About This Journal
About This Journal
Horticultural Science and Technology (abbr. Hortic. Sci. Technol., herein ‘HST’; ISSN, 1226-8763), one of the two official journals of the Korean Society for Horticultural Science (KSHS), was launched in 1998 to provide scientific and professional publication on technology and sciences of horticultural area. As an international journal, HST is published in English and Korean, bimonthly on the last day of even number months, and indexed in ‘SCIE’, ‘SCOPUS’ and ‘CABI’. The HST is devoted for the publication of technical and academic papers and review articles on such arears as cultivation physiology, protected horticulture, postharvest technology, genetics and breeding, tissue culture and biotechnology, and other related to vegetables, fruit, ornamental, and herbal plants.
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Research Article
- Classification of Similarly Colored Medicinal Berries using Hyperspectral Images and Machine Learning Models
- Min Chae Kim, Hyo In Yoon, Hyein Lee, So Jin Park, Jung Seok Yang, Dae-Hyun Jung, Soo Hyun Park
- As the misuse of medicinal plants increases due to misclassifications brought about by similarities in the external characteristics (color, size, shape) of …
- As the misuse of medicinal plants increases due to misclassifications brought about by similarities in the external characteristics (color, size, shape) of plants and their fruits, accurate identification techniques must be developed. Spectral information can be used to identify various characteristics of medicinal plants in wavelength ranges that cannot be seen by the naked eye. This study develops a non-destructive identification and classification technology for medicinal plants using hyperspectral imaging combined with machine learning models to eliminate the misidentification of medicinal berries that are very similar in size, shape, and color. Four models were used to classify different plant species: the logistic regression (LR), K-nearest neighbor (KNN), decision tree (DT), and random forest (RF) models. The optimal classification model was selected based on classification performance indicators. The dried fruit of four medicinal plant species were used: Cornus officinalis, Lycium chinense, Lycium barbarum, and Schisandra chinensis. Hyperspectral images of the samples were obtained corresponding to 150 wavelength bands in the 400–1000 nm range. For the training dataset, the average reflectance spectrum per berry was extracted. The accuracy, F1 score, confusion matrix, and receiver operating characteristic (ROC) curve were used to evaluate the performance of each classification model. The LR model performed best, with accuracy of 0.99 and an area under the curve (AUC) value of 1 for all samples. The LR model produces very accurate results, and the classification system based on it is fast and non-destructive. The machine-learning-based hyperspectral imaging classification system can be applied and scaled up to the industrial level, effectively eliminating the misuse of medicinal plants through accurate identification of these plants. - COLLAPSE
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Research Article
- Transient Plant Expression of Recombinant Rabies Virus Glycoprotein: A strategy for Vaccine Production
- Yeji Lee, Jeanho Park, Yerin Kim, Hyunjoo Hwang, Caiquan Jin, Yoojin Oh, Yangjoo Kang, Daehwan Lee, Minhyeok Song, Yoonji Lee, Kisung Ko, Mineui Hong
- The rabies virus causes neurological infections, resulting in the deaths of over 60,000 people worldwide each year. Currently available rabies vaccines are …
- The rabies virus causes neurological infections, resulting in the deaths of over 60,000 people worldwide each year. Currently available rabies vaccines are attenuated virus vaccines, which carry the risk of transmission among both humans and animals. An exciting alternative to these traditional vaccines is the use of recombinant plant-based vaccines. In this study, we applied the rabies virus glycoprotein (RVGP) as a recombinant vaccine to be transiently expressed in plants. To achieve this, we fused human immunoglobulin G Fc with the KDEL sequence, a motif for endoplasmic reticulum (ER) retention (FcK), to the RVGP, to generate RVGP-FcK. We then cloned the RVGP- FcK gene expression cassette into the pEAQ vector and agro-infiltrated Agrobacterium tumefaciens (LBA4404) carrying the pEAQ RVGP-FcK vector into the leaves of Nicotiana benthamiana for transient expression. A RT-PCR analysis confirmed the transcription of the RVGP-FcK gene, which was evident as early as four days post-infiltration (dpi). To optimize the spatial and temporal aspects of RVGP-FcK production, we conducted analyses of its expression levels at different leaf positions (top, middle, and base) and dpi. A western blot analysis demonstrated that the RVGP-FcK protein reached its highest expression level at 7 dpi in the top leaf position and at 5 dpi in the middle leaf position. However, no detectable expression was observed in the bottom leaves at any time point. Subsequently, we validated the functionality of RVGP-FcK through an ELISA analysis. The results revealed that RVGP-FcK was expressed and assembled into its functional form most effectively at 5 and 7 dpi in the top leaf position and at 5 and 7 dpi in the middle leaf position. Our findings demonstrate that the transient expression of a functional RVGP-FcK protein can be optimized spatially and temporally in plants. - COLLAPSE
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Research Article
- Comparison of the Growth Efficiency and Bioactive Compounds of Achyranthes japonica Nakai according to the Sowing Amount in Vertical Farms
- Ye Lin Kim, Seong-Nam Jang, Su Cheol Kim, Yun Gon Son, Jeong Yoon Kim, Kye Man Cho, Jae Gil Yun, Ki-Ho Son
- Achyranthes japonica Nakai (AJN) is grown mainly in the warm regions of South Korea. It is a high-value medicinal plant with various …
- Achyranthes japonica Nakai (AJN) is grown mainly in the warm regions of South Korea. It is a high-value medicinal plant with various pharmacological effects, including joint protection, obesity prevention, and diabetes prevention. AJN is a plant mainly valued for its roots, and it takes approximately two years from sowing before the roots can be harvested. Therefore, this study sought to develop better AJN cultivation technology in a microgreen form in a vertical farm and to confirm the bioactive compounds and antioxidant capacity according to the sowing amount. After soaking the seeds for three days, they were sown in a growing tray with drain holes (31.5 × 23 × 7.5 cm, L × W × H) filled with a commercial ginseng soil mix medium and subjected to experimentation. AJN seedlings which had been germinated in the dark for four days were grown in a vertical farm. The treatment groups were tested at 0.5, 1.0 and 2.0 g. As the sowing amount was increased, the fresh and dry weights increased. Meanwhile, the fresh weight relative to the sowing amount showed the greatest efficiency at 0.5 and 1.0 g. Depending on the sowing amount the phenol content was highest at 0.5 g, and the flavonoid content was highest at 0.5 and 1.0 g. Based on previous results, it was appropriate to sow at 1.0 g or less considering growth for economic feasibility; therefore, sowing at 14 g or less per m2 was determined to be appropriate here. It was confirmed that 20-hydroxyecdysone, the main secondary metabolite of mature AJN, was also present in microgreen AJN; 20E in microgreen AJN grown in the vertical farm was higher than the level in mature leaves and stems grown in the open field, but the level in mature roots was approximately 2.1 times higher than in the microgreens. These results show that microgreen AJN is a valuable plant material. - COLLAPSE
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Research Article
- Enhancing the Quality of Ripened ‘Irwin’ Mangoes and the Shelf Life through Chitosan Edible Coating and Modified Atmosphere Packaging
- W.M. Upeksha Darshani Wijethunga, Mi Hee Shin, L. Sugandhi Hirushika Jayasooriya, Gyeong Ho Kim, Kyoung Mi Park, Mi Geon Cheon, Sang Woo Choi, Hong Lim Kim, Jin Gook Kim
- The biochemical changes in mangoes during ripening affect the fruit composition and quality, making these fruits vulnerable to rapid quality deterioration given …
- The biochemical changes in mangoes during ripening affect the fruit composition and quality, making these fruits vulnerable to rapid quality deterioration given their climacteric nature. This study examined the effects of an edible chitosan coating and modified atmosphere packaging (MAP) on room-temperature and cold storage conditions in an effort to enhance the quality of the ‘Irwin’ mangoes in two experiments. The 100 μL·L-1 and 500 μL·L-1 chitosan coating treatments used here were applied twice as preharvest treatments. Soon after harvest, mangoes were treated with 500 μL·L-1 chitosan postharvest treatment and 80,000 cc and 150,000 cc MAPs along with control and chitosan pre-treated fruits. The fruits in these cases were kept under room-temperature storage conditions in our first experiment. The control and 100 μL·L-1 and 500 μL·L-1 chitosan-preharvest-treated fruits were kept in cold storage at 7°C for 14 days and then exposed to room-temperature conditions as our second experiment. The physicochemical characteristics and respiration rate were subsequently analyzed. Remarkably, MAP types at room temperature were found to affect quality retention and weight maintenance positively compared to the chitosan treatments. However, the physicochemical characteristics were retained during cold storage, and the weight loss% changed moderately after exposure to room-temperature conditions. The soluble solids content, titratable acidity, and respiration rates were not significant, and firmness was decreased significantly only in the control treatment in the days after cold storage. In addition, apparent chromaticity variations could not be obtained from the front and back sides of the fruits. Notably, our first experiment pinpointed MAPs as ideal for room-temperature storage, while our second experiment highlighted the preharvest chitosan treatments as optimal for cold storage. These emerged as the foremost strategies, significantly enhancing the post-harvest quality and extending the shelf life of fully ripe ‘Irwin’ mangoes. - COLLAPSE
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Research Article
- Seed Characteristics of Passion Fruit (Passiflora edulis f. flavicarpa) Rootstocks with Different Genotypes and Responses of Their Seedlings to Drought Stress
- Ye Wang, Caixia Chen, Jiayu Li, Xiaoying Zhang, Yao Teng, Zixiong Zhang, Xiuqin Long
- Unstable characteristics of rootstocks can easily lead to quality degradation and yield declines for passion fruit. Therefore, this study focused on the …
- Unstable characteristics of rootstocks can easily lead to quality degradation and yield declines for passion fruit. Therefore, this study focused on the seed characteristics, growth, chlorophyll fluorescence parameters under drought stress, and antioxidant enzyme activity of passion fruit rootstocks with three genotypes (R1, R2, and R3). A correlation analysis and a membership function method were adopted for a comprehensive evaluation, expecting to screen out passion fruit rootstocks adaptable to drought-prone areas in China. According to the study results, the three passion fruit rootstocks were evidently different in terms of the seed morphology and germination characteristics. Specifically, the seed width and 1000 seeds weight of R1 were significantly superior to those of R2 and R3, but the germination potential and germination rate of R3 were 87.9% and 93.3%, respectively, significantly higher than those of R1 and R2. Meanwhile, R3 exhibited a greater amount of aboveground biomass and a smaller root-shoot ratio, along with a more efficient water metabolic capacity. The chlorophyll fluorescence parameters, i.e., the initial fluorescence (F0), maximum fluorescence (Fm) and variable fluorescence (Fv), of the rootstock seedlings with three genotypes were not found to be significantly different under drought stress, while the Fv/Fm ratio of R2 was significantly higher than that of R1. The minimum values of H2O2 and superoxide dismutase (SOD) appeared at 3 w after drought stress, and the minimum value of peroxidase (POD) and the peak value of catalase (CAT) were observed at week 4. As evidenced by the comprehensive evaluation, R3 is highly drought-resistant with good breeding potential. - COLLAPSE
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Research Article
- Profiling of Flavor Volatiles by SPME-GC-MS in Strawberry Cultivars during Fruit Development and Ripening
- Jung Su Jo, Hee Ju Yoo, Ha Seon Sim, Je Min Lee, Sung Kyeom Kim
- Strawberry is one of the most important horticultural crops in Korea. However, a thorough understanding of the variations of flavor volatiles in …
- Strawberry is one of the most important horticultural crops in Korea. However, a thorough understanding of the variations of flavor volatiles in representative cultivars is limited. In this study, four domestic cultivars (‘Keumsil’, ‘Maehyang’, ‘Sulhyang’, and ‘Arihyang’) and two European wild cultivars (Fragaria vesca ‘Yellow Wonder’ and F. vesca ‘Baron Solemacher’) were used to determine flavor volatiles by solid-phase microextraction gas chromatography mass spectrometry in four ripening stages. Among 59 volatiles, methyl isovalerate (CAS No. 556-24-1), hexyl acetate (CAS No. 142-92-7), and hexyl butanoate (CAS No. 2639-63-6) were detected in the ‘Sulhyang’, ‘Maehyang’, ‘Arihyang’ types, respectively. More volatile compounds were present in the pink and red stages compared to the green and white stages in all cultivars. The cultivars ‘Keumsil’ and ‘Arihyang’ had relatively high levels of ethyl butanoate (CAS No. 105-54-4) and ethyl hexanoate (CAS No. 123-66-0), compounds with low odor thresholds. The relative levels of ethyl butanoate and ethyl hexanoate in wild strawberry species were approximately 0.9 to 10.3 times higher than those in domestic strawberry cultivars. These results suggest that wild strawberry cultivars are more aromatic than domestic strawberry cultivars. In addition, the findings from a qualitative analysis of the volatile compounds detected in this research could potentially be used as a basis for the future breeding of strawberry fruits with different flavors. - COLLAPSE
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Research Article
- Effects of Greenhouse Temperatures and Solar Irradiance Levels on the Monthly Production of Summer-Cultivated Paprika
- Minkyung Kim, Yong-Beom Lee, Ki-Young Choi
- The production of summer-cultivated paprika from August to September in Korea is relatively low due to poor environmental conditions such as high …
- The production of summer-cultivated paprika from August to September in Korea is relatively low due to poor environmental conditions such as high temperatures starting from late June. For this reason, proper greenhouse environment management during the high-temperature period is crucial. This study aimed to analyze unfavorable environments for paprika in greenhouses during the high-temperature period that lead to low production on four commercial farms exporting paprika, two in Cheorwon-gun and two in Inje-gun, over a course of three years (2020‒2022). Monthly averaged 24 hour-mean temperature was at 21‒23°C (optimum temperature for paprika growth) from June to August in all surveyed farms. However, the maximum daytime temperature exceeded 27°C for 50‒60 days continuously and the maximum nighttime temperature was over 21°C.For the whole cultivation period, the greenhouse environment was divided into quartile groups: 45.5% with high-temperature (temp.) and high-integrated solar radiation (ISR) in the first quarter (Q1), 17.0% with low-temp. and high-ISR in Q2, 27.5% with low-temp. and low-ISR in Q3, and 10.0% with high-temp. and low-ISR in Q4. A period from 22 week to 24 week (mid-late July to early August) were mostly classified in Q4. Production was highest in June, decreasing from July to the lowest level in September. In September, production showed strong negative correlation with a number of hours exposed to higher temperature than 27°C. Although there was no significance between production and ISR, it likely implies that low solar radiation from mid-late July to early August resulted in even lower production in September. - COLLAPSE
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Research Article
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Evaluation of Growth, Vegetation Indices, and Photosynthesis of Cichorium intybus L. Seedlings as Affected by LED Light Qualities in a Closed Nursery Facility
폐쇄형 육묘시설에서 LED 광질의 영향을 받은 치커리묘의 생육과 식생지수 및 광합성 평가
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Eun Ji Shin, Jae Hwan Lee, Sang Yong Nam
신은지, 이재환, 남상용
- Cichorium intybus, a leafy vegetable belonging to the Asteraceae family, is known for its potential health benefits and the inclusion of …
치커리(Cichorium intybus)는 국화과(Asteraceae)에 속한 엽채소류의 일종이다. 치커리는 샐러드로 이용이 가능하고 다양한 유효성분 및 난소화성 다당류가 포함되어 있으며 간 기능을 향상시켜 …
- 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 growth, vegetation indices, and photosynthesis of the C. intybus cultivars ‘Asia Sugar’ and ‘Rossa Italiana’, grown in a closed nursery facility. LED light treatments included seven types of monochromatic, composite, and white LEDs (i.e., red, green, blue; purple; 3000, 4100, and 6500 K white LEDs) applied to these cultivars. The results showed that ‘Asia Sugar’ reached its largest size under the 3000 and 4100 K white LED treatments, whereas ‘Rossa Italiana’ exhibited the highest growth under the 3000 K white LED light treatment. An analysis of monochromatic light revealed that red LED light increased plant sizes and weights compared to blue LED light, and a higher distribution of red wavelengths within the white light spectrum positively influenced plant sizes and weights. With regard to increasing plant weights, both cultivars performed best under 3000 and 4100 K white LEDs, similar to the results for plant sizes. In contrast, ‘Asia Sugar’ showed the most favorable vegetation and photosynthetic indices under 4100 and 6500 K white LEDs, while the ‘Rossa Italiana’ showed the most favorable photosynthetic indices and chlorophyll content (SPAD units) under 6500 K white LED, opposite to the plant size results. These findings provide valuable insights into how specific LED light qualities can be optimized to enhance the growth and physiological responses of Cichorium intybus cultivars seedlings.
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치커리(Cichorium intybus)는 국화과(Asteraceae)에 속한 엽채소류의 일종이다. 치커리는 샐러드로 이용이 가능하고 다양한 유효성분 및 난소화성 다당류가 포함되어 있으며 간 기능을 향상시켜 피로회복에도 도움을 준다. 본 연구에서는 폐쇄형 육묘시설에서 발광 다이오드(light-emitting diode, LED) 광질의 영향을 받은 치커리묘의 생육, 식생지수, 광합성을 평가하였다. LED 처리는 적색, 녹색, 청색, 보라색, 3000, 4100, 6500K 백색 LED로 총 7가지 처리로 나누었으며 품종은 ‘아시아슈가’(Cichorium intybus cv. Asia Sugar)와 ‘로사이탈리아나’(C. intybus cv. Rossa Italiana) 두 품종을 선정하였다. 실험 결과에서 식물체 크기는 ‘아시아슈가’의 경우 3000, 4100K 백색 LED에서 높게 나타났으나, ‘로사이탈리아나’ 품종은 3000K 백색 LED 처리구에서 높게 나타났다. 단색광 처리구 내에서는 적색 LED가 청색 LED에 비해 치커리 묘의 크기와 무게를 증가시키는 것으로 나타났으며, 백색광 내에서도 적색 파장의 분포가 높은 경우 식물체 크기와 무게 증가에 긍정적인 영향을 주는 것으로 보인다. 한편, 치커리 묘의 생체중, 건물중의 결과에서는 두 품종 모두 3000, 4100K 백색 LED에서 좋았던 것으로 나타나 식물체 크기의 결과와 유사하였다. 식생지수, 광합성 분석에서는 ‘아시아슈가’ 품종의 경우 4100, 6500K 백색 LED에서 식생지수와 광합성이 가장 양호하였으며, ‘로사이탈리아나’ 품종의 경우 6500K 백색 LED에서 광합성 지수, 엽록소 수치가 가장 양호하여 식물체 크기의 결과와 일부 상반된 결과를 나타내었다. 이러한 결과는 치커리 묘의 생육과 생리적 기능을 향상시키기 위한 LED 광질 최적화에 대한 향상된 정보를 제공한다.
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Evaluation of Growth, Vegetation Indices, and Photosynthesis of Cichorium intybus L. Seedlings as Affected by LED Light Qualities in a Closed Nursery Facility
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Research Article
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Changes in the Growth and Fruit Yield of Hot Peppers Grown under Elevated CO2 and Temperature Conditions
CO2 및 온도 상승 조건 하에서 재배된 고추의 생육 및 과실 수량 변화
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In Bog Lee, Dae Ho Jung, Seok Beom Kang, Pyoung Ho Yi, Seung Tak Jeong, Seung Heui Kim, Jin Myeon Park
이인복, 정대호, 강석범, 이평호, 정승탁, 김승희, 박진면
- Climate change affects the growth of plants, and elevated CO2 concentrations and temperatures can cause leaf senescence and poor flower bud …
기후 변화는 다양한 생물의 활동에 영향을 미치며, 온도와 CO2 농도가 상승하면 잎의 노화와 꽃눈 분화의 불량 등이 발생하여 고추의 생산량이 감소할 …
- Climate change affects the growth of plants, and elevated CO2 concentrations and temperatures can cause leaf senescence and poor flower bud differentiation, which can reduce pepper production. Here, we undertook a quantitative evaluation of how elevated CO2 concentrations and temperatures compared to ambient conditions affect the growth and yield of peppers. Four CO2 concentration and temperature treatments were applied to the cultivation of the ‘Hongchowang’ variety pepper. The first treatment involved an ambient CO2 concentration and temperature, the second used an elevated CO2 concentration and an ambient temperature, the third used an ambient CO2 concentration and an elevated temperature, and the fourth used both an elevated CO2 concentration and elevated temperature. An elevated CO2 concentration caused decreases in the height, leaf area, and fruit yield, while an elevated temperature led to increases in the plant height, leaf area, and fruit yield. An elevated CO2 concentration increased the numbers of leaves and fruit as well as the leaf photosynthetic rate in peppers but also increased the IAA concentration, resulting in a large number of small leaves. On the other hand, an increase in the temperature caused an increase in the C/N ratio, increasing both the yield and number of fruit. In order to secure similar levels of pepper production under future climate change, a combination of measures against CO2 concentration and temperature increases will be required.
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기후 변화는 다양한 생물의 활동에 영향을 미치며, 온도와 CO2 농도가 상승하면 잎의 노화와 꽃눈 분화의 불량 등이 발생하여 고추의 생산량이 감소할 수 있다. 본 연구는 주변 환경에 비해 상승한 CO2 농도와 온도가 고추의 생육과 과실 수량, 엽 특성에 어떠한 변화를 미치는지 정량적으로 평가하려는 목적으로 수행되었다. ‘홍초왕’ 품종 고추(Capsicum annuum L. cv. ‘Hongchowang’) 재배를 위해 대기 중 CO2 농도 및 온도(CON), CO2 농도 상승과 대기 중 온도(ECAT), 대기 중 CO2 농도와 온도 상승(ACET), CO2 농도 및 온도 상승(ECET)의 네 가지 CO2 농도 및 온도 처리를 적용하였다. CO2 농도 상승은 초장과 엽면적의 감소, 과실 수량의 감소를 일으키며, 온도 상승은 초장과 엽면적, 과실 수량의 상승을 일으켰다. CO2 농도 상승은 고추의 엽수와 과실 수, 엽 광합성 속도를 증가시키지만, IAA 농도를 증가시켜 많은 수의 작은 잎을 만들게 하였다. 반면, 온도 상승은 C/N 율의 상승을 일으키며, 수확량과 착과 수의 증가를 유도하였다. 추후 변화할 기후 환경에서 현재와 유사한 수준의 고추 생산량을 확보하기 위해서는 CO2 농도와 온도 증가에 대한 복합적인 대책을 마련해야 할 것이다.
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Changes in the Growth and Fruit Yield of Hot Peppers Grown under Elevated CO2 and Temperature Conditions
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Research Article
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Paprika Fruit Growth Analysis According to the Fruit Set Time
착과 시기에 따른 파프리카 과실의 생장 분석
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Hyo Jun Bae, Jeong Hyun Lee, Jong Hyang Bae, Baul Ko
배효준, 이정현, 배종향, 고바울
- This study was conducted to understand the relationship between the growth characteristics of fruits set at different times and under different environmental …
본 연구는 착과 시기별 과실의 생육특성과 환경조건 간의 관계성을 분석하여 기간별 수확시기 예측을 위한 기초자료로 활용하고자 수행되었다. 착과 시기는 개화 직전 상태의 …
- This study was conducted to understand the relationship between the growth characteristics of fruits set at different times and under different environmental conditions. This knowledge will serve as fundamental data for predicting harvest times for each period. Fruit-setting intervals were established at five or two weeks based on flower buds just before blooming. From the day of flowering to the day of harvest of each period, weekly measurements of fruit growth were taken. With a nonlinear regression analysis, the maximum growth amount, the relative growth rate, and the time to reach the maximum growth rate for both fruit length and width were estimated. It was observed that the number of days required to harvest the fruit, depending on the fruit-setting time, decreased as the average daily temperature increased. The relative growth rate and the maximum growth amount of both the fruit length and width at each fruit-setting time tended to increase with a rise in the average daily temperature. However, no significant difference was noted in the temperature range of 20–22°C. The ‘Atalante’ species exhibited a higher relative growth rate at all times, with the exception of the May and June 2016 investigation periods. Taking into account the environmental conditions and the growth amount of the fruit at each fruit-setting time, it appears that both the maximum growth amount and the relative growth rate of the fruit are influenced by the average daily temperature. Through this understanding, it is posited that the harvest time can be predicted based on the fruit-setting time.
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본 연구는 착과 시기별 과실의 생육특성과 환경조건 간의 관계성을 분석하여 기간별 수확시기 예측을 위한 기초자료로 활용하고자 수행되었다. 착과 시기는 개화 직전 상태의 꽃봉오리를 기준으로 5주 또는 2주 간격으로 설정하였으며, 각 시기별 개화일부터 수확일까지 일주일 간격으로 과실의 생장량을 측정하여 비선형 회귀분석으로 과장 및 과폭의 최대 생장량, 상대생장률, 최대생장률에 도달하는 시점을 추정하였다. 착과 시기에 따른 과실의 수확일수는 일평균온도가 증가할수록 감소하였다. 착과 시기별 과장 및 과폭의 상대생장률, 최대생장량은 일평균온도가 높을수록 증가하는 경향을 나타내었으나, 20–22°C 구간에서는 유의한 차이를 나타내지 않았다. ‘Atalante’ 품종은 2016년 5, 6월 조사시기를 제외한 모든 시기의 상대생장률이 높았다. 착과 시기별 환경조건과 과실의 생육량을 고려하였을 때, 과실의 최대생육량과 상대생장률은 모두 일평균온도에 영향을 받는 것으로 생각되며, 이를 통하여 착과 시기에 따라 수확시기를 예측할 수 있을 것으로 생각된다.
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Paprika Fruit Growth Analysis According to the Fruit Set Time
Horticultural Science and Technology
