Influence of different light sources on the production process of tomato in intensive photoculture
https://doi.org/10.18619/2072-9146-2021-4-65-70
Abstract
Introduction. The development of ideas about the influence of the light environment - the radiation spectrum, intensity and duration of exposure, on the physiology of plants, serves as the basis for the creation of effective light sources for protected ground.
Purpose. Comparative test of the influence of a light environment with different spectral composition on the productivity and quality of tomatoes in conditions of intensive photo culture.
Methods. Investigations were made under controlled conditions of intensive photoculture when growing dwarf tomatoes of the variety Natasha selections of the “Federal Scientific Vegetable Center” on thin-layer soil analogs with the supply of a nutrient solution to the plant roots through a slit capillary in vegetative light installations developed at the ARI. The light sources were high-pressure sodium lamps and LED lamps SD1, SD2, and SD3 with different emission spectra. Results. Tomatoes of the Natasha variety, illuminated during development with HPS lamps, formed almost the same yield with an average fruit weight of 42.5 kg/m2 per layer per year. Natasha tomato grown under LED lamps showed a tendency to lower productivity by 29% under SD1 and by 8% under SD2 and higher by 19% under underSD3 compared to that under HPS lamps. A comparative assessment of the biochemical composition of tomato fruits indicates their high quality under all tested light sources.
Conclusion. Cultivation of dwarf tomato varieties on thin-layer soil analogs showed the best results in terms of productivity with good quality plant products under LED lamps SD3 with a radiation spectrum close to sunlight.
About the Authors
T. E. KuleshovaRussian Federation
Tatyana E. Kuleshova - Cand. Sci. (Phys.-Math.), Researcher ARI
14, Grazhdanskiy pr., St.-Petersburg, 195220
O. R. Udalova
Russian Federation
Olga R. Udalova - Cand. Sci. (Biology), Leading Researcher ARI
14, Grazhdanskiy pr., St.-Petersburg, 195220
I. T. Balashova
Russian Federation
Irina T. Balashova - Dr. Sci. (Biology), chief scientific officer
14, Selectsionnaya str., VNIISSOK, Odintsovo district, Moscow region, Russia, 143072
L. M. Anikina
Russian Federation
Lyudmila M. Anikina - Cand. Sci. (Biology), Leading Engineer ARI
14, Selectsionnaya str., VNIISSOK, Odintsovo district, Moscow region, Russia, 143072
P. Yu. Kononchuk
Russian Federation
Pavel Yu. Kononchuk - leading researcher ARI
14, Selectsionnaya str., VNIISSOK, Odintsovo district, Moscow region, Russia, 143072
G. V. Mirskaya
Russian Federation
Galina V. Mirskaya - Cand. Sci. (Biology), leading researcher ARI
14, Selectsionnaya str., VNIISSOK, Odintsovo district, Moscow region, Russia, 143072
G. G. Panova
Russian Federation
Gayane G. Panova - Cand. Sci. (Biology), Leading Researcher ARI
14, Selectsionnaya str., VNIISSOK, Odintsovo district, Moscow region, Russia, 143072
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Review
For citations:
Kuleshova T.E., Udalova O.R., Balashova I.T., Anikina L.M., Kononchuk P.Yu., Mirskaya G.V., Panova G.G. Influence of different light sources on the production process of tomato in intensive photoculture. Vegetable crops of Russia. 2021;(4):65-70. (In Russ.) https://doi.org/10.18619/2072-9146-2021-4-65-70