‘Garnem’ and Myrobalan ‘P.2175’: Two Different Drought Responses and Their Implications in Drought Tolerance
One of the challenges in rootstock breeding programs is the combination of tolerances to different abiotic stresses in new interspecific hybrids adapted to a wide range of environmental conditions. In this work, two <i>Prunus</i> L. rootstocks: Myrobalan ‘P.2175’ (<i>P. cerasifera&...
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| Format: | Article |
| Language: | English |
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MDPI AG
2021-09-01
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| Series: | Horticulturae |
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| Online Access: | https://www.mdpi.com/2311-7524/7/9/299 |
| _version_ | 1829092318116839424 |
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| author | Beatriz Bielsa María Ángeles Sanz María José Rubio-Cabetas |
| author_facet | Beatriz Bielsa María Ángeles Sanz María José Rubio-Cabetas |
| author_sort | Beatriz Bielsa |
| collection | DOAJ |
| description | One of the challenges in rootstock breeding programs is the combination of tolerances to different abiotic stresses in new interspecific hybrids adapted to a wide range of environmental conditions. In this work, two <i>Prunus</i> L. rootstocks: Myrobalan ‘P.2175’ (<i>P. cerasifera</i> Ehrh.) and the almond × peach hybrid ‘Garnem’ (<i>P. amygdalus</i> Batsch × <i>P. persica</i> (L.) Batsch) were subjected to drought during 24 h to understand their drought response mechanisms. The study was conducted monitoring leaf water potential (LWP), stomatal conductance (gs), relative water content (RWC), and electrolyte leakage (EL); as well as the abscisic acid (ABA) content in roots. The relative expression of five drought-relative genes was also studied. The obtained results allowed examining the drought tolerance potential of ‘Garnem’ and Myrobalan ‘P.2175’, demonstrating the great potential of ‘Garnem’ as drought tolerance source in future selections in breeding. Furthermore, based on the obtained data, the transcription factor <i>Myb25-like</i> could be a good biomarker of drought sensitivity for use in <i>Prunus</i> rootstock breeding programs. |
| first_indexed | 2024-03-10T07:36:32Z |
| format | Article |
| id | doaj.art-2b8aea4564f447898fd23b1764660c51 |
| institution | Directory Open Access Journal |
| issn | 2311-7524 |
| language | English |
| last_indexed | 2024-03-10T07:36:32Z |
| publishDate | 2021-09-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Horticulturae |
| spelling | doaj.art-2b8aea4564f447898fd23b1764660c512023-11-22T13:21:23ZengMDPI AGHorticulturae2311-75242021-09-017929910.3390/horticulturae7090299‘Garnem’ and Myrobalan ‘P.2175’: Two Different Drought Responses and Their Implications in Drought ToleranceBeatriz Bielsa0María Ángeles Sanz1María José Rubio-Cabetas2Unidad de Hortofruticultura, Centro de Investigación y Tecnología Agroalimentaria de Aragón (CITA), Avda. Montañana 930, 50059 Zaragoza, SpainÁrea de Laboratorios de Análisis y Asistencia Tecnológica, Centro de Investigación y Tecnología Agroalimentaria de Aragón (CITA), Avda. Montañana 930, 50059 Zaragoza, SpainUnidad de Hortofruticultura, Centro de Investigación y Tecnología Agroalimentaria de Aragón (CITA), Avda. Montañana 930, 50059 Zaragoza, SpainOne of the challenges in rootstock breeding programs is the combination of tolerances to different abiotic stresses in new interspecific hybrids adapted to a wide range of environmental conditions. In this work, two <i>Prunus</i> L. rootstocks: Myrobalan ‘P.2175’ (<i>P. cerasifera</i> Ehrh.) and the almond × peach hybrid ‘Garnem’ (<i>P. amygdalus</i> Batsch × <i>P. persica</i> (L.) Batsch) were subjected to drought during 24 h to understand their drought response mechanisms. The study was conducted monitoring leaf water potential (LWP), stomatal conductance (gs), relative water content (RWC), and electrolyte leakage (EL); as well as the abscisic acid (ABA) content in roots. The relative expression of five drought-relative genes was also studied. The obtained results allowed examining the drought tolerance potential of ‘Garnem’ and Myrobalan ‘P.2175’, demonstrating the great potential of ‘Garnem’ as drought tolerance source in future selections in breeding. Furthermore, based on the obtained data, the transcription factor <i>Myb25-like</i> could be a good biomarker of drought sensitivity for use in <i>Prunus</i> rootstock breeding programs.https://www.mdpi.com/2311-7524/7/9/299abscisic acidosmotic adjustment<i>Prunus</i> spp.rootstockstomatal regulationwater stress |
| spellingShingle | Beatriz Bielsa María Ángeles Sanz María José Rubio-Cabetas ‘Garnem’ and Myrobalan ‘P.2175’: Two Different Drought Responses and Their Implications in Drought Tolerance Horticulturae abscisic acid osmotic adjustment <i>Prunus</i> spp. rootstock stomatal regulation water stress |
| title | ‘Garnem’ and Myrobalan ‘P.2175’: Two Different Drought Responses and Their Implications in Drought Tolerance |
| title_full | ‘Garnem’ and Myrobalan ‘P.2175’: Two Different Drought Responses and Their Implications in Drought Tolerance |
| title_fullStr | ‘Garnem’ and Myrobalan ‘P.2175’: Two Different Drought Responses and Their Implications in Drought Tolerance |
| title_full_unstemmed | ‘Garnem’ and Myrobalan ‘P.2175’: Two Different Drought Responses and Their Implications in Drought Tolerance |
| title_short | ‘Garnem’ and Myrobalan ‘P.2175’: Two Different Drought Responses and Their Implications in Drought Tolerance |
| title_sort | garnem and myrobalan p 2175 two different drought responses and their implications in drought tolerance |
| topic | abscisic acid osmotic adjustment <i>Prunus</i> spp. rootstock stomatal regulation water stress |
| url | https://www.mdpi.com/2311-7524/7/9/299 |
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