Optimizing plant growth with novel high-power LED configurations

加拿大在设计和生产用于温室作物生产、室内园艺和植物科学研究的受控环境植物生长设施方面处于世界领先地位。随着廉价发光二极管(LED)的出现，更高效的照明选择正在变得可用，这为在人工照明下植物生长的照明策略提供了**革命性的潜力。在LED用于室内植物生长之前，必须克服许多挑战**。这些措施包括为快速光合作用提供足够的**光照，同时将热负荷和电力成本降至最低，并为植物的适当发展**优化光谱质量**。LED技术的一项重大发展是板上芯片(COB)固态设计，它增强了光子输出，降低了热负荷，并使光谱混合能够优化工厂**的发展。COB LED设计的领先生产商是安大略省沃恩市的Ursa Lighting。他们的**OPTILUX灯具具有一个由16个LED芯片组成的阵列，可以修改这些芯片以改变光谱混合，同时**保持光子输出。植物在其LED产品下的表现仍然不确定，需要**研究评估各种频谱选项的效率和室内应用的最佳强度**。在这份提案中，我们申请25,000美元，以启动与Ursa Lighting的研究合作，以**评估温室和**封闭仓库环境中生产的主要作物的生理和生长表现，并评估领先研究植物如拟南芥**的表现。研究结果将指导Ursa Lighting和园艺行业优化使用新的**COB LED系统，使他们能够在降低生产成本的同时提高植物的效率和产量。

Canada is a world leader in design and production of controlled-environment facilities for plant growth for**production of greenhouse crops, indoor horticulture, and research in the plant sciences. With the advent of**inexpensive light emitting diodes (LED), more efficient lighting options are becoming available, providing the**potential to revolutionize lighting strategies for plant growth under artificial illumination. Numerous challenges**must be overcome before LED's are optimally used for indoor plant growth. These include providing sufficient**light for rapid photosynthesis while minimizing heat load and electrical costs, and optimizing spectral quality**for proper plant development. A significant development in LED technology is the chip-on-board (COB), solid**state design which boosts photon output, reduces heat load, and enables spectral mixing to optimize plant**development. A leading producer of the COB LED design is URSA Lighting of Vaughan, Ontario. Their**OPTILUX luminaire lamp features an array of 16 LED chips that can be modified to vary spectral mix while**maintaining photon output. The performance of plants under their LED products remains uncertain, and**research is required to evaluate the efficacy of various spectrum options and the optimal intensity for indoor**applications. In this proposal, we request $25,000 to initiate a research collaboration with URSA Lighting to**evaluate the physiological and growth performance of leading crops produced in greenhouse and**enclosed-warehouse settings, and to evaluate performance with leading research plants such as Arabidopsis**thaliana. The results will guide URSA Lighting, and the horticultural industry, in optimizing the use of the new**COB LED systems, enabling them to improve efficiency and yield of plants while cutting producer costs.