Light quality affects growth and development of in vitro plantlet of Vanilla planifolia Jacks

Ramírez-Mosqueda, Marco A.; Iglesias-Andreu, Lourdes Georgina; Luna-Sánchez, I.J.

doi:10.1016/j.sajb.2017.01.205

Cited by 30 publications

(11 citation statements)

References 22 publications

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“…Miler et al [ 75 ] reported the ability to use several light-emitting diodes (LEDs) for the in vitro regeneration of some ornamental plant species such as Chrysanthemum × grandiflorum , Gerbera jamesonii , Heuchera × hybrida , Ficus benjamina , and Lamprocapnos spectabilis . Ramirez-Mosqueda et al [ 76 ] tested five types of wavelengths in plant regeneration in vitro. They concluded that blue light (460 nm) caused longitudinal growth of regenerated shoots and improved chlorophyll synthesis in the explants.…”

Section: Application Of Wide-spectrum Light-emitting Diodes In Micmentioning

confidence: 99%

“…LED lighting has been shown to be a suitable option for in vitro culture of various plant species. In addition to low costs, it provides better growth and physiological development for plantlets [ 76 ]. The efficacy of phytohormones such as their regulation and metabolism as well as adjustment of endogenous hormone levels is also affected by light [ 170 , 179 ].…”

Section: Physiological Responses Of Plant Regenerationmentioning

confidence: 99%

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Cellular, Molecular, and Physiological Aspects of In Vitro Plant Regeneration

Bidabadi

Jain

2020

Plants

126

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Plants generally have the highest regenerative ability because they show a high degree of developmental plasticity. Although the basic principles of plant regeneration date back many years, understanding the cellular, molecular, and physiological mechanisms based on these principles is currently in progress. In addition to the significant effects of some factors such as medium components, phytohormones, explant type, and light on the regeneration ability of an explant, recent reports evidence the involvement of molecular signals in organogenesis and embryogenesis responses to explant wounding, induced plant cell death, and phytohormones interaction. However, some cellular behaviors such as the occurrence of somaclonal variations and abnormalities during the in vitro plant regeneration process may be associated with adverse effects on the efficacy of plant regeneration. A review of past studies suggests that, in some cases, regeneration in plants involves the reprogramming of distinct somatic cells, while in others, it is induced by the activation of relatively undifferentiated cells in somatic tissues. However, this review covers the most important factors involved in the process of plant regeneration and discusses the mechanisms by which plants monitor this process.

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Section: Application Of Wide-spectrum Light-emitting Diodes In Micmentioning

confidence: 99%

Section: Physiological Responses Of Plant Regenerationmentioning

confidence: 99%

Cellular, Molecular, and Physiological Aspects of In Vitro Plant Regeneration

Bidabadi

Jain

2020

Plants

126

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“…Previous studies have shown that monochromatic light can promote root growth and physiological metabolism, and it varies with plant species. For example, red LED blocks root growth of Doritaenopsis plants 10 , while blue LED promotes root formation of Chrysanthemum plants 11 and increases the rooting rate and root number of Achillea millefolium culture 12 and Vanilla planifolia plantlets 13 . In physiological aspect, red light can improve the antioxidant activity of pea seedlings 14 , Dendrobium officinale seedlings 15 , and Eleutherococcus senticosus somatic embryos 16 , and the response of different enzymes to different light quality is different.…”

Section: Introductionmentioning

confidence: 99%

Effects of Composite LED Light on Root Growth and Antioxidant Capacity of Cunninghamia lanceolata Tissue Culture Seedlings

Liang

Yang

2019

Sci Rep

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We used the 12 th generation of the Cunninghamia (C.) lanceolata tissue culture seedlings, and white light emitting diode (LED) light as control (CK). We applied five composite LED light treatments, red-blue 4:1, 8:1 (4R1B and 8R1B), red-blue-purple 8:1:1 (8R1B1P), and red-blue-purple-green 6:1:1:1, 8:1:1:1 (6R1B1P1G and 8R1B1P1G), to study the effects of light quality on root growth characteristics and antioxidant capacity of C. lanceolata tissue culture seedlings. The results showed that: (1) rooting rate, average root number, root length, root surface area, and root activity were higher with 6R1B1P1G and 8R1B1P1G treatments compared to 4R1B, 8R1B, 8R1B1P and CK treatments; and the root growth parameters under the 8R1B1P1G treatment were as high as 95.50% for rooting rate, 4.63 per plant of the average number of root, 5.95 cm root length, 1.92 cm 2 surface area, and 145.56 ng/(g·h) root activity, respectively. (2) The composite lights of 4R1B, 8R1B, 8R1B1P, 6R1B1P1G, and 8R1B1P1G are beneficial for the accumulation of soluble sugar content (SSC) and soluble protein content (SPC), but not conducive for the increase of free proline content (FPC); the plants under 6R1B1P1G and 8R1B1P1G treatments had higher superoxide dismutase (SOD), peroxidase (POD), catalase (CAT), ascorbate peroxidase (APX) activity and lower malondialdehyde (MDA), polyphenol oxidase (PPO) activity. (3) Redundancy analysis showed that POD activity positively correlated with root activity; SPC, SOD and CAT activities positively correlated with root growth parameters; while SSC, MDA content, APX and PPO activities negatively correlated with root growth parameters. These results suggest that the responses of root growth and antioxidant capacity of the C. lanceolata tissue culture seedlings to different light qualities vary. The relationship between root growth parameters and antioxidant capacity was closely related. Red-blue-purple-green was the most suitable composite light quality for root growth of C. lanceolata tissue culture seedlings, and 8:1:1:1 was the optimal ratio, under which the rooting rate, root activity and root growth of tissue culture seedlings peaked.

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“…Since tissue culture material continuously grows and undergoes ageing, plants regularly need to be trimmed, divided in separate propagules and transferred to new culture media. Explant survival and vitality of in vitro plants depend on media composition, temperature and light intensity and further factors such as light spectrum, vessel type and size, number of explants and gas exchange rate [43][44][45], all of which can affect the growth of the plants.…”

Section: Setting Up In Vitro Collectionsmentioning

confidence: 99%

Challenges and Prospects for the Conservation of Crop Genetic Resources in Field Genebanks, in In Vitro Collections and/or in Liquid Nitrogen

Panis

Nagel

houwe

2020

Plants

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The conservation of crop genetic resources, including their wild relatives, is of utmost importance for the future of mankind. Most crops produce orthodox seeds and can, therefore, be stored in seed genebanks. However, this is not an option for crops and species that produce recalcitrant (non-storable) seeds such as cacao, coffee and avocado, for crops that do not produce seeds at all; therefore, they are inevitably vegetatively propagated such as bananas, or crops that are predominantly clonally propagated as their seeds are not true to type, such as potato, cassava and many fruit trees. Field, in vitro and cryopreserved collections provide an alternative in such cases. In this paper, an overview is given on how to manage and setup a field, in vitro and cryopreserved collections, as well as advantages and associated problems taking into account the practical, financial and safety issues in the long-term. In addition, the need for identification of unique accessions and elimination of duplicates is discussed. The different conservation methods are illustrated with practical examples and experiences from national and international genebanks. Finally, the importance of establishing safe and long-term conservation methods and associated backup possibilities is highlighted in the frame of the global COVID-19 pandemic.

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Light quality affects growth and development of in vitro plantlet of Vanilla planifolia Jacks

Cited by 30 publications

References 22 publications

Cellular, Molecular, and Physiological Aspects of In Vitro Plant Regeneration

Cellular, Molecular, and Physiological Aspects of In Vitro Plant Regeneration

Effects of Composite LED Light on Root Growth and Antioxidant Capacity of Cunninghamia lanceolata Tissue Culture Seedlings

Challenges and Prospects for the Conservation of Crop Genetic Resources in Field Genebanks, in In Vitro Collections and/or in Liquid Nitrogen

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