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NEW Webinar 莴苣叶片光合效率和气体交换参数对温度和光强的响应
发布:汉莎科技集团有限公司浏览次数:69欢迎点击「」↑关注我们!未经允许,禁止任何网站及个人转载摘编
美国PP SYSTEMS公司将于美国东部时间2024年2月7日上午11点邀请美国乔治亚大学Suyun Nam为全球用户做题为“Photosynthetic efficiency and leaf gas exchange responses of lettuce to temperature and light intensities”的学术报告,有意者可访问美国PP SYSTEMS公司官网https://ppsystems.com/webinars/注册报名参加。
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. 2024-02-06相关仪器 -
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