The Influence of Light Quality and Intensity on the Development of Solanum tuberosum L. microplants

The paper studies the effect of monochromatic light of the red, green and blue spectrum ranges with different levels of irradiation intensity (30–1400 μmol/s⸳m2) on the development of potato microplants (Solanum tuberosumL., variety Red Scarlett). The highest values of plant height and weight parameters were observed in samples grown under red light, and the lowest in groups illuminated with blue light. Blue light limited stem growth and contributed more to the formation of large leaves. Morphometric parameters of plants grown under green light were higher than those grown under blue light, but lower than the values of samples from sections with red light. The following illumination intensities were optimal for the development of potato microplants: 500–600 μmol/s⸳m2under blue and green light, and 800–1000 μmol/s⸳m2under red light.