三角棕榈种子的生物测定与贮藏

IF 16.4 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY
Antonio Maricélio Borges de Souza, G. R. Vieira, André Caturelli Braga, Murilo Paes Patrício, T. Campos, K. F. L. Pivetta
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引用次数: 0

摘要

生物计量学研究被认为是了解种子萌发过程的重要工具。此外,随着时间的推移,棕榈种子的异地保存可能会导致生存能力的丧失。本文研究了巴西园林绿化中广泛应用的三角棕榈(Dypsis decaryi)的生物特征特征及其贮藏对种子萌发的影响。进行了两项独立的研究:1)多聚体的生物特征表征和2)种子萌发过程中储存的影响。生物计量学采用100个聚丙烯酸树脂样品,测量其长度、宽度和厚度。生物特征数据采用描述性统计和相关分析进行分析。将种子装入透明塑料袋中,放入冰箱(20±2℃,80%相对湿度)进行储存评价。实验设计完全随机化。处理包括0、30、60、90、120和150 d 6个贮藏期;重复4次,每小区25粒。测定萌发率和萌发速度指数。一水硬膜的生物特征变化不大,平均长度为18.39 mm,宽度为16.10 mm,厚度为15.96 mm。各生物特征间存在显著正相关。在贮藏30天前,萌发率保持稳定(90%),后期萌发率逐渐下降。种子储存可以保持其活力和发芽能力,在储存150天后达到63%的发芽率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Biometry and storage of Triangle Palm seeds
Abstract Studies on biometry are considered important tools for understanding the germination process of seeds. Moreover, the ex-situ conservation of palm seeds can cause loss of viability over time. The present study aimed to evaluate the biometric characterization and the effect of storage on the seed germination of the Triangle Palm (Dypsis decaryi), a widely used species in Brazilian landscaping. Two independent studies were conducted: I) biometric characterization of diaspores and II) effect of storage in seed germination. For biometry, a sample of 100 diaspores was used and the length, width and thickness were measured. Biometric data were analyzed using descriptive statistics and correlation analysis. The seeds were packed in transparent plastic bags kept in a refrigerator (20 ± 2 ºC and 80% relative humidity) for storage evaluation. The experimental design was entirely randomized. The treatments consisted of six storage periods (0 - control, 30, 60, 90, 120 and 150 days); there were four repetitions and 25 seeds per plot. The germination percentage and germination speed index were evaluated. Diaspores showed little variation in their biometric characteristics, with a mean of 18.39 mm in length, 16.10 mm in width and 15.96 mm in thickness. There was significant and positive correlation between all biometric characteristics. It was observed that germination remained stable until 30 days of storage (90%), with a gradual percentage decrease in later periods. The seed storage allowed to maintain its viability and longevity with the ability to germinate, reaching a germination percentage of 63% after 150 days of storage.
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来源期刊
Accounts of Chemical Research
Accounts of Chemical Research 化学-化学综合
CiteScore
31.40
自引率
1.10%
发文量
312
审稿时长
2 months
期刊介绍: Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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