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Growth of Micropropagated Solanum tuberosum *** under Artificial Solar Spectrum and Different Mono-and Polychromatic LED Lights

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Horticultural Plant Journal 2022年第2期8卷 205-214页

作者： Olga V.Grishchenko Eugeny P.Subbotin Irina V.Gafitskaya y.lia V.Vereshchagina Elena V.Burkovskaya y.lia a.khrolenko Valeria P.Grigorchuk Olga V.Nakonechnaya Victor P.Bulgakov yuri N.Kulchin Federal Scientific Center of the East Asia Terrestrial Biodiversity Far Eastern Branch of the Russian Academy of SciencesVladivostok 690022Russia Institute of Automation and Control Processes Far Eastern Branch of the Russian Academy of SciencesVladivostok 690041Russia

In agriculture,LED light sources have increasingly replaced the standard luminescent lamps and have acquired an important role in plant *** studied the effect of different light sources such as narrow-band LEDs(bright blue,blue,green,yellow,deep red,and red)and wide-band LEDs(cold white,white,warm white,full spectrum,and an artificial solar spectrum sun box constructed by us)on development of potato plantlets in *** luminescent lamps were used as a *** light intensity of 49μmol·m^(-2)·s^(-1)was provided in all light *** showed that the long-wave narrow-band light treatments were inapplicable for potato micropropagation,because plantlets were weak with small leaves,inhibited roots,and significantly elongated *** lights provided growth of shortened plantlets with large leaves,well-growing roots,and abundant green *** chlorophyll content was lower under blue and bright blue light and was at the same level in the remained *** differences in the stomatal apparatus development were observed depending on the light *** differences were not always reflected in the plantlet phenotype:e.g.,plantlets under blue and bright blue lights showed no differences in any characteristics except stomatal density and size of stomatal guard *** found no significant effect of blue light portion in the white lights and full spectrum on plantlet *** artificial solar spectrum sun box was the most suitable for potato micropropagation,because it supported the development of plantlets with good fitness,uniform internodes length,abundant roots and green mass accumulation.

关键词： Solanum tuberosum LED Artificial solar light Growth Micropropagation

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