Light emitting diode (LED) lights for the improvement of plant performance and production: A comprehensive review

Sena, Saikat; Kumari, Soni; Kumar, Vijay; Husen, Azamal

doi:10.1016/j.crbiot.2024.100184

Cited by 15 publications

(2 citation statements)

References 157 publications

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“…Light plays a vital role in shaping the growth and development of plants (Seyedi et al, 2024). Due to its higher luminous efficiency and lower power consumption as compared to conventional fluorescent lights, Light Emitting Diode (LED) lights are widely used in the cultivation of various plant species, particularly horticultural plants (Sena et al, 2024). Both red (R) and blue (B) wavelengths play significant roles in plant growth and development, primarily by influencing photosynthetic pigment absorption and carbon assimilation, while also impacting plant architecture and development .…”

Section: Original Research Articlementioning

confidence: 99%

Comparative analysis of red and green lettuce microgreens under different artificial LED lighting conditions

Sumi,

Thamid,

Rabbi

et al. 2024

Arch. Agric. Environ. Sci.

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This study investigated how LED light exposure influences the growth and nutrient content of two lettuce microgreens over 10 days in a randomized setup. Lettuce seeds underwent surface sterilization, germination in prepared soil, and exposure to different LED light conditions. Morphological parameters and pigment analysis, including stem length, petiole length, leaf area, plant height, root length, fresh weight, dry matter percentage, were evaluated. Green lettuce outperformed red lettuce in the studied morphological parameters, including stem length (2.74±0.22 cm), plant height (4.54±0.21 cm), and fresh weight (3.79±0.32 g/100 plants) under different LED. White light promoted taller plants with higher fresh weight (4.45±0.43 g/100plants), dry matter (4.84±0.38%), and leaf area (0.76±0.06 cm2) in both lettuce species. In contrast, red light reduced overall growth and development, as evidenced by a 54% decrease in leaf area, despite a 23.36% increase in plant height. Chlorophyll levels varied significantly among LED treatments, with white LED yielding the highest levels in both red and green lettuce. Highest chlorophyll a (146.37±6.27 µg/g FW), chlorophyll b (86.74±2.44 µg/g FW), total chlorophyll (233.11±8.69 µg/g FW) and relative chlorophyll (215.84±8.05 µg/cm²) content was found in green lettuce under white light condition. Similarly, green lettuce grown under white LED had the highest total carotenoid, β-carotene, and lutein. The study concludes that optimizing white LED illumination has the potential to improve the nutritional value of lettuce microgreens by enhancing growth and pigment content, particularly in green varieties. These findings emphasize the crucial role of LED light color in optimizing the nutritional quality of microgreens.

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Section: Original Research Articlementioning

confidence: 99%

Comparative analysis of red and green lettuce microgreens under different artificial LED lighting conditions

Sumi,

Thamid,

Rabbi

et al. 2024

Arch. Agric. Environ. Sci.

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“…Advances in in vitro conditions, are achieved by using light-emitting diodes (LEDs), which replaced cold or uorescent lamps, increasing energy e ciency and expanding the types and combinations of LED spectra according to each growing system or plant species cultivated (Sena et al 2024). Also, the use of LED systems emerges as an extremely promising strategy to modulate the physiological response of plants (Rabara et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

Development, chlorophyll content, and nutrient accumulation in shoots of Melaleuca alternifolia in vitro under different light wavelengths and benzylaminopurine (BAP)

Cardoso,

Gonzales-Alvarado

2024

Preprint

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In vitro growing of Melaleuca can contribute to the cloning of superior genotypes. Studies on factors affecting micropropagation are necessary, especially those using recent technologies, such as light-emitting diodes (LEDs). This study aimed at better understanding the effects of wavelengths on the development and physiology of Melaleuca cultivated in vitro, as well as the interaction of LED with N6-Benzylaminopurine (BAP), the main cytokinin used in micropropagation. The BAP and wavelengths, and their interaction, had a strong influence on most variables analyzed, altering the in vitro development and chlorophyll concentrations in the plants and changing the different variables of the culture medium, such as pH, EC, levels of Ca2+, Mg2+ and P in culture media and the nutrient accumulation in the shoots. The results demonstrated that the main effects of adding BAP in the in vitro cultivation of Melaleuca are the increase in the number of shoots, which resulted in a greater increase in fresh and dry mass, reduction in height and chlorophyll contents, complete inhibition of adventitious rooting, higher consumption of Mg and lower consumption of Ca and P from the culture media, higher contents of Fe and lower contents of P, S, Mn, Cu and B in the in vitro tissues.

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Lighting the way: exploring LED-driven enhancements in service tree (Sorbus domestica L.) micropropagation and phytochemical contents

Lupo,

Cristofori,

Silvestri

2024

Plant Cell Tiss Organ Cult

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Light emitting diode (LED) lights for the improvement of plant performance and production: A comprehensive review

Cited by 15 publications

References 157 publications

Comparative analysis of red and green lettuce microgreens under different artificial LED lighting conditions

Comparative analysis of red and green lettuce microgreens under different artificial LED lighting conditions

Development, chlorophyll content, and nutrient accumulation in shoots of Melaleuca alternifolia in vitro under different light wavelengths and benzylaminopurine (BAP)

Lighting the way: exploring LED-driven enhancements in service tree (Sorbus domestica L.) micropropagation and phytochemical contents

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