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現在位置首頁 >行業動態 >NEW Webinar 萵苣葉片光合效率和氣體交換參數對溫度和光強的響應

NEW Webinar 萵苣葉片光合效率和氣體交換參數對溫度和光強的響應

2024-02-07 09:43:00

美***PP SYSTEMS公司將于美***東部時間2024年2月7日上午11點邀請美***喬治亞大學Suyun Nam為全球用戶做題為“Photosynthetic efficiency and leaf gas exchange responses of lettuce to temperature and light intensities”的學術報告。

As well as light intensity, temperature conditions significantly affect photosynthetic efficiency, both conditions should be considered for optimal artificial lighting control. In this webinar, the effects of temperature and light intensity on photosynthetic efficiency and leaf gas exchange in lettuce plants were investigated. The photosynthetic acclimation process was also evaluated. Leaf gas exchange parameters and rapid A/Ci response curves with a high-speed CO2 ramping technique were measured using the CIRAS-3 Portable Photosynthesis System. The results indicate that plants use light less efficiently depending on the combinations of temperature and light intensity conditions, resulting in lower leaf gas exchange and biomass accumulation. Additionally, the increasing quantum yield of photosystem II (φPSII) over time under high light intensity suggests that plants can acclimate and improve their photosynthetic efficiency.

About Suyun Nam
Suyun Nam is a Ph.D. student and graduate research assistant at the University of Georgia. Her research focuses on optimizing supplemental LED light levels in greenhouse production. She has participated in developing an innovative lighting control system which is called the “Chlorophyll Fluorescence-based Biofeedback system”. The system can adjust artificial LED light intensity based on real-time plant physiological responses so that electrical lighting energy can be used more efficiently.

(文章來源于儀器網)

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