Improvement of seed germination in winter strawberry (Rubus buergeri Miq.)

IF 2.4 3区农林科学 Q1 Agricultural and Biological Sciences Horticulture Environment and Biotechnology Pub Date : 2024-03-16 DOI:10.1007/s13580-023-00594-z

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Abstract

Seeds of winter strawberry (Rubus buergeri Miq.) germinate at a low rate over an extended period due to their hard coat and deep dormancy. This study compared the effects of different physicochemical treatments on the germination rate and duration of the germination period of winter strawberry seeds. Seeds were treated by sandpaper scarification, sulfuric acid (H₂SO₄) scarification, and gibberellic acid (GA₃). Of these physicochemical treatments, sandpaper scarification produced the greatest improvement to the germination rate and shortening of the germination period. Treatment with GA₃ also produced positive effects, albeit to a lesser level. By contrast, sulfuric acid scarification decreased the germination rate relative to the control group. Although GA₃ treatment had positive effects on true leaf formation and subsequent growth of seedlings, sandpaper scarification was the most effective method of inducing true leaf formation within a short period and, subsequently, for ensuring normal growth. Sandpaper scarification of seed resulted in > 90% germination, representing an approximately 80% improvement compared with the control group by week 6. Moreover, true leaves emerged in ~ 70% of seedlings within 6 weeks. Sandpaper scarification was thus a very effective seed treatment, not only for improving the germination rate and shortening the germination period of winter strawberry seeds but also for producing healthy seedlings.

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提高冬草莓（Rubus buergeri Miq.）

摘要冬季草莓（Rubus buergeri Miq.）种子由于外皮坚硬、休眠期较长，发芽率较低。本研究比较了不同理化处理对冬草莓种子发芽率和发芽期的影响。对种子进行了砂纸结疤、硫酸（H2SO4）结疤和赤霉素（GA3）处理。在这些理化处理方法中，砂纸结疤法对发芽率的提高和发芽期的缩短效果最好。GA3 处理也产生了积极效果，但程度较低。相反，与对照组相比，硫酸结疤会降低发芽率。虽然 GA3 处理对真叶形成和秧苗随后的生长有积极影响，但砂纸划痕是在短期内诱导真叶形成并确保随后正常生长的最有效方法。对种子进行砂纸划痕处理后，第 6 周的发芽率达到 90%，与对照组相比提高了约 80%。此外，约 70% 的幼苗在 6 周内长出了真叶。因此，砂纸划痕是一种非常有效的种子处理方法，不仅能提高冬草莓种子的发芽率，缩短发芽期，还能培育出健康的幼苗。

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来源期刊

Horticulture Environment and Biotechnology Agricultural and Biological Sciences-Horticulture

CiteScore

4.30

自引率

4.20%

发文量

审稿时长

6 months

期刊介绍： Horticulture, Environment, and Biotechnology (HEB) is the official journal of the Korean Society for Horticultural Science, was launched in 1965 as the "Journal of Korean Society for Horticultural Science". HEB is an international journal, published in English, bimonthly on the last day of even number months, and indexed in Biosys Preview, SCIE, and CABI. The journal is devoted for the publication of original research papers and review articles related to vegetables, fruits, ornamental and herbal plants, and covers all aspects of physiology, molecular biology, biotechnology, protected cultivation, postharvest technology, and research in plants related to environment.