High Electrical Conductivity of Nutrient Solution and Application of Methyl Jasmonate Promote Phenylpropanoid Production in Hydroponically Grown Agastache rugosa

Kim, Sung Jin; Park, Jai Eok; Bok, Gwon Jeong; Kanth, Bashistha Kumar; Lam, Vu Phong; Park, Jong‐Seok

doi:10.12972/kjhst.20180082

Cited by 4 publications

(2 citation statements)

References 59 publications

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“…In response to these challenges, efforts have been made to cultivate A . rugosa in closed-plant factory systems to achieve consistent plant quality and to formulate standardized growth conditions [ 8 , 9 ]. Plant factories use multi-layer shelves to provide larger cultivation areas.…”

Section: Introductionmentioning

confidence: 99%

Optimization of salicylic acid concentrations for increasing antioxidant enzymes and bioactive compounds of Agastache rugosa in a plant factory

Phong Lam,

Loi,

Shin

et al. 2024

PLoS ONE

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Salicylic acid (SA) plays a crucial role as a hormone in plants and belongs to the group of phenolic compounds. Our objective was to determine the optimal concentration of SA for enhancing the production of bioactive compounds in Agastache rugosa plants while maintaining optimal plant growth. The plants underwent SA soaking treatments at different concentrations (i.e., 0, 100, 200, 400, 800, and 1600 μmol mol−1) for 10 min at 7 days after they were transplanted. We observed that elevated levels of SA at 800 and 1600 μmol mol−1 induced oxidative stress, leading to a significant reduction across many plant growth variables, including leaf length, width, number, area, shoot fresh weight (FW), stem FW and length, and whole plant dry weights (DW) compared with that in the control plants. Additionally, the treatment with 1600 μmol mol−1 SA resulted in the lowest values of flower branch number, FW and DW of flowers, and DW of leaf, stem, and root. Conversely, applying 400 μmol mol−1 SA resulted in the greatest increase of chlorophyll (Chl) a and b, total Chl, total flavonoid, total carotenoid, and SPAD values. The photosynthetic rate and stomatal conductance decreased with increased SA concentrations (i.e., 800 and 1600 μmol mol−1). Furthermore, the higher SA treatments (i.e., 400, 800, and 1600 μmol mol−1) enhanced the phenolic contents, and almost all SA treatments increased the antioxidant capacity. The rosmarinic acid content peaked under 200 μmol mol−1 SA treatment. However, under 400 μmol mol−1 SA, tilianin and acacetin contents reached their highest levels. These findings demonstrate that immersing the roots in 200 and 400 μmol mol−1 SA enhances the production of bioactive compounds in hydroponically cultivated A. rugosa without compromising plant growth. Overall, these findings provide valuable insights into the impact of SA on A. rugosa and its potential implications for medicinal plant cultivation and phytochemical production.

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Section: Introductionmentioning

confidence: 99%

Optimization of salicylic acid concentrations for increasing antioxidant enzymes and bioactive compounds of Agastache rugosa in a plant factory

Phong Lam,

Loi,

Shin

et al. 2024

PLoS ONE

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“…An outlook on morphometric specifications for Agastache species from the existing body of literature (Table 1), reveals that in many studies the measurements were performed on plants grown under controlled conditions and in most cases the plants were not observed until advanced stages of growth (Khorsandi et al, 2010;Do et al, 2020;Jahani et al, 2018;Kim et al, 2018;Lam, et al, 2020a;Lam et al, 2020b). At the same time, some studies focused only on some reproductive traits of plants (Jang et al, 2015;Rudik, 2016).…”

Section: Introduction Introduction Introduction Introductionmentioning

confidence: 99%

Modelling plant morphometric parameters as predictors for successful cultivation of some medicinal Agastache species

Vârban

Vidican

Ona

et al. 2022

Not Bot Horti Agrobo

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Researches carrying evidence for various uses and bioactive principles of Agastache spp. are justifying the upscaling into cultivation of these medicinal species. But, hindrances in their cultivation exist due to the insufficient documentation of their biology under field conditions. Because productivity of these medicinal species (herba) is ensured by the combined contribution of plant agronomic traits, these are related to the feasibility of the crop and therefore, can be used as predictors for successful cultivation. The aim of this study was to evaluate comparatively four valuable Agastache species (A. mexicana, A. scrophulariifolia, A. foeniculum) and one cultivar (A. rugosa ‘After Eight’), in order to identify the favourability for cultivation in local conditions (Romania). Based on the structural indicators of plant morphology (plant height, shoot number, leaf number, leaf length and width, inflorescence length, verticillaster number and flower number), registered over the span of two years, were explored relationships and similarities as well as their implications in previsioning the phenotypic potential. The results showed that studied species acclimatized successfully and all agronomic parameters studied increased in values in the second year. The average plant height in second year (2020) was 109.8 cm and average inflorescences length 9.6 cm. Stable positive correlations between inflorescence length with plant height and shoot number were observed, while differences among species became pronounced as plants become established, evidenced by clearer distinction in the second year. Phenotypic potential in the absence of inputs enables the feasibility assessment for medicinal plants introduced for cultivation in new regions.

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Minimizing plant height and optimizing bioactive compound accumulation of Agastache rugosa (Fisch. & C.A.Mey.) kuntze by spraying or soaking with diniconazole in a plant factory

et al. 2023

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High Electrical Conductivity of Nutrient Solution and Application of Methyl Jasmonate Promote Phenylpropanoid Production in Hydroponically Grown Agastache rugosa

Abstract: This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Cited by 4 publications

References 59 publications

Optimization of salicylic acid concentrations for increasing antioxidant enzymes and bioactive compounds of Agastache rugosa in a plant factory

Optimization of salicylic acid concentrations for increasing antioxidant enzymes and bioactive compounds of Agastache rugosa in a plant factory

Modelling plant morphometric parameters as predictors for successful cultivation of some medicinal Agastache species

Minimizing plant height and optimizing bioactive compound accumulation of Agastache rugosa (Fisch. & C.A.Mey.) kuntze by spraying or soaking with diniconazole in a plant factory

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