Cold stratification of seeds prior to planting is required to break dormancy
Is it true that cold stratification of seeds prior to planting is required to break dormancy?
Yes. Multiple studies demonstrate that cold stratification is a necessary or highly effective treatment to overcome physiological seed dormancy across a wide variety of plant species.
Verdict: SUPPORTED · 7 sources for, 0 against · Last checked
The retrieved literature consistently shows that cold stratification is required or extremely effective for breaking seed dormancy in various species, with multiple papers explicitly stating its necessity for germination. No papers refute this claim.
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Kim, S. Y., Warpeha, K., & Huber, S. (2019). The brassinosteroid receptor kinase, BRI1, plays a role in seed germination and the release of dormancy by cold stratification.. doi.org. https://doi.org/10.1016/j.jplph.2019.153031
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Rosbakh, S., Hülsmann, L., Weinberger, I., Bleicher, M., & Poschlod, P. (2019). Bleaching and cold stratification can break dormancy and improve seed germination in Cyperaceae. doi.org. https://doi.org/10.1016/J.AQUABOT.2019.103128
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Liu, H., Yuan, J., Wu, H., Ou, X., Liu, Z., Liu, X., & He, S. (2024). Hormonomics profiles revealed the mechanisms of cold stratification in breaking the dormancy during seed germination and emergence process of Polygonatum sibiricum Red. doi.org. https://doi.org/10.1080/15592324.2024.2447460
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Cooper, G. A., Bolwerk, G. A., Leffler, A. J., & Perkins, L. B. (2024). Seed dormancy, germination requirements, and implications of herbicides for Penstemon albidus and P. nitidus. doi.org. https://doi.org/10.1111/rec.14228
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El-Yazal, S. A. S., EI-Shew, A. A. E., & EI-Yazal, M. A. S. (2021). Impact of seed cold stratification on apricot germination and subsequent seedling growth as well as chemical constituents of seeds during stratification. doi.org. https://doi.org/10.15406/hij.2021.05.00222
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El-Yazal, M. A. S. & El-Yazal, S. A. S. (2021). Chilling-Requirement Release of Seed and Bud Dormancy in Apricot. doi.org. https://doi.org/10.18052/www.scipress.com/jhpr.14.1
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T, O., C, A., M, S., GE, O., EN, T., Ş, B., & T, Y. (2026). Modeling the Effect of Cold Stratification on Seed Germination Performance of <i>Rudbeckia fulgida</i> Aiton Using Response Surface Methodology (RSM).. doi.org. https://doi.org/10.3390/plants15020220
What does the evidence say?
The retrieved literature consistently shows that cold stratification is required or extremely effective for breaking seed dormancy in various species, with multiple papers explicitly stating its necessity for germination. No papers refute this claim.
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