Data from the article "Supplemental LED Lighting Improves Fruit Growth and Yield of Tomato Grown under the Sub-Optimal Lighting Condition of a Building Integrated Rooftop Greenhouse (i-RTG)"

Appolloni, Elisa (2022) Data from the article "Supplemental LED Lighting Improves Fruit Growth and Yield of Tomato Grown under the Sub-Optimal Lighting Condition of a Building Integrated Rooftop Greenhouse (i-RTG)". University of Bologna. DOI 10.6092/unibo/amsacta/7601. [Dataset]
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[thumbnail of Data used in the article. Appolloni, E., Paucek, I., Pennisi, G., Stringari, G., Gabarrell Durany, X., Orsini, F., & Gianquinto, G. (2022). Supplemental LED lighting improves fruit growth and yield of tomato grown under the sub-optimal lighting condition] Spreadsheet (Data used in the article. Appolloni, E., Paucek, I., Pennisi, G., Stringari, G., Gabarrell Durany, X., Orsini, F., & Gianquinto, G. (2022). Supplemental LED lighting improves fruit growth and yield of tomato grown under the sub-optimal lighting condition)
License: Creative Commons: Attribution 4.0 (CC BY 4.0)

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Abstract

The metabolism of a building can be connected to a rooftop greenhouse, exchanging energy, water and CO2 flows, therefore reducing emissions and recycling cultivation inputs. However, integrating a rooftop greenhouse onto a building requires the application of stringent safety codes (e.g., fire, seismic codes), to strengthen and secure the structure with safety elements such as thick steel pillars or fireproof covering materials. These elements can shade the vegetation or reduce solar radiation entering the rooftop greenhouse. Nevertheless, application of additional LED light can help to overcome this constraint. The present study evaluated supplemental LED light application in an integrated rooftop greenhouse (i-RTG) at the ICTA-UAB research institute, located in Barcelona (Spain), for tomato cultivation (Solanum lycopersicum cv. Siranzo). The experiment explored the effects of three LED lighting treatments and a control cultivated under natural light only (CK). Applied treatments, added to natural sunlight, were: red and blue (RB), red and blue + far-red (FR) for the whole day, and red and blue + far-red at the end-of-day (EOD), each for 16 h d−1 (8 a.m.–12 a.m.) with an intensity of 170 µmol m−2 s−1. The results indicate that LED light increased the overall yield by 17% compared with CK plants. In particular, CK tomatoes were 9.3% lighter and 7.2% fewer as compared with tomatoes grown under LED treatments. Fruit ripening was also affected, with an increase of 35% red proximal fruit in LED-treated plants. In conclusion, LED light seems to positively affect the development and growth of tomatoes in building integrated agriculture in the Mediterranean area.

Abstract
Document type
Dataset
Creators
CreatorsAffiliationORCID
Appolloni, ElisaUniversità di Bologna0000-0001-9561-1557
Keywords
light emitting diode; rooftop greenhouse; building-integrated agriculture; Solanum lycopersicum; chilling injury
Subjects
DOI
Deposit date
02 Apr 2024 08:33
Last modified
02 Apr 2024 11:05
Project name
FoodE - Food Systems in European Cities
Funding program
EC - H2020
URI

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