Effect of Shading Types and Duration on Alleviation of High Temperature Stress in Cnidium officinale Makino

Nam, Hyo Hoon; Seo, Young Jin; Jang, Won Cheol

doi:10.7783/kjmcs.2020.28.2.111

Cited by 6 publications

(1 citation statement)

References 9 publications

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“…One method is to regulate radiation through shading. It has been reported that the growth of sedum (Sedum sarmentosum) (Lee et al, 2007), hooker chives (Allium hookeri) (Kim et al, 2017), and Cnidium officinale (Nam et al, 2020) under the shading conditions were greater than that under non-shading conditions in the open field. In addition, watermelon (Citrullus vulgaris) (Seong et al, 2014) and paprika (Capsicum annuum var.…”

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Determination of Optimal Growing Degree Days and Cultivars of Kimchi Cabbage for Growth and Yield during Spring Cultivation under Shading Conditions

Sim,

Jo,

Lee

et al. 2021

HST

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This study determined the optimal growing degree days (GDD) and cultivars of Kimchi cabbage (Brassica rapa L. ssp. pekinensis) for growth and yield during spring cultivation under shading condition. There were nine treatments, and the experiments were conducted with three GDD levels (899, 924, and 961) and three cultivars ('Chungwang', 'Cheongna', and 'Cheongok') under shading conditions. The process-based model of Kimchi cabbage was applied for growth and yield prediction using meteorological data regarding light, temperature, wind, precipitation, and humidity in several regions. The number of leaves of 'Chungwang' Kimchi cabbage was greater than that of 'Cheongna' and 'Choengok' at all planting times. Most of the growth parameters were highest in the delayed transplanting treatment than in the other transplanting times. 'Chungwang' Kimchi cabbage was less sensitive to high temperature during spring cultivation than the other cultivars. GDD 924 was the most optimal time to harvest under the shading condition. GDD 750-870 is considered an appropriate harvest time in the primary production regions during the spring cultivation season. If shading is performed in these regions, constant production may be possible, thus, alleviating damage from high temperature.

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confidence: 99%

Determination of Optimal Growing Degree Days and Cultivars of Kimchi Cabbage for Growth and Yield during Spring Cultivation under Shading Conditions

Sim,

Jo,

Lee

et al. 2021

HST

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De novo transcriptome assembly and gene expression analysis of Cnidium offinale under high- temperature conditions

Shin,

Han,

Seong

et al. 2024

Preprint

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Background The medicinal plant Cnidium officinale (CO) is widespread in Northeast Asia and vulnerable to heat. Therefore, its habitat and cultivation area move to a cool environment, such as the high-altitude northern area. Results Due to absent genome sequencing data, we performed de novo transcriptome assembly and compared it with an existing sequencing database. About 90% of CO genes were similar to Daucus carota. We found 16 novel and 24 nearly identical or homologous miRNAs with reported miRNAs. We tried to comprehensively understand the physiological response of CO to ambient and stressful high temperatures compared with differentially expressed genes (DEG) from different temperature treatment plots of temperature gradient tunnel (TGT) and growth chamber (GC). We classified DEGs into three categories: newly appeared or disappeared genes, the genes that showed significant fold changes, and the genes that showed significant count rather than fold changes. Afterward, we mapped DEGs among the metabolic pathways to determine which pathways respond to ambient and stressful high temperatures. CO grown in higher ambient temperature conditions showed slightly upregulated membrane fluidity-related pathways, glutathione, and overall energy metabolism (e.g., photosynthesis, carbon fixation, and oxidative phosphorylation). Under heat stress, CO showed a strong response in various metabolic pathways, with most being downregulated except for several defense-related pathways and respiration, including oxidative phosphorylation and cutin, suberin, and wax biosynthesis. Recently, transcriptome analysis has demonstrated its role in understanding the overall response of plant samples under a specific condition; however, in most cases, the data after analysis are complicated and challenging to discover, although some pinpoint-level understanding might be advantageous. Conclusion This study demonstrated that a proper clustering of genes based on expression level and fold changes in two different experimental conditions and pathway mapping may be useful for reaching a comprehensive conclusion.

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Response of Cnidium officinale Makino Plants to Heat Stress and Selection of Superior Clones Using Morphological and Molecular Analysis

Kim

Han

Murthy

et al. 2022

Plants

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Cnidium officinale is a medicinal plant cultivated for its rhizomes, which are used in Chinese, Japanese, and Korean traditional medicine. This medicinal crop is highly susceptible to heat stress and cannot be cultivated in regions of higher temperatures. In the present study, ten clones from Korea (clones 1, 2, 5, 6, 8, 11, 14, 15, 22, and 26) were evaluated for their heat tolerance in vitro at 25, 30, 32.5, and 35 °C, and growth characteristics including plant height, the number of leaves and roots were evaluated. The initial experiment was conducted to find the threshold level for significant damage to the plant, while the second experiment was to screen the germplasm to select heat-tolerant clones. Most of the clones were sensitive to heat stress (clones 1, 2, 8, 11, 14, 15, 22, and 26), and few clones (clones 5 and 6) could perform well at an elevated temperature of 32.5 °C. Molecular analysis of the expression of heat-responsive genes, including heat shock protein (CoHSP), catalase (CoCAT), and cystine protease (CoCP), was performed by quantitative real-time reverse transcriptase polymerase chain reaction (qRT-PCR) carried out with heat-tolerant and heat-sensitive clones. Two of the heat-tolerant clones (clones 5 and 6) showed significant expression of CoHSP and CoCAT genes at elevated temperature treatment. These clones can be used for further evaluation and cultivation.

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Effect of Shading Types and Duration on Alleviation of High Temperature Stress in Cnidium officinale Makino

Cited by 6 publications

References 9 publications

Determination of Optimal Growing Degree Days and Cultivars of Kimchi Cabbage for Growth and Yield during Spring Cultivation under Shading Conditions

Determination of Optimal Growing Degree Days and Cultivars of Kimchi Cabbage for Growth and Yield during Spring Cultivation under Shading Conditions

De novo transcriptome assembly and gene expression analysis of Cnidium offinale under high- temperature conditions

Response of Cnidium officinale Makino Plants to Heat Stress and Selection of Superior Clones Using Morphological and Molecular Analysis

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