Effect of prechilling and exogenous gibberellin on seed germination of Primulina eburnea: a calcium-rich vegetable

IF 1.7 4区 农林科学 Q2 AGRONOMY Seed Science and Technology Pub Date : 2023-01-01 DOI:10.15258/sst.2023.51.1.01
Yi Zhang, Chuanhua Fu, Rongrong Zhou, Zi-Yu Liu, Chen Feng
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引用次数: 2

Abstract

Calcium-rich food and calcium supplements are expensive, especially for people in developing countries. Primulina eburnea is a calcium-rich vegetable with a high soluble calcium content in its leaves. In this study, we investigated the effects of prechilling and exogenous gibberellin on P. eburnea seed germination. Our results showed that both prechilling time and exogenous gibberellin affect P. eburnea seed germination. Three days prechilling increased germination percentage by 20.7-40.6%; mean germination time and time to first germination were reduced, indicating faster germination. A longer cold treatment enhanced the germination percentage but delayed the germination time. Prechilled P. eburnea seeds germinated 17.3-40.6% more when they were treated with GA3, but high GA3 did not shorten the germination time. Combination of three days prechilling and 50 ppm GA3 is the optimal treatment for P. eburnea seed germination. This research provides a powerful tool to accelerate breeding and cultivating this calcium-rich vegetable.
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预冷和外源赤霉素对富钙蔬菜报春花种子萌发的影响
富含钙的食物和钙补充剂很昂贵,尤其是对发展中国家的人来说。报春花是一种富含钙的蔬菜,其叶片中可溶性钙含量高。本研究研究了预冷和外源赤霉素对赤霉素种子萌发的影响。结果表明,预冷时间和外源赤霉素均影响赤霉素种子的萌发。预冷3 d使发芽率提高20.7 ~ 40.6%;平均发芽时间和第一次发芽时间缩短,表明发芽速度加快。较长时间的冷处理提高了种子的发芽率,但延迟了种子的萌发时间。经GA3处理后,预冷后的青豆种子萌发率提高17.3% ~ 40.6%,但高GA3含量并没有缩短发芽时间。预冷3 d和50 ppm GA3的组合处理是对黑荆种子萌发的最佳处理。本研究为加快这种富钙蔬菜的育种和栽培提供了有力的工具。
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来源期刊
Seed Science and Technology
Seed Science and Technology 农林科学-农艺学
CiteScore
3.00
自引率
28.60%
发文量
36
审稿时长
>36 weeks
期刊介绍: Seed Science and Technology (SST) is an international journal featuring original papers and articles on seed quality and physiology related to seed production, harvest, processing, sampling, storage, genetic conservation, habitat regeneration, distribution and testing. A journal that meets the needs of researchers, advisers and all those involved in the improvement and technical control of seed quality. Published every April, August and December.
期刊最新文献
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