Photochemical Response Analysis on Drought Stress for Red Pepper (Capsiumannuum L.)

Yoo, Sung-Yung; Lee, Yong-Ho; Park, So‐Hyun; Choi, Kyong-mi; Park, Juneyoung; Kim, Aram; Hwang, Su-Min; Lee, Min-Ju; Ko, Tae-Seok; Kim, Tae‐Wan

doi:10.7745/kjssf.2013.46.6.659

Cited by 19 publications

(7 citation statements)

References 9 publications

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“…In the leaves of red pepper and Oplopanax elatus exposed to drought stress, the values of chlorophyll fluorescence parameters such as ABS/RC, DIo/RC, and TRo/RC appeared high, while the values of parameters such as Fv/Fm, ETo/TRo, ETo/ABS, Pi_ABS, and ETo/RC appeared low (Yoo et al, 2013;Lee et al, 2014). The increases in ABS/RC, DIo/RC, and TRo/RC, which represent the energy flux in photochemical reaction center, indicate that the reaction center is inactive (Falqueto et al, 2010;Spoustová et al, 2013).…”

Section: Difference In Chlorophyll Fluorescence By Dry and Wet Shippingmentioning

confidence: 96%

Effects of Dry and Wet Shipping Conditions on Quality, Vase Life, and Physiological Responses of Chrysanthemum morifolium ‘Baekma’ Cut Flowers

Roh¹,

Kim²,

Yoo³

2020

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This study was conducted to identify the effects of NaOCl, ClO 2 , and Chrysal OVB, which are the solutions used for shipping, on the quality and vase life of chrysanthemum 'Baekma' cut flowers. We also aimed to analyze correlations with vase life by analyzing chlorophyll fluorescence and spectral reflectance of cut flowers subjected to dry and wet shipping. Compared to dry shipping, the wet shipping treatments using solutions of NaOCl, ClO 2 , and Chrysal OVB resulted in an increase of fresh weight and flower width, with the leaves remaining in fresh states after transport for 4 days. In holding solution, the cut flowers transported with 50 mg•L -1 NaOCl had a greater fresh weight and flower diameter as well as a longer vase life of 26 days compared with dry and wet shipping conditions with tap water, ClO 2 , and Chrysal OVB solution. The cut flowers treated with wet shipping conditions by NaOCl had lower values of ABS/RC and DIo/RC and higher values of Fm/Fo, Fv/Fo, Fv/Fm, TRo/ABS, ETo/TRo, ETo/ABS, Pi_ABS, and ETo/RC among chlorophyll fluorescence parameters compared to those subjected to dry shipping conditions. Among the parameters, the Fv/Fm and ETo/RC exhibited statistically significant correlations with the vase life of cut flowers. In terms of spectral reflectance, the wet shipping treatment with 50 mg•L -1 NaOCl resulted in lower values of CRI, G, MCARI, NPCI, and SIPI that represent the ratio of contents of carotenoid and chlorophyll compared to the dry shipping treatment, whereas SRPI resulted in higher values. Among these parameters, the CRI, SRPI, and NPCI manifested a statistically significant correlation with vase life of cut flowers. Therefore, it was concluded that wet shipping with 50 mg•L -1 NaOCl helped maintain quality and vase life of cut flowers of chrysanthemum 'Baekma' compared to dry or wet shipping with Chrysal OVB and ClO 2 that were used commercially. In addition, the Fv/Fm and ETo/RC, representing chlorophyll fluorescence, and CRI, SRPI, and NPCI, representing spectral reflectance, were found to be feasible indicators predicting the vase life of cut flowers.

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Section: Difference In Chlorophyll Fluorescence By Dry and Wet Shippingmentioning

confidence: 96%

Effects of Dry and Wet Shipping Conditions on Quality, Vase Life, and Physiological Responses of Chrysanthemum morifolium ‘Baekma’ Cut Flowers

Roh¹,

Kim²,

Yoo³

2020

HST

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“…그 중 JIP test는 환경조건과 생육상 태에 따라 변화하는 광계Ⅱ의 반응을 조사하는데 적합하다 (Kalaji et al, 2011). JIP test는 엽록소가 암상태를 거치고 원래의 상 태로 돌아오는 형광유발 시점(Origin) 이후 최소 형광변동 지점(Jump)을 지나 형광 중간수준(Intermediate)에서 최대 형광점에 서의 형광유도량(Peak)을 표현하는 방식으로 OJIP(Origin Jump Intermediate Peak)라고 부른다 (Govindjee, 1995;Yoo et al, 2013). OJIP는 광계Ⅱ의 광화학적 활성상태를 알아내기에 적합하고 (Schansker et al, 2006), 엽록소형광 지수는 단독으로 측 정되는 것보다 OJIP 단계별로 측정된 값이 그 활성상태를 더 정확하게 설명한다 (Force et al, 2003;Živčák et al, 2008) (Baker and Rosenqvist, 2004).…”

Section: 엽록소형광 기법은 스트레스에 의한 광합성 변화를 비파괴적으로 대량 분석할 수 있어 생물적•비생물적 스트레스에...unclassified

“…PI ABS 는 광계Ⅱ의 광에너지 흡수 능력, 전자전달효율 및 전자고정효율의 세 가지 광합성 활성 정도를 통합적으로 나타낸 지수로 (Thach et al, 2007) 광합성 기구의 전반적인 활력도를 나타낸다 (Strasser et al, 2000;Živčák et al, 2008). (Yoo et al, 2013). x Non-grafted treatment.…”

Section: 엽록소형광 기법은 스트레스에 의한 광합성 변화를 비파괴적으로 대량 분석할 수 있어 생물적•비생물적 스트레스에...unclassified

Rootstock Performance of Cherry Tomatoes Grown in Soil Cultivation: Evaluation of Growth, Yield, and Photosynthesis

Lee,

Cho

et al. 2022

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Grafted seedlings have widely been used in fruit vegetables such as tomatoes in order to increase productivity by acquiring resistance to environmental stress and soil-borne diseases. This study was conducted to assess the performance of rootstocks by comparatively analyzing the growth, yield, and photosynthetic efficiency, by measuring chlorophyll fluorescence, in cherry tomatoes grown in soil cultivation. The cherry tomato variety 'Nonari' was used as the scion. The domestic rootstock cultivars 'Powerguard', 'IT173773', '20LM', and a control cultivar 'B-blocking' were grafted with the scion. When using the rootstock cultivar '20LM' grafted with cherry tomato 'Nonari', the yield was 15% higher than the yield using the control rootstock cultivar, and the performance index based on the absorption (PI ABS ), which is an index of plant vitality, was as much as 3.260 higher with '20LM' than with the control rootstock even in the low temperature period. The rootstock '20LM' maintained the plant vigor with balanced growth until the late harvest because its photosynthetic efficiency was high even when exposed to cold stress in the early stage. The growth strength of the non-grafted cherry tomato decreased to 7.3mm at 80 days after planting. The grafted cherry tomatoes had greater cold stress tolerance than the non-grafted cherry tomatoes because they had stronger roots. In contrast, the non-grafted cherry tomato plants were damaged by cold, which inhibited growth and led to a decrease in fruit yield. When 'Powerguard' and 'IT173773' were grafted with the scion, the yield was low, which might have been due to the low photosynthetic efficiency in the late harvest stage; the chlorophyll fluorescence OJIP transients (OJIP curves) of the plants with 'Powerguard' and 'IT173773' rootstocks were lower than those of the other grafted plants. There

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“…수 있었다. 지금까지 엽록소 형광매개변수를 이용한 식물의 건전성 평가에 최대형광값/최소형광값 비(F M /F O ratio)와 광계II 최대 양자수득률을 나타내는 변동형광값/최대형광값 비 (F V /F M Ratio)와 같은 암적응 형광매개변수가 보편적으로 사 용되어왔다(Paillotin 1976;Govindjee 1995Govindjee , 2004Yoo et al 2013). 그러나 본 연구의 차광 조건에서 6종의 식물 모 두 변동형광값/최대형광값 비 (F V /F M Ratio)와 광합성계 II 전자전달 에너지 플럭스 (ET2o/RC)의 감소 현상은 나타 나지 않은 것으로 확인되었다.모든 식물에서 차광에 의한 생장의 차이가 나타났는데, 이 중 꽃범의꼬리와 무늬사초, 수호초는 차광환경에서 생장 이 더 좋았던 반면, 감국과 노루오줌은 웃자라는 현상이 나타났다.…”

unclassified

Selection of Urban Shade Tolerant Ground Cover Plant Through Photochemical Assessment

Han

Yoo²

2020

Korean J. Soil. Sci. Fert.

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In this study, we performed to selection of urban shade tolerant ground cover plant through growth and photochemical reaction analysis. Plants that are not properly planted according to their biological requirements under different growth conditions cause several problems such as poor growth and withering, which wastes an enormous amount of time and budget for maintenance. Multi-layer planting is designed to ensure vegetation resources that lack mobility have their native ecological characteristics, respond to different living environments and show different growth patterns as they are affected by factors such as sunlight on the ground and underground moisture. Against this backdrop, this study aimed to provide base information for planting designs through the evaluation of the growth and photochemical reaction of plants under different partial shading conditions. The results of this study are expected to be utilized in planning and designing planting to reduce factors that may cause flaws in landscape planting and minimize the burden of maintenance. Under different shading conditions (0%, 50% and 80% shading), distinct changes in the growth of plants were observed. Pachysandra terminalis 'Variegata', Physostegia virginiana, Carex maculata, Veronica linariifolium are recommended to be planted in 50% -80%-shading spaces. We performed to evaluate and analyze the growth and light utilization efficiency of garden plants in the shade area through chlorophyll fluorescence reaction analysis. Under shading, the fluorescence parameter related with electron-transport in photosystem II, ET2O/RC was effectively enhanced whereas the electron transport flux until PSI acceptors per reaction center (RE1o/RC) reduced. In addition, some photochemical parameters such as RC/ABS, RE1O/RC, DIo/RC, DFTOTAL ABS were important for the determination of shade tolerance. On the basis of these results, the shade tolerant index deduced from growth and photochemical parameters were useful for an evaluation of shading stress in urban ground cover plants.

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Photochemical Response Analysis on Drought Stress for Red Pepper (Capsiumannuum L.)

Cited by 19 publications

References 9 publications

Effects of Dry and Wet Shipping Conditions on Quality, Vase Life, and Physiological Responses of Chrysanthemum morifolium ‘Baekma’ Cut Flowers

Effects of Dry and Wet Shipping Conditions on Quality, Vase Life, and Physiological Responses of Chrysanthemum morifolium ‘Baekma’ Cut Flowers

Rootstock Performance of Cherry Tomatoes Grown in Soil Cultivation: Evaluation of Growth, Yield, and Photosynthesis

Selection of Urban Shade Tolerant Ground Cover Plant Through Photochemical Assessment

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