Iron Supplement-Enhanced Growth and Development of Hydrangea macrophylla In Vitro under Normal and High pH

Xiao, Jie; Guo, Ge; Jeong, Byoung Ryong

doi:10.3390/cells10113151

Cited by 6 publications

(3 citation statements)

References 91 publications

(101 reference statements)

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“…However, supplementing a relatively higher concentration of Fe or Mo in ionic form may induce opposite effects. 53 It is important to note that the iron uptake in Cicer arietinum is achieved via a nanoparticulate treatment (Fe-CNF/Mo-MOF) in our study, which may provide a long-lasting effect and reduce the potentially toxic effects of their ionic forms if applied in a similar dose range. Fresh biomass of the plants, including root and shoot lengths, significantly ( p < 0.001) increased after 30 days of treatment with Mo-MOF or Fe-CNF/Mo-MOF with respect to the control (Fig.…”

Section: Resultsmentioning

confidence: 86%

Fe–carbon nanofiber-modified Mo-MOF for the controlled release and translocation of micronutrients in plants

Pandey,

Omar,

Verma

et al. 2024

Environ. Sci.: Nano

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Section: Resultsmentioning

confidence: 86%

Fe–carbon nanofiber-modified Mo-MOF for the controlled release and translocation of micronutrients in plants

Pandey,

Omar,

Verma

et al. 2024

Environ. Sci.: Nano

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“…In this study, regarding the percent change in the leaf nutrient content of riboflavin-treated rosemary plants, Fe recorded the highest % increase (123.78%) compared to the untreated plants. The content of leaf Fe is positively correlated with chlorophyll content (Xiao et al, 2021). Previous studies have reported that iron (Fe) deficiency inhibits chlorophyll biosynthesis and the development of chloroplasts, leading to chlorosis in plants (Guo et al, 2020;Li et al, 2021).…”

Section: Discussionmentioning

confidence: 99%

Response of Rosemary (Rosmarinus officinalis) Plants to Riboflavin Foliar Application: Improvement in Growth, Nutrient Content, Antioxidant Enzyme System, Essential Oil Production, and Its Antioxidant Potential

Aly,

Gharib,

Ahmed

2023

Egypt. J. Bot.

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R OSEMARY (Rosmarinus officinalis) is a valuable aromatic herb native to the Mediterranean region. This study investigates the effects of foliar application of riboflavin on rosemary plants during two seasons in 2021. The first cutting season was in summer (August), and the second was in winter (December). Foliar application of riboflavin at different concentrations (25, 50, and 100mg L -l ) increased all growth attributes at two cuts by increasing nutrients, photosynthetic pigments, and photosynthetic activity. Riboflavin at 50mg L -l gave the highest mean values of all the measured growth attributes at both the first and second cuts. It also increased total photosynthetic pigments by 38%. Moreover, nutritional value, essential oil production, and overall antioxidant properties were positively enhanced in riboflavin-treated plants. Additionally, it showed the highest values of both element content and uptake. It increased oil yield (L fed -l ) by 116% and 160% at the 1st and 2nd cuts, respectively, with the highest antioxidant potential (IC 50 = 9.93µL mL -l ) at the second cut. Furthermore, riboflavin at 50 mg L -l enhanced the activities of antioxidant enzymes catalase and peroxidase. In contrast, the activities of oxidative enzymes including ascorbic acid oxidase, indole-3-acetic acid oxidase, polyphenol oxidase, and ribonuclease decreased. Furthermore, plants treated with 50mg L -l riboflavin increased the RNA and DNA content. These findings confirm the efficiency of the use of riboflavin at 50mg L -l to improve the growth of rosemary plants with high nutritional content and enhance the antioxidant activity of their essential oil.

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“…Moreover, petunia is also very sensitive to the surrounding NH 4 + and NO 3 − [ 40 , 41 ]. In some previous studies, the effects of the Fe source and pH on the growth of shrub ornamental plants Sorbus commixta [ 42 ] and Hydrangea macrophylla [ 43 ], as well as the regulation of Fe-handling gene expressions, were studied. Moreover, in previous studies, more attention was paid to the effects of the NH 4 + and NO 3 − supply on the Fe absorption of plants, while studies seldom discussed the effects of different Fe sources and pH on plant ammonium and nitrate contents.…”

Section: Introductionmentioning

confidence: 99%

Iron Source and Medium pH Affect Nutrient Uptake and Pigment Content in Petunia hybrida ‘Madness Red’ Cultured In Vitro

Guo

Xiao

Jeong

2022

IJMS

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Deficiency or excess of iron (Fe) and improper medium pH will inhibit the growth and development of plants, reduce the transfer and utilization of energy from the root to the leaf, and affect the utilization efficiency of inorganic nutrients. The most common symptom of Fe deficiency in plants is chlorosis of the young leaves. In this study, the effects of the iron source, in combination with the medium pH, on plant growth and development, plant pigment synthesis, and nutrient uptake in a model plant Petunia hybrida cultured in vitro were investigated. Iron sulfate (FeSO4·7H2O) or iron chelated with ethylenediaminetetraacetic acid (Fe-EDTA) were supplemented to the MNS (a multipurpose nutrient solution) medium at a concentration of 2.78 mg·L−1 Fe, and the treatment without any Fe was used as the control. The pH of the agar-solidified medium was adjusted to either 4.70, 5.70, or 6.70 before autoclaving. The experiment was carried out in an environmentally controlled culture room with a temperature of 24 °C with 100 µmol·m−2·s−1 photosynthetic photon flux density (PPFD) supplied by white light emitting diodes (LEDs) during a photoperiod of 16 h a day, 18 °C for 8 h a day in the dark, and 70% relative humidity. Regardless of the Fe source including the control, the greatest number of leaves was observed at pH 4.70. However, the greatest lengths of the leaf and root were observed in the treatment with Fe-EDTA combined with pH 5.70. The contents of the chlorophyll, carotenoid, and anthocyanin decreased with increasing medium pH, and contents of these plant pigments were positively correlated with the leaf color. The highest soluble protein content and activities of APX and CAT were observed in the Fe-EDTA under pH 5.70. However, the GPX activity was the highest in the control under pH 4.70. In addition, the highest contents of ammonium (NH4+) and nitrate (NO3−) were measured in the FeSO4-4.7 and EDTA-5.7, respectively. More than that, the treatment of Fe-EDTA combined with pH 5.70 (EDTA-5.7) enhanced nutrient absorption, as proven by the highest tissue contents of P, K, Ca, Mg, Fe, and Mn. The genes’ ferric reduction oxidase 1 and 8 (PhFRO1 and PhFRO8), iron-regulated transporter 1 (PhIRT1), nitrate transporter 2.5 (PhNRT2.5), and deoxyhypusine synthase (PhDHS) were expressed at the highest levels in this treatment as well. In the treatment of EDTA-5.7, the reduction and transport of chelated iron in P. hybrida leaves were enhanced, which also affected the transport of nitrate and catalyzed chlorophyll level in leaves. In conclusion, when the medium pH was adjusted to 5.70, supplementation of chelated Fe-EDTA was more conducive to promoting the growth and development of, and absorption of mineral nutrients by, the plant and the expression of related genes in the leaves.

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Iron Supplement-Enhanced Growth and Development of Hydrangea macrophylla In Vitro under Normal and High pH

Cited by 6 publications

References 91 publications

Fe–carbon nanofiber-modified Mo-MOF for the controlled release and translocation of micronutrients in plants

Fe–carbon nanofiber-modified Mo-MOF for the controlled release and translocation of micronutrients in plants

Response of Rosemary (Rosmarinus officinalis) Plants to Riboflavin Foliar Application: Improvement in Growth, Nutrient Content, Antioxidant Enzyme System, Essential Oil Production, and Its Antioxidant Potential

Iron Source and Medium pH Affect Nutrient Uptake and Pigment Content in Petunia hybrida ‘Madness Red’ Cultured In Vitro

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