Using light to improve commercial value

Jones, Matthew A.

doi:10.1038/s41438-018-0049-7

Cited by 65 publications

(44 citation statements)

References 181 publications

(192 reference statements)

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“…The efficient application of light is essential for the growth of plants, all aspects of their development being sensitive to it. Horticulturists are studying the possibility of selective modification or activation of plants' existing features depending on the light, in order to increase the productivity and quality of the crops [23].…”

Section: Passive Control Methodsmentioning

confidence: 99%

Climate changes and methods to protect vegetable crops

et al. 2020

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In the context of the current climate change, it has become urgently necessary to develop adequate systems to protect horticultural crops. In Romania, the losses caused to these cultures by the extreme weather phenomena, as well as the lack of active intervention measures to combat or limit them, represent the main argument for addressing this field in particular. Vegetable crops are generally sensitive to extreme weather phenomena. In the climatic conditions in our country, the extreme phenomena occur between March and September, which coincides with the vegetation period of the crops. Of these, hail causes significant damage, and in some cases, at high intensity and long-lasting, can cause the calamity of vegetable crops. Another effect can arise in the drought years, when, in the absence of rainfall, the weeds enter into a fierce competition with vegetables, as regards the specific consumption of water and nutrients. The paper presents a review regarding the current methods of vegetable crops protection against the extreme weather phenomena and of weed control in these crops, grown in organic system. Combining the available solutions, adopting integrated strategies for non-chemical weed control can be an important premise for researchers and farmers to protect vegetable crops.

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Section: Passive Control Methodsmentioning

confidence: 99%

Climate changes and methods to protect vegetable crops

et al. 2020

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“…Green LEDs have also been used to manipulate plant architecture, with reductions in secondary metabolite accumulation also being reported under specific lighting conditions ( Wollaeger and Runkle, 2014 ; Carvalho and Folta, 2016 ; Hasan et al , 2017 ; Dou et al , 2019 ). Similarly, green light is sufficient to regulate flowering when utilized as part of a ‘night break’ lighting regime ( Jones, 2018 ; Meng and Runkle, 2019 ). Finally, green light irradiation has been reported to limit disease progression in oranges and strawberries ( Kudo et al , 2011 ; Alferez et al , 2012 ), although the mechanism underlying these improvements remains to be determined.…”

Section: Application Of Green Light In Agriculture and Horticulturementioning

confidence: 99%

Shades of green: untying the knots of green photoperception

Battle

Vegliani

Jones

2020

Journal of Experimental Botany

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Abstract The development of economical LED technology has enabled the application of different light qualities and quantities to control plant growth. Although we have a comprehensive understanding of plants’ perception of red and blue light, the lack of a dedicated green light sensor has frustrated our utilisation of intermediate wavelengths, with many contradictory reports in the literature. We discuss the contribution of red and blue photoreceptors to green light perception and highlight how green light can be used to improve crop quality. Importantly, our meta-analysis demonstrates that green light perception should instead be considered as a combination of distinct ‘green-’ and ‘yellow-’light induced responses. This distinction will enable clearer interpretation of plants’ behaviour in response to green light as we seek to optimise plant growth and nutritional quality in horticultural contexts.

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“…Blue and UV-A light triggers cryptochrome (320 – 500 nm) and phototropin (phot1 and pho2; 320–500 nm) function (Jones, 2018). These two photoreceptors regulate various physiological and developmental processes including chloroplast relocation, germination, elongation, and stomatal opening, which impacts water transpiration and CO 2 exchange (Cosgrove, 1981; Schwartz and Zeiger, 1984).…”

Section: Photomorphogenesis Plant Photoreceptors and Secondary Planmentioning

confidence: 99%

An Update on Plant Photobiology and Implications for Cannabis Production

Bilodeau

Rufyikiri

et al. 2019

Front. Plant Sci.

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This review presents recent developments in plant photobiology and lighting systems for horticultural crops, as well as potential applications for cannabis ( Cannabis sativa and C. indica ) plant production. The legal and commercial production of the cannabis plant is a relatively new, rapidly growing, and highly profitable industry in Europe and North America. However, more knowledge transfer from plant studies and horticultural communities to commercial cannabis plant growers is needed. Plant photosynthesis and photomorphogenesis are influenced by light wavelength, intensity, and photoperiod via plant photoreceptors that sense light and control plant growth. Further, light properties play a critical role in plant vegetative growth and reproductive (flowering) developmental stages, as well as in biomass, secondary metabolite synthesis, and accumulation. Advantages and disadvantages of widespread greenhouse lighting systems that use high pressure sodium lamps or light emitting diode (LED) lighting are known. Some artificial plant lighting practices will require improvements for cannabis production. By manipulating LED light spectra and stimulating specific plant photoreceptors, it may be possible to minimize operation costs while maximizing cannabis biomass and cannabinoid yield, including tetrahydrocannabinol (or Δ 9 -tetrahydrocannabinol) and cannabidiol for medicinal and recreational purposes. The basics of plant photobiology (photosynthesis and photomorphogenesis) and electrical lighting systems are discussed, with an emphasis on how the light spectrum and lighting strategies could influence cannabis production and secondary compound accumulation.

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Using light to improve commercial value

Cited by 65 publications

References 181 publications

Climate changes and methods to protect vegetable crops

Climate changes and methods to protect vegetable crops

Shades of green: untying the knots of green photoperception

An Update on Plant Photobiology and Implications for Cannabis Production

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