Jae Hwan Lee

• Doctor of Philosophy
• Senior Researcher at Sahmyook University

This study aimed to improve the stem-cutting propagation efficiency and morphophysiological characteristics of the variegated ornamental foliage plant Hedera algeriensis cv. Gloire de Marengo using two types of auxins and four concentrations for each type of auxinic rooting promoter tested here. The following nine concentrations were used: control;...

Introduction Cultivation is a book that systematically organizes knowledge on crop production technology, comprehensively summarizing the fundamental principles of crop production. Generally, the study of crop cultivation consists of two central pillars: first, the genetic traits of crops, including breeding and varietal characteristics, and second...

In the present study, we aimed to establish an efficient cultivation method for Tillandsia ionantha, which is commonly known as an air plant and is distributed as an ornamental succulent. This species was cultivated using non-substrate cultivation methods in a controlled environment, and the influence of various light spectra on its growth was inve...

Betula platyphylla var. japonica, a member of the Betulaceae family, is a temperate landscape tree species with significant industrial value. This study investigated the effects of short-term dry-cold treatment periods that ranged from 0 to 60 days on the germination success of B. platyphylla var. japonica seeds and their post-germination growth an...

Historically, it has been said that "Agriculture is the foundation of the nation" (農者天下之大本), signifying that the stability and sustenance of a nation rely heavily on agriculture and its farmers. In ancient times, when a good harvest led to population growth and a poor harvest caused widespread unrest, it was naturally accepted that agriculture was...

Background: Salvia miltiorrhiza Bunge, an important medicinal crop, is documented in China's oldest pharmacopoeia, Shennong Bencaojing. However, research on the effects of light quality on its growth and photochemical responses is limited. Methods and Results: This study utilized T5 light-emitting diode (LED) bars with red (630 ㎚), green (520 ㎚), b...

Background and objective: This study aimed to investigate the effects of different types and concentrations of exogenous auxins on growth and rooting ability of Philodendron hederaceum var. oxycardium stem cuttings. Methods: Auxins used included indole acetic acid (IAA) at concentrations of 80, 160, and 320 mg⋅L-1, and 3-indolebutyric acid (IBA) an...

This study investigates the influence of different light qualities, including red, green, blue, purple, and white lights, on the growth, physiological activity, and ornamental characteristics of two Coleus cultivars. Emphasizing the importance of leveraging phenotypic plasticity in plants within controlled environments, using light quality is a pra...

Cichorium intybus, a leafy vegetable belonging to the Asteraceae family, is known for its potential health benefits and the inclusion of various bioactive compounds and indigestible oligosaccharides that improve liver function and aid in fatigue recovery. In this study, we evaluated the effects of light-emitting diode (LED) light qualities on the g...

Background: Salvia miltiorrhiza Bunge, a medicinal plant belonging to the Lamiaceae family, is commonly used as a health-promoting tea in China. This study investigated and analyzed the improvements in S. miltiorrhiza growth, external quality, vegetation indices, and photosynthetic performance through photoperiod control. Methods and Results: The s...

This study investigated the suitable shading levels for Peperomia species and cultivars, a genus within the Piperaceae family known for its ornamental value as an indoor plant. We examined the effects of four different shading levels (45, 60, 75, and 99 %) using polyethylene (PE) shading films on four Peperomia species and cultivars, namely: P. obt...

Danshen (Salvia miltiorrhiza) is a medicinal crop belonging to the Lamiaceae family. Widely used in China as an ingredient for health-promoting tea, danshen is also a noteworthy crop in Korea due to the active development of new cultivars. This study investigated the effects of various photoperiods on growth, external quality, and physiological cha...

Chicory (Cichorium intybus) is a leafy vegetable belonging to the Asteraceae family. In South Korea, chicory is primarily used in salads or as a leafy wrap vegetable and is beneficial from a health-functional perspective due to its various active components. This study was conducted in a closed nursery facility to investigate the effects of LED lig...

Danshen (Salvia miltiorrhiza) is a medicinal crop belonging to the Lamiaceae family. Widely used in China as an ingredient for health-promoting tea, danshen is also a noteworthy crop in Korea due to the active development of new cultivars. This study investigated the effects of various photoperiods on growth, external quality, and physiological cha...

Chicory (Cichorium intybus) is a leafy vegetable belonging to the Asteraceae family. In South Korea, chicory is primarily used in salads or as a leafy wrap vegetable and is beneficial from a health-functional perspective due to its various active components. This study was conducted in a closed nursery facility to investigate the effects of LED lig...

Taraxacum coreanum, a member of the Asteraceae family, is endemic to Korea and has high potential as a medicinal crop. However, as the cultivation method for T. coreanum has not been clearly established, it is necessary to discuss the proper method by which to raise seedlings. In this study, the effects of the shading levels on growth and photosynt...

Salvia miltiorrhiza is a medicinal crop belonging to the Lamiaceae family. It is commonly used in China as an ingredient in health-promoting teas that enhance immunity and prevent diseases. Although some Korean local farmers have reported that S. miltiorrhiza grows vigorously in high temperatures and produces roots with a deep red color, there is n...

Supplementary Figure 1. Nanopore sequencing depth and coverage distribution of Philodendron hederaceum chloroplast genome. The maximum depth was 1,039x, the minimal depth was 30x and the average was 431.49x.; Supplementary Figure 2. Schematic representation of cis-splicing and trans-splicing genes in Philodendron hederaceum chloroplast genome. Phil...

Philodendron hederaceum (Jacq.) Schott 1829, a species of the Araceae family, is a foliage plant of ornamental value. The complete chloroplast genome sequence of Philodendron hederaceum was obtained by the de novo assembly of NovaSeq 6000 (Illumina Co., San Diego, CA) paired-end short reads and Oxford Nanopore long reads. The complete chloroplast g...

According to recent UN predictions, the global population is expected to reach 8 billion by the end of 2025, 10 billion by 2050, and 11 billion by 2100. To support such a vast population, an increase in food production will be necessary. However, the area available for cultivation is decreasing, and the frequency of climatic anomalies is rising. Ag...

This study was conducted to explore methods for increasing the productivity of six Phedimus species (namely, P. aizoon, P. kamtschaticus, P. latiovalifolium, P. middendorffianus, P. takesimensis, and P. zokuriensis). The following experiments were performed: light quality experiment (using red, green, blue, purple or pink, 3000, 4100, and 6500 K wh...

Orostachys spp., considered economically important succulent plants for both the medicinal and ornamental plant industries, are known to exhibit slow growth in their offsets during the long, cold winter months. Due to the slow growth, this study investigated the application of gibberellic acid (GA3) and determined the optimal GA3 concentration (con...

Senecio haworthii is a succulent plant belonging to the Asteraceae family. Optimal growth conditions for this species have not been well-established. In this study, we investigated the optimal day/night temperature range for enhancing the growth and ornamental quality of S. haworthii. Four day/night temperature treatments were designed as follows:...

Peperomia, the commonly cultivated house plants, are known for their superior shade tolerance, and suitability as ornamental indoor plants. Here, the effects of different color temperatures of white light-emitting diodes (LEDs) were experimentally investigated on Peperomia. Three white LEDs with different color temperatures of 3000, 4100, and 6500...

Background and objective: The genus Viola, a member of the Violaceae family, is renowned for its ornamental flower crops. Additionally, Viola species are relatively pest-resistant and easy to manage. They are widely used in gardens, and some of their flowers are even edible. In this study, our focus was on V. cornuta cv. Penny Red Wing (hereinafter...

Pachyphytum, a slow-growing succulent genus, is considered a high-value ornamental plant in high demand as a potted plant. To facilitate and enhance its vegetative propagation, different light-emitting diode (LED) light qualities were used on leaf cuttings. Different light spectrum qualities, i.e., red (peak at 630 nm), blue (peak at 450 nm), purpl...

Background and objective: Mesembryanthemum cordifolium is a plant belonging to the Aizoaceae family and is native to South Africa and Namibia. As a CAM plant, M. cordifolium exhibits strong resistance to drought stress and can be utilized for the removal of soil salinity and heavy metals. Furthermore, it is an important medicinal crop with anti-inf...

Background and objective: Veronica pusanensis, an endemic species of South Korea belonging to the Plantaginaceae family, is found in Busan, South Korea. Due to its high ornamental value, it is expected to be utilized as a flower crop. However, currently it is an endangered species with its habitats being destroyed and reduced. Methods: Therefore, i...

Sedum nussbaumerianum, a succulent plant belonging to the Crassulaceae family, exhibits various leaf colors, including red, yellow, and green, and produces white to pinkish flowers, making it a species with high ornamental value. However, it is a relatively unknown species with little scientific research. In this study, we designed four different d...

Kalanchoe pumila is a succulent species belonging to the family Crassulaceae, which is highly valued for its ornamental pink flowers despite being relatively unknown in academic circles. In this study, we investigated the growth and flowering characteristics of K. pumila under different temperature treatments. Day/night temperatures were applied at...

The genus Sempervivum plants are members of the Crassulaceae family that is widely distributed in Eurasia and North Africa. Various species in Sempervivum have shown the potential to be used as medicinal crops in several studies in the past. Nowadays, succulents under this genus have gained popularity as ornamental plants. To increase its ornamenta...

Petrosedum rupestre is a succulent plant growing throughout Europe, except for Western Europe, and is one of the most preferred plants for rock gardens and green roof systems. P. rupestre has a beautiful blue appearance and may be used for medicinal purposes. This study was conducted to determine the optimal light conditions using white LEDs (light...

Phedimus takesimensis is a succulent species indigenous to the Korean Peninsula and is found in Ulleungdo and Dokdo islands. It has potential medicinal properties; thus, it should be protected in South Korea. However, the optimal shading level for mass cultivation of P. takesimensis is unknown. In this study, we subjected P. takesimensis cv. Atlant...

There are about 20 known species of Hylotelephium distributed within Eurasia and North America. Some Hylotelephium species have been reported to have a potential medicinal effect and have been used to remove cadmium from soil. Additionally, various cultivars have been sold and used as ornamental plants for aesthetic purposes. Although Hylotelephium...

Sedum album is a succulent species that has a creeping growth habit and blooms in groups in its native habitat. S. album is known to produce many flavonol glycoside compounds that are useful in the pharmaceutical industry. This succulent also has a high resistance to abiotic stressors and is thus widely used in green roof systems. Aside from its me...

Echeveria lilacina Kimnach & Moran 1980 is a succulent plant having ornamental and ecological importance. In this study, the first complete chloroplast genome of Echeveria lilacina, a species belonging to the Crassulaceae family, was characterized from the de novo assembly of Illumina NovaSeq 6000 paired-end sequencing data. The chloroplast genome...

Plants under the genus Orostachys have been known as medicinal plants. This study deems to determine the growth and leaf color of Orostachys japonica and O. boehmeri when subjected to various LED light sources. A total of seven LED light treatments were used, i.e. red (630 nm), green (520 nm), blue (450 nm), purple (650 and 450 nm), 3000 K white (4...

When designing interior spaces, the use of indoor foliage plants is considered as an integral part of providing a wonderful ambiance owing to both their aesthetic and functional properties. Being indoors, these plants are subjected to continuous lighting conditions at high temperatures with varying light intensities, which affect their survival, gr...

Delosperma cooperi is a perennial herbaceous succulent that grows wild in Lesotho and the Republic of South Africa. As a ground cover plant and as an indoor ornamental plant, it has a high horticultural value. It is essential to fully understand the conditions and other factors that play a key role in higher propagation success to reduce labor cost...

This study investigated and analyzed the chlorophyll fluorescence response of indoor foliage plants at different light intensity levels under high temperature and continuous lighting conditions. Most foliage plants showed an increase in fluorescence intensity in Fo and Fj transient and a decrease in Fi and Fm transient when subjected to increasing...

An endemic plant to South Korea, Sedum zokuriense Nakai, has medical and floricultural potential and is of ecological importance. Today, many species under the genus Sedum are used as green-roofing systems, sold as ornamental plants, and studied for breeding programs. As such, optimization studies should be conducted to identify key environmental a...

We are issuing this erratum to correct an error in Table 3 and the 48th reference of the published article. We apologize for any inconvenience this may have caused our readers. We appreciate your understanding and patience as we make these corrections to ensure the accuracy of our publication.

Foliage plants are considered as an integral part of adding aesthetic and functional purposes in public places. Nowadays, various foliage plants are used to decorate and enhance the aesthetics of several government and private establishments which offer and run services non-stop that involve medical/police emergencies, entertainment, and travel. Un...