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Hydrogen Peroxide Imbibition Following Cold Stratification Promotes Seed Germination Rate and Uniformity in Peach cv. GF305

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Group of Fruit Trees Biotechnology, Department of Plant Breeding, CEBAS-CSIC, Campus Universitario de Espinardo, 25, 30100 Murcia, Spain
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Group of Plant Hormones, Department Plant Nutrition, CEBAS-CSIC, Campus Universitario de Espinardo, 25, 30100 Murcia, Spain
*
Author to whom correspondence should be addressed.
Academic Editor: Valeria Cavallaro
Seeds 2022, 1(1), 28-35; https://doi.org/10.3390/seeds1010004
Received: 14 December 2021 / Revised: 29 December 2021 / Accepted: 1 January 2022 / Published: 5 January 2022
(This article belongs to the Special Issue Seed Priming Approaches That Achieve Environmental Stress Tolerance)
(1) Background: Peach cv. GF305 is commonly used in breeding programs due to its susceptibility to numerous viruses. In this study, we aimed to achieve a methodology for rapid and uniform seed germination of peach cv. GF305 in order to obtain vigorous seedlings; (2) Methods: A combination of cold stratification and H2O2 imbibition was tested on peach seeds with or without endocarp. In addition, the levels of non-enzymatic antioxidants ascorbate and glutathione as well as the hormone profile in seedling roots and shoots were determined; (3) Results: We found that H2O2 imbibition of peach seeds without endocarp after 8 weeks of stratification increased germination rate and resulted in seedlings displaying good vegetative growth. The H2O2 imbibition also affected the levels of ascorbate, glutathione, and the phytohormones abscisic acid and jasmonic acid in peach seedlings; (4) Conclusions: Although stratification periods of 12 weeks have been previously established as being appropriate for this cultivar, we have been able to reduce this stratification time by up to 4 weeks, which may have practical implication in peach nurseries. View Full-Text
Keywords: ascorbate; endocarp removal; hydrogen peroxide; glutathione; peach; phytohormones; seed germination; stratification ascorbate; endocarp removal; hydrogen peroxide; glutathione; peach; phytohormones; seed germination; stratification
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MDPI and ACS Style

Barba-Espín, G.; Hernández, J.A.; Martínez-Andújar, C.; Díaz-Vivancos, P. Hydrogen Peroxide Imbibition Following Cold Stratification Promotes Seed Germination Rate and Uniformity in Peach cv. GF305. Seeds 2022, 1, 28-35. https://doi.org/10.3390/seeds1010004

AMA Style

Barba-Espín G, Hernández JA, Martínez-Andújar C, Díaz-Vivancos P. Hydrogen Peroxide Imbibition Following Cold Stratification Promotes Seed Germination Rate and Uniformity in Peach cv. GF305. Seeds. 2022; 1(1):28-35. https://doi.org/10.3390/seeds1010004

Chicago/Turabian Style

Barba-Espín, Gregorio, José A. Hernández, Cristina Martínez-Andújar, and Pedro Díaz-Vivancos. 2022. "Hydrogen Peroxide Imbibition Following Cold Stratification Promotes Seed Germination Rate and Uniformity in Peach cv. GF305" Seeds 1, no. 1: 28-35. https://doi.org/10.3390/seeds1010004

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