Screening of tomato landraces for drought tolerance based on growth and chlorophyll fluorescence analyses
| Autor: | Joaquín Medina, Seyyed Javad Mousavizadeh, Kambiz Mashayekhi, Sasan Aliniaeifard, Vahid Akbarpour, Naeimeh Sousaraei |
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| Přispěvatelé: | University of Tehran, Sousaraei, Naeimeh [0000-0001-6216-2871], Mashayekhi, Kambiz [0000-0003-1205-7277], Mousavizadeh, Seyyed Javad [0000-0002-2549-5906], Medina, Joaquín [0000-0002-1735-330X], Aliniaeifard, Sasan [0000-0001-9572-2839], Sousaraei, Naeimeh, Mashayekhi, Kambiz, Mousavizadeh, Seyyed Javad, Medina, Joaquín, Aliniaeifard, Sasan |
| Rok vydání: | 2021 |
| Předmět: |
0106 biological sciences
0301 basic medicine Photoinhibition biology Duncan’s multiple range test Vegetative reproduction Water stress Drought tolerance Plant physiology Plant Science Horticulture biology.organism_classification 01 natural sciences 03 medical and health sciences 030104 developmental biology OJIP-test Solanum Photosynthesis Chlorophyll fluorescence Water content Untapped genetic resources 010606 plant biology & botany Biotechnology Hybrid |
| Zdroj: | Digital.CSIC. Repositorio Institucional del CSIC instname |
| Popis: | To investigate the effects of water withholding on 17 tomato (Solanum lycopersicum L.) landraces collected from different climatic zones of Iran and two commercial hybrids, the polyphasic OJIP fluorescence transient, relative water content (RWC), electrolyte leakage (EL) and vegetative growth parameters were analyzed. Duncan’s multiple range test (DMRT) for all the studied parameters and drought factor index (DFI) based on performance index on the absorption basis (PIabs) were used for screening the plants based on their tolerance to drought condition. Result showed that compared to the control plants, vegetative growth parameters, RWC, PIabs, relative maximal variable fluorescence (FM/F0), maximum quantum efficiency of PSII (FV/FM), quantum yield of electron transport (ΦE0) and electron transport flux per reaction center (RC) (ET0/RC) were decreased, whereas, EL, quantum yield of energy dissipation (ΦD0), specific energy fluxes per RC for energy absorption (ABS/RC) and dissipated energy flux (DI0/RC), which are closely related to the incidence of photoinhibition were increased in plants exposed to water withholding. DMRT and DFI screening results clearly categorized the landraces into three groups (tolerant, moderately sensitive and sensitive). Tolerant landraces showed less change for most of the measured parameters compared to sensitive and moderately sensitive landraces. We found that adapted landraces to dry climates had a higher tolerance to drought stress. Principal component analysis (PCA) revealed that FM/F0, FV/FM, ΦE0, ΦD0, PIabs, ABS/RC, ET0/RC and DI0/RC parameters are the most sensitive parameters for detection of impact of drought stress on tomato plants. In conclusion, the eight parameters have the potential to identify the drought injury in tomato seedlings. The authors thanked the Gorgan University of Agricultural Sciences and Natural Resource, Iran for providing research facilities and fund. The study would not have been possible without the generous and willing cooperation of staff and people of Abureihan Campus, University of Tehran, Iran. |
| Databáze: | OpenAIRE |
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