ipê-mirim苗木生产中的播种时间和基质

IF 16.4 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY
M. Ferraz, Antonio Maricélio Borges de Souza, Carla Rafaele Xavier Costa, Ana Carolina Corrêa Muniz, E. Loureiro, K. F. L. Pivetta
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引用次数: 1

摘要

摘要Tecoma stans在巴西被普遍称为ipê-mirim。本种属于大花科,原产于美洲和安的列斯群岛,在那里被广泛用作城市树木。幼苗是由种子产生的,有几个因素影响其发育,如播种时间和基质。这项工作旨在了解播种时间和基质对Tecoma stans幼苗生产的影响。实验是在托儿所进行的。实验设计完全随机。基质采用2×6因子方案,两次播种(秋季和春季)和六种商品基质(SC1、SC2、SC3、SC4、沙子和蛭石),4个重复,每个小区10个幼苗。使用Tukey检验对平均值进行了比较(p<0.05)。一年中的季节之间存在显著差异,表明春季的出苗率更高(89%)。Tecoma stans的幼苗在幼苗的出现和随后的幼苗发育中都表现出营养依赖性,因为在商业基质中获得了所研究特征的最高平均值,因为它们的成分中含有营养物质,更强调SC1。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Sowing time and substrate in the production of ipê-mirim seedlings
Abstract Tecoma stans is popularly known as ipê-mirim in Brazil. This species belongs to the Bignoniaceae family and it is native to Americas and Antilles, where it is widely used in landscaping as urban tree. The seedlings are produced from seeds and there are several factors that influences its development, such as the sowing time and the substrate. This work aimed to understand the effect of the sowing time and substrates on the production of Tecoma stans seedlings. The experiments were carried out in a nursery. The experimental design was completely randomized. The substrates were arranged in a 2 × 6 factorial scheme, two sowing times (autumn and spring) and six commercial substrates (SC1; SC2; SC3; SC4; sand and vermiculite) under four replicates and ten seedlings per plot. The means were compared to each other using the Tukey test (p < 0.05). There was a significant difference between the seasons of the year, showing that the percentage of emergence was higher in spring (89%). The seedlings of Tecoma stans were shown to be nutrient-dependent both in the emergence of the seedling and in the subsequent development of the seedlings, since the highest averages of the studied characteristics were obtained in the commercial substrates, as they have nutrients in their composition, with greater emphasis on SC1.
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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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