Blue Light Inhibits Stem Elongation of Chrysanthemum

Shimizu, Hiroshi; Ma, Zi-Yang; Douzono, Mitsuru; Tazawa, Shinji; Runkle, Erik S.; Heins, Royal D.

doi:10.17660/actahortic.2006.711.50

Cited by 24 publications

(11 citation statements)

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“…An inhibitory eff ect on elongation occurred not only during the irradiation with blue light, but also during a period of time following the blue light exposure. Th ese results are consistent with the results reported with chrysanthemum (Shimizu et al 2006). In our own experiments, blue light exerted a stronger impact on the inhibition of plant leaf area than on their height.…”

Section: Discussionsupporting

confidence: 92%

Effect of short-term exposure to red and blue light on dill plants growth

Frąszczak

2013

Hortic. Sci.

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Eff ect of the end-of-day and the end-of-night red and blue light in dill growth was investigated. Ambrozja dill (Anethum graveolens L.) cvs were grown in vegetation chambers in completely controlled conditions exposed to white diode light. Red and blue light was employed for 30 min before the initiation or after the end of the lighting period. Th e values of plant fresh mass, area and height parameters were the highest for plants treated with red light at the end of night. Th e application of red light at the end of day exerted a similar eff ect on plants as the exposure of plants to blue light at the end of night. Plants treated with blue light at the end of the lighting period were characterised by the poorest growth rate. Plants additionally lighted with blue light were found to have both distinctly smaller mass as well as area in comparison with plants exposed to red light. Both methods are useful to control the plants growth depending on the phase of plant development and growers' requirements.

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Section: Discussionsupporting

confidence: 92%

Effect of short-term exposure to red and blue light on dill plants growth

Frąszczak

2013

Hortic. Sci.

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“…Blue light is known to inhibit stem elongation in many species; for instance, stem elongation of Chrysanthemum, Stevia rebaudiana, and Tripterospermum decreases as the blue light proportion increases (Heung et al, 2006;Yoneda et al, 2017;Zhiyu et al, 2007). This blue light is suggested to be an alternative for growth-retarding chemicals (Shimizu et al, 2006). Referring to the previous investigations, Poinsettias grown under red:blue light at 4:1 were 20% to 34% shorter than those grown under HPS (5% blue) lamps (Islam et al, 2012).…”

Section: Impact Of Light Quality On Plantsmentioning

confidence: 99%

Application of Light-emitting Diodes and the Effect of Light Quality on Horticultural Crops: A Review

Zheng¹,

Hua-ming²,

Song³

2019

horts

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Plant growth and development relies on light and is influenced by light. Light-emitting diode (LED) technology is nowadays providing the possibility for regulating plant growth and development by modifying light spectral composition. Many researches have been carried out to figure out the effects of light quality on various aspects of plant behaviors, including plant morphology, physiology, and biochemistry. In this review, we summarized those research outputs, in order to give suggestion of light quality application for both research and production purposes, in the field of productional yield, productional quality for horticultural plants including vegetables or ornamentals in difference with cultivation goals.

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“…Pesquisando alternativas para inibidores de crescimento em crisântemos, Shimizu et al (2006) observaram que a utilização de diodos emissores de luz azul (LEDs) no lugar de lâmpadas fluorescentes, as quais possuem distribuição de luz espectral na faixa do visível (380 à 780 nm), promoveu a inibição do elongamento dos entrenós podendo, assim, reduzir a aplicação de produtos químicos para o retardo do crescimento do vegetal. Pérez et al (2006), pesquisando a espécie Kalanchoe blossfeldiana cv, verificaram que diferentes comprimentos de onda interferem no surgimento de botões florais e no crescimento do vegetal.…”

Section: Introductionunclassified

“…A energia elétrica é um insumo importantíssimo para o desenvolvimento das civilizações modernas, estando presente em quase todas as atividades do processo produtivo (Medeiros et al, 2003). Teixeira et al (2005), afirma que a industrialização e o crescimento econômico, associados às crescentes inovações tecnológicas dos últimos anos, vêm causando aumento substancial na demanda de energia elétrica. O uso racional de energia elétrica constitui uma fonte virtual de energia, que deve ser mais bem explorada, com vantagens econômicas e ambientais (Nogueira, 2007).…”

Section: Introductionunclassified

Diferentes tecnologias de iluminação para produção de mudas de crisântemo

Eduardo

Rossi

2010

Rev. bras. eng. agríc. ambient.

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A iluminação artificial usada para indução do efeito do fotoperíodo em mudas de crisântemos implica no consumo e no uso racional ou não da energia elétrica. Neste contexto, realizou-se experimento de pesquisa cujo objetivo foi analisar o uso da tecnologia de iluminação do tipo alta intensidade de descarga (HID - high intensity discharge) em substituição à de filamento incandescente na produção de mudas de crisântemos. O principal parâmetro de comparação de desempenho entre as variedades cultivadas foi a presença de botão floral, pois está diretamente ligada ao controle fotoperiódico. Os parâmetros de avaliação do uso de energia elétrica foram: consumo, demanda, fator de potência e o consumo específico. Os resultados da análise estatística demonstram que não houve aumento no número de botões florais com o emprego de lâmpadas de alta intensidade de descarga. A lâmpada de descarga fluorescente compacta integrada amarela de 23 W apresentou a menor demanda máxima e redução média do consumo de energia, da ordem de 75%, quando comparada com a de filamento incandescente de 100 W.

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Blue Light Inhibits Stem Elongation of Chrysanthemum

Cited by 24 publications

References 0 publications

Effect of short-term exposure to red and blue light on dill plants growth

Effect of short-term exposure to red and blue light on dill plants growth

Application of Light-emitting Diodes and the Effect of Light Quality on Horticultural Crops: A Review

Diferentes tecnologias de iluminação para produção de mudas de crisântemo

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