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Topic

Technologies and technical equipment for agriculture and food industry

Volume

Volume 71 / No. 3 / 2023

Pages : 558-565

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EVALUATION OF THE THERMAL BEHAVIOR OF PLANTS IN THE MICROGREENHOUSE WITH MICROBOLOMETRIC IMAGE SENSORS

EVALUAREA COMPORTARII TERMICE A PLANTELOR IN MICROSERA CU SENZORI DE IMAGINE MICROBOLOMETRICI

DOI : https://doi.org/10.35633/inmateh-71-48

Authors

(*) George IPATE

National University of Science and Technology “POLITEHNICA” of Bucharest

Constantin Daniel COTICI

National University of Science and Technology “POLITEHNICA” of Bucharest

Alina-Daiana IONESCU

National University of Science and Technology “POLITEHNICA” of Bucharest

Viorel FATU

National University of Science and Technology “POLITEHNICA” of Bucharest

Iuliana GAGEANU

INMA Bucharest

Dan CUJBESCU

INMA Bucharest

Ana Maria NICOLAU

National University of Science and Technology “POLITEHNICA” of Bucharest

(*) Corresponding authors:

[email protected] |

George IPATE

Abstract

In this research, the data from temperature measurements obtained with the InfiRay T2S+ device, an infrared thermal imaging camera have been checked to monitor plant thermal behaviour. Plant leaf temperature is a parameter frequently used as representative for stomatal conductance, as stomatal confinement results in attenuated transpiration, and consequently leads to increased plant temperature. Also, to identify the stress of the plant, indices of thermal and modified stress have been calculated. The results obtained show that the Kalanchoe blossfeldiana species chosen for this study, when exposed to extreme values of temperature or water requirements, presented significant changes in the infrared electromagnetic wave spectra.

Abstract in Romanian

În această cercetare, au fost examinate datele din măsurătorile de temperatură obținute cu dispozitivul InfRay TS2+, o cameră de imagine termică în infraroșu pentru a monitoriza comportamentul termic al plantei. Temperatura frunzelor plantei este un parametru folosit în mod obișnuit ca identificator pentru conductanța stomatelor, deoarece închiderea stomatelor conduce la o transpirație redusă, care, la rândul său, conduce la o creștere a temperaturii plantei. De asemenea, pentru a identifica stresul plantei, au fost calculaţi indicii de stres termic modificat. Rezultatele obținute arată că specia Kalanchoe blossfeldiana aleasă pentru acest studiu, atunci când a fost expusă la valori extreme ale cerințelor de temperatură sau de apă, a prezentat modificări semnificative în spectrele undelor electromagnetice infraroșii.

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