Timing of systemic resistance induced by local exogenous ABA application within clonal network of stoloniferous herb Centella asiatica subjected to low water availability
Resistance traits of plants can be activated both at the damaged site and undamaged parts. Systemic resistance induced by local exogenous abscisic acid (ABA) application alleviated negative effect of low water availability on growth performance of clonal plant. However, timing of systemic resistance...
| Auteurs principaux: | , , , , , , , , , , , |
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| Format: | Article |
| Langue: | English |
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Frontiers Media S.A.
2024-01-01
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| Collection: | Frontiers in Plant Science |
| Sujets: | |
| Accès en ligne: | https://www.frontiersin.org/articles/10.3389/fpls.2023.1324460/full |
| _version_ | 1827385700956241920 |
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| author | Su-Juan Duan Su-Juan Duan Gui-Jia Sun Yi Dan Jie Deng Dong-Wei Yu Qin Wei Chang-Fan Chen Jie Jiang Xue-Mei Wang Ting-Ju Ren Yong-Mei Liao Jin-Song Chen |
| author_facet | Su-Juan Duan Su-Juan Duan Gui-Jia Sun Yi Dan Jie Deng Dong-Wei Yu Qin Wei Chang-Fan Chen Jie Jiang Xue-Mei Wang Ting-Ju Ren Yong-Mei Liao Jin-Song Chen |
| author_sort | Su-Juan Duan |
| collection | DOAJ |
| description | Resistance traits of plants can be activated both at the damaged site and undamaged parts. Systemic resistance induced by local exogenous abscisic acid (ABA) application alleviated negative effect of low water availability on growth performance of clonal plant. However, timing of systemic resistance was poorly understood. Timing of systemic resistance refers to its activation and decay time within clonal network. Clonal fragment of Centella asiatica with four successive ramets (including first-oldest, second-older, third-old and fourth-young ramets) subjected to low water availability (20% soil moisture content) was used to explore effects of local exogenous ABA application on the timing of resistance activation and decay. Systemic resistance activated by local exogenous ABA application after 4 days remained at least 28 days. Compared with control, biomass accumulation of whole clonal fragment, root biomass and ratio of belowground to aboveground biomass significantly increased by local exogenous ABA application after 28 days. It is suggested that rapid activation and delay of resistance response induced by local exogenous ABA application within clonal network may improve fitness of clonal plant subjected to abiotic stress. |
| first_indexed | 2024-03-08T15:31:26Z |
| format | Article |
| id | doaj.art-3891c1e6d3a34f8c8be60b34ae518750 |
| institution | Directory Open Access Journal |
| issn | 1664-462X |
| language | English |
| last_indexed | 2024-03-08T15:31:26Z |
| publishDate | 2024-01-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Plant Science |
| spelling | doaj.art-3891c1e6d3a34f8c8be60b34ae5187502024-01-10T04:35:25ZengFrontiers Media S.A.Frontiers in Plant Science1664-462X2024-01-011410.3389/fpls.2023.13244601324460Timing of systemic resistance induced by local exogenous ABA application within clonal network of stoloniferous herb Centella asiatica subjected to low water availabilitySu-Juan Duan0Su-Juan Duan1Gui-Jia Sun2Yi Dan3Jie Deng4Dong-Wei Yu5Qin Wei6Chang-Fan Chen7Jie Jiang8Xue-Mei Wang9Ting-Ju Ren10Yong-Mei Liao11Jin-Song Chen12Key Laboratory of Southwest China Wildlife Resources Conservation, China West Normal University, Ministry of Education, Nanchong, ChinaCollege of Life Science, Sichuan Normal University, Chengdu, ChinaShi Fang Municipal People’s Government Office, Deyang, ChinaCollege of Life Science, Sichuan Normal University, Chengdu, ChinaCollege of Life Science, Sichuan Normal University, Chengdu, ChinaCollege of Life Science, Sichuan Normal University, Chengdu, ChinaState Key Laboratory of Grassland Agro-ecosystems, College of Pastoral Agricultural Science and Technology, Lanzhou University, Lanzhou, ChinaCollege of Life Science, Sichuan Normal University, Chengdu, ChinaCollege of Life Science, Sichuan Normal University, Chengdu, ChinaCollege of Life Science, Sichuan Normal University, Chengdu, ChinaCollege of Life Science, Sichuan Normal University, Chengdu, ChinaKey Laboratory of Southwest China Wildlife Resources Conservation, China West Normal University, Ministry of Education, Nanchong, ChinaCollege of Life Science, Sichuan Normal University, Chengdu, ChinaResistance traits of plants can be activated both at the damaged site and undamaged parts. Systemic resistance induced by local exogenous abscisic acid (ABA) application alleviated negative effect of low water availability on growth performance of clonal plant. However, timing of systemic resistance was poorly understood. Timing of systemic resistance refers to its activation and decay time within clonal network. Clonal fragment of Centella asiatica with four successive ramets (including first-oldest, second-older, third-old and fourth-young ramets) subjected to low water availability (20% soil moisture content) was used to explore effects of local exogenous ABA application on the timing of resistance activation and decay. Systemic resistance activated by local exogenous ABA application after 4 days remained at least 28 days. Compared with control, biomass accumulation of whole clonal fragment, root biomass and ratio of belowground to aboveground biomass significantly increased by local exogenous ABA application after 28 days. It is suggested that rapid activation and delay of resistance response induced by local exogenous ABA application within clonal network may improve fitness of clonal plant subjected to abiotic stress.https://www.frontiersin.org/articles/10.3389/fpls.2023.1324460/fullclonal integrationresistance activationresistance delaychlorophyll fluorescencephotosynthetic parameters |
| spellingShingle | Su-Juan Duan Su-Juan Duan Gui-Jia Sun Yi Dan Jie Deng Dong-Wei Yu Qin Wei Chang-Fan Chen Jie Jiang Xue-Mei Wang Ting-Ju Ren Yong-Mei Liao Jin-Song Chen Timing of systemic resistance induced by local exogenous ABA application within clonal network of stoloniferous herb Centella asiatica subjected to low water availability Frontiers in Plant Science clonal integration resistance activation resistance delay chlorophyll fluorescence photosynthetic parameters |
| title | Timing of systemic resistance induced by local exogenous ABA application within clonal network of stoloniferous herb Centella asiatica subjected to low water availability |
| title_full | Timing of systemic resistance induced by local exogenous ABA application within clonal network of stoloniferous herb Centella asiatica subjected to low water availability |
| title_fullStr | Timing of systemic resistance induced by local exogenous ABA application within clonal network of stoloniferous herb Centella asiatica subjected to low water availability |
| title_full_unstemmed | Timing of systemic resistance induced by local exogenous ABA application within clonal network of stoloniferous herb Centella asiatica subjected to low water availability |
| title_short | Timing of systemic resistance induced by local exogenous ABA application within clonal network of stoloniferous herb Centella asiatica subjected to low water availability |
| title_sort | timing of systemic resistance induced by local exogenous aba application within clonal network of stoloniferous herb centella asiatica subjected to low water availability |
| topic | clonal integration resistance activation resistance delay chlorophyll fluorescence photosynthetic parameters |
| url | https://www.frontiersin.org/articles/10.3389/fpls.2023.1324460/full |
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