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