Differing In Vitro Rooting and Flowering Responses of the Persian Violet to Low and High UV-C Irradiation

Phanomchai, Saowaros; Noichinda, Sompoch; Kachonpadungkitti, Yongsak; Bodhipadma, Kitti

doi:10.3390/plants10122671

Cited by 4 publications

(4 citation statements)

References 30 publications

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“…Radiation has considerable effects on the growth and formation of plant-based products. One of these is UV-C rays, which regulates an expression of genes related to second-generation metabolism, and cell formation (Phanomchai et al, 2021). Gamma rays are the second kind, and they hasten the growth process by rupturing the central lamella in the cell wall.…”

Section: Discussionmentioning

confidence: 99%

Enhancement Rutin Production from Capparis spinosa Plant by UV-C or Gamma Irradiation using In vitro Culture

Saleh,

M. Serag El-Din,

Youssef

2024

Egyptian Journal of Horticulture

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I N THE FRAMEWORK of climate changing adaptation and mitigation efforts, biotechnology can positively contribute to lowering the likelihood of environmental systems being affected by climate change's consequences. Caper bush is notoriously difficult to grow through traditional techniques, although despite the substantial social-economic and medical value of this species, its micropropagation has received very little study thus far. Therefore, in our study the internode segments were collected from the Southern of Sinai, and disinfected with various treatments of disinfectant agents and exposure times. Then the successive clean shootlets formed in the sterilization stage were separated and cultured on MS medium at various strengths of salts (Full, ¾, ½ and ¼ strength). The established micronodes were cut into small pieces, and re-cultured on MS medium supplemented with BAP or Kin each at 0.0, 1.0, 2.0 and 3.0 mg/l. The growing shootlets were removed individually and cultured on rooting MS medium supplemented with 0.0, 1.0, 2.0, 3.0 and 4.0 mg/l IBA or IAA for each, and finally the rooted explants were acclimatization in green house. UV-C rays exposure times (2, 4 and 6 hrs) or gamma radiation wave doses (0.5, 1.0 and 1.5 Gy) were applied. The successive rooted explants cultured on MS media containing IAA 4.0 mg/l (scored 41.66 % roots) were transferred on peat moss: vermiculite 2:1 which scored 41.66 % acclimatized plantlets. Also, gamma radiation at 1.0 Gy increased flavonoid and rutin content to 12.34 and 3.25 mg/g DW compared to 7.21 and 0.06 mg/g DW for control plants, respectively.

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Section: Discussionmentioning

confidence: 99%

Enhancement Rutin Production from Capparis spinosa Plant by UV-C or Gamma Irradiation using In vitro Culture

Saleh,

M. Serag El-Din,

Youssef

2024

Egyptian Journal of Horticulture

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“…However, effective micropropagation via microshoots and in vitro flower initiation has been achieved in the last six years. Recently, UV-C irradiation has been used to enhance root initiation and flower mutation in vitro [4,9,28,29].…”

Section: Discussionmentioning

confidence: 99%

“…In vitro clean-cultured plantlets of Persian violet were obtained from the previous work [4]. A shoot tip explant (approximately 10 mm long) was excised and placed on a semi-solid MS basal medium [22].…”

Section: Plant Materialsmentioning

confidence: 99%

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In Vitro Hypoxic Environment Enhances Volatile Compound Production in Persian Violet Flowers

Noichinda,

Bodhipadma

2023

Horticulturae

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Flowers of Persian violet (Exacum affine Balf. f. ex Regel) that are grown in nature typically produce a scent. However, whether Persian violet flowers developed inside sterile containers produce odors has yet to be studied. Therefore, this research aimed to study and compare the effects of ex vitro and in vitro environments on the volatile composition of Persian violet flowers. Persian violet flowers obtained from an in vitro culture and potted plants were analyzed for volatile constituents using gas chromatography–mass spectrometry (GC-MS). The main constituent of the volatile compounds in the Persian violet flowers grown in both conditions was alcohol, with 3-hexen-1-ol, which produces a grassy-green odor, being the dominant substance. In addition, the in vitro Persian violet flowers contained the highest amount of ethanol, which produces a wine aroma—followed by the terpene alcohol β-citronellol, which produces a rose scent. However, 3-carene (citrus odor), caryophyllene (floral odor), humulene (woody odor), and β-ionone (floral odor) were detected onlyin Persian violet flowers grown in natural conditions. Therefore, these results indicate that hypoxia possibly occurred during plantlet growth in the in vitro environment and caused some different volatile compound production from that in natural conditions.

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Effects of Brief UV-C Irradiation Treatments on Rooting Performance of Pelargonium × hortorum (L.H. Bailey) Stem Cuttings

et al. 2022

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Pelargonium × hortorum (L. H. Bailey), is a South African native ornamental plant with worldwide commercial recognition used in gardens and terraces. In the present study, we evaluated the effects of low doses of UV-C irradiation on rooting performance of P. × hortorum stem cuttings. We also tested the hypothesis that UV-C-induced ethylene production directly interacted with rooting process. Over a 40 d evaluation period, the ethylene production of the UV-C-treated stem cuttings was significantly increased. UV-C irradiation positively affected rooting performance. Rooting percentage was increased in the UV-C-irradiated stem cuttings by up to 17%, time to rooting was decreased by 15% (e.g., 5 d) and root weight increased by 17% compared to the nonirradiated controls. UV-C irradiation did not affect net CO2 assimilation (As), but it induced transpiration (E) on the 14, 20, 22 and 24 d of the evaluation period. Positive correlations were found between ethylene production and As, E, stomatal conductance (gs) and root weight, while a negative correlation was recorded between days to rooting and ethylene. UV-C hastened flower production of the cuttings, but it did not affect colour parameters. We suggest that low doses of UV-C may induce endogenous ethylene production, which at low levels, interact with other hormonal mechanisms to activate root development.

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Differing In Vitro Rooting and Flowering Responses of the Persian Violet to Low and High UV-C Irradiation

Cited by 4 publications

References 30 publications

Enhancement Rutin Production from Capparis spinosa Plant by UV-C or Gamma Irradiation using In vitro Culture

Enhancement Rutin Production from Capparis spinosa Plant by UV-C or Gamma Irradiation using In vitro Culture

In Vitro Hypoxic Environment Enhances Volatile Compound Production in Persian Violet Flowers

Effects of Brief UV-C Irradiation Treatments on Rooting Performance of Pelargonium × hortorum (L.H. Bailey) Stem Cuttings

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