Ethanol test to evaluate the physiological quality of forest seeds

IF 1.1 4区 农林科学 Q3 AGRONOMY Journal of Seed Science Pub Date : 2022-01-01 DOI:10.1590/2317-1545v44262959
Fábio Luiz Santos Ornellas, A. O. Sousa, M. N. Araújo, R. M. Barbosa, B. F. Dantas
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引用次数: 1

Abstract

Abstract: Rapid tests that allow the assessment of physiological potential are essential parameters for quality seed and seedling production programs. The aim of this work was to establish parameters of a method for evaluating the vigor of seeds of native species through the analysis of ethanol production, measured with a modified alcohol meter. Six lots of Myracrodruon urundeuva were tested, and for each lot 1.0 g and 2.0 g of seeds were soaked for two, four, six, eight and 24 hours. Seven lots of Cenostigma pyramidale and five lots of Amburana cearensis were tested, where 20 seeds were soaked for two, four, six, eight and 24 h. The physiological quality of the seeds was also evaluated by germination and electrical conductivity tests. The use of 1.0 g of seeds soaked in 0.5 mL of water and evaluation of ethanol at six hours distinguished lots of M. urundeuva in terms of vigor. For C. pyramidale and A. cearensis, 20 seeds soaked in 1.0 mL of water and ethanol evaluation at six hours proved to be more efficient. The ethanol test proved to be fast and accurate, allowing differentiation of lots, as well as germination and electrical conductivity tests.
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用乙醇试验评价森林种子的生理品质
摘要:能够评估生理电位的快速测试是优质种子和幼苗生产计划的重要参数。本工作的目的是通过改进的酒精计测量的乙醇产量分析,建立一种评估本地物种种子活力的方法参数。对6批紫金云母进行试验,每批1.0 g和2.0 g种子分别浸泡2、4、6、8和24小时。以7批玉米玉米和5批玉米Amburana cearensis为试验材料,将20粒种子分别浸泡2、4、6、8和24 h,并通过萌发试验和电导率试验对种子的生理品质进行评价。用1.0 g种子浸泡0.5 mL水,6小时用乙醇评价,对不同品种的活力进行了区分。锥体草和蜡芽草,20粒种子浸泡在1.0 mL的水和乙醇中,6小时后评价效率更高。乙醇测试被证明是快速和准确的,允许区分批次,以及发芽和电导率测试。
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来源期刊
Journal of Seed Science
Journal of Seed Science Agricultural and Biological Sciences-Agronomy and Crop Science
CiteScore
2.00
自引率
30.00%
发文量
28
审稿时长
12 weeks
期刊介绍: From 2017 the Journal of Seed Science (JSS) will circulate online version only. Original scientific studies and communications, not yet published or submitted to another journal for publication and written in Portuguese or English, will be accepted for publication. For manuscripts submitted in English, the authors should provide an adequated version. The SCIENTIFIC COMMUNICATION is a category of scientific manuscript which describes a technique, an equipment, new species or observations and surveys of limited results. It has the same scientific rigor as the “Scientific Articles” and the same value as a publication. The classification of a manuscript as a SCIENTIFIC COMMUNICATION is based on its content and scientific merit but it can be a preliminary study, simple and not definitive on a certain subject, with publication justified by its uniqueness and contribution to the area. The Editorial Board of the JSS may invite leading authors of recognized reputation to compose specific Review Articles covering topics of their specialization that will convey to the scientific community the state-of-the-art knowledge related to the specific theme.
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