Salinity stress is a key factor aff ecting grape production in coastal areas. Two grape rootstock cultivars, ‘Beta’ (sensitive to salt stress) and ‘3309 C’ (resistant to salt stress), were used to investigate the physiological role of 5-amino...
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https://www.riss.kr/link?id=A108565612
Zheng Weiwei (Key Laboratory of Quality and Safety Control for Subtropical Fruit and VegeTable, Ministry of Agriculture and Rural Aff airs, Collaborative Innovation Center for Effi cient and Green Production of Agriculture in Mountainous Areas of Zhejiang Prov) ; Tian Yuting (Key Laboratory of Quality and Safety Control for Subtropical Fruit and VegeTable, Ministry of Agriculture and Rural Aff airs, Collaborative Innovation Center for Effi cient and Green Production of Agriculture in Mountainous Areas of Zhejiang Prov) ; Shi Haili (Key Laboratory of Quality and Safety Control for Subtropical Fruit and VegeTable, Ministry of Agriculture and Rural Aff airs, Collaborative Innovation Center for Effi cient and Green Production of Agriculture in Mountainous Areas of Zhejiang Prov) ; Chen Miaomiao (Key Laboratory of Quality and Safety Control for Subtropical Fruit and VegeTable, Ministry of Agriculture and Rural Aff airs, Collaborative Innovation Center for Effi cient and Green Production of Agriculture in Mountainous Areas of Zhejiang Prov) ; Hong Seungbeom (Department of Biotechnology , University of Houston Clear Lake , 77058-1098 Houston , TX , USA) ; Xu Kai (Key Laboratory of Quality and Safety Control for Subtropical Fruit and VegeTable, Ministry of Agriculture and Rural Aff airs, Collaborative Innovation Center for Effi cient and Green Production of Agriculture in Mountainous Areas of Zhejiang Prov) ; Cheng Jianhui (Institute of Horticulture , Zhejiang Academy of Agricultural Sciences , 310022 Hangzhou , Zhejiang , China) ; Zang Yunxiang (Key Laboratory of Quality and Safety Control for Subtropical Fruit and VegeTable, Ministry of Agriculture and Rural Aff airs, Collaborative Innovation Center for Effi cient and Green Production of Agriculture in Mountainous Areas of Zhejiang Prov)
2023
English
KCI등재,SCIE,SCOPUS
학술저널
179-191(13쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
Salinity stress is a key factor aff ecting grape production in coastal areas. Two grape rootstock cultivars, ‘Beta’ (sensitive to salt stress) and ‘3309 C’ (resistant to salt stress), were used to investigate the physiological role of 5-amino...
Salinity stress is a key factor aff ecting grape production in coastal areas. Two grape rootstock cultivars, ‘Beta’ (sensitive to salt stress) and ‘3309 C’ (resistant to salt stress), were used to investigate the physiological role of 5-aminolevlinic acid (5-ALA) in salinity tolerance. Functional capacities in the rhizosphere, leaf phenotype, photosynthetic parameters, antioxidant enzymes activities and certain physiological indexes were determined after treatment with seawater or seawa- ter followed by 100 mg/L 5-ALA application. The results showed that the functional capacities of the rhizosphere were distinct between the two management regimes. Microbial biomass and soil enzyme activities were reduced by salinity but promoted by 5-ALA. Salinity also suppressed the overall plant growth, leaf chlorophyll content, photosynthetic rate, maxi- mal photochemical effi ciency (Fv/Fm), photochemical quenching (qP), electron transport rate (ETR), root activity, ATP content, ATPase activity, and activities of the antioxidant enzymes ascorbate peroxidase (APX), peroxidase (POD), cata- lase (CAT), and superoxide dismutase (SOD) in both cultivars. Although plant growth, chlorophyll content, and activities of antioxidant enzymes in Beta were decreased to a greater extent than those in 3309 C under salinity stress, exogenous application of 5-ALA signifi cantly improved plant growth along with enhancement of all the above photosynthetic param- eters and activities of the four antioxidant enzymes in both cultivars. Seawater treatment alone signifi cantly increased non- photochemical quenching (NPQ), relative electrical conductivity (REC), and malondialdehyde (MDA) contents in leaves, especially for Beta. However, 5-ALA treatment decreased the levels of NPQ, REC, and MDA, but increased ATP content and ATPase activity in roots and leaves of both cultivars. Thus, application of 5-ALA would be benefi cial to improve the salt tolerance of grape rootstocks grown in coastal areas.
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