Uptake of Zn as Influenced by B-vitamins, Hydrogen Ion Concentration and EDTA in Cyamopsis tetragonolobTaub and Brassica nigra

Gopala-Rao, P; Vijayamma, J.; Rangamannar, B.

doi:10.1093/oxfordjournals.aob.a087430

Cited by 1 publication

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“…al., 2011). Riboflavin-treated cluster bean and mustard plants showed significantly higher zinc uptake (Gopalarao et al, 1987). Additionally, under drought-free conditions, low and moderate (4 and 20µM) levels of riboflavin increased chlorophyll levels in tobacco plants (Deng et al, 2014).…”

Section: Discussionmentioning

confidence: 94%

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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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Section: Discussionmentioning

confidence: 94%

“…Riboflavin is one of the B-group vitamins that improved the uptake of zinc by clusterbean plants more than mustard plants (Gopalarao et al, 1987). Applying riboflavin at a moderate concentration (50mg L -l ) plus micronutrients effectively boosted the growth, oil yield, and crop productivity of flax cv.…”

Section: Introductionmentioning

confidence: 99%