Biometric Characterization and Morphophysiological Quality of Peach Rootstock Seeds Using Images of their Seedling Vigor.

Q1 Agricultural and Biological Sciences
Aline G Souza, Oscar J Smiderle, Valmor J Bianchi
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引用次数: 2

Abstract

Background: This study aimed to evaluate the efficiency of using the computerized imaging Seed Analysis System (SAS) in the biometric and morphophysiological characterization of seeds and the initial growth of seedlings from peach rootstocks.

Methods: The experimental design was completely randomized with five replicates of 20 seeds. The variables analyzed were the seed humidity content, length and width of seeds measured by SAS technology and manual measurements, mean germination time, germination percentage, radicle length and width, taproot length, length of the aerial part and taproot/aerial part ratio.

Results: The highest seed length, germination percentage (100%) and lower germination time (11.3), were obtained with the cv. Capdeboscq while, 'Tsukuba 1', 2' and 3' had intermediate seedlings length, varying from 1.55 to 1.65 cm with mean germination times between 14.5 and 18.0 days and average germination percentage of 96%. The computerized analysis of images is fast and efficient for biometric evaluations such as seed width and length, as well as initial growth of peach tree seedlings. The cvs Capdeboscq, Flordaguard and Tsukuba 2 presented greater radicle width, length and a mean taproot/aerial part ratio equal to 2, as well as higher number of adventitious roots, which indicated a strong positive correlation between radicle length, taproot length and initial seedling growth.

Conclusion: The continuity of the research will certainly allow the development of reliable procedures for other species, besides allowing the identification of wider alternatives for the use of this system for the expansion of knowledge in the areas of physiology and evaluation of the physiological potential of seeds.

利用幼苗活力图像对桃源种子进行生物特征鉴定及形态生理品质研究。
背景:本研究旨在评价利用计算机成像种子分析系统(SAS)对桃源砧木种子的生物特征和形态生理特征及幼苗生长初期的有效性。方法:试验设计为完全随机设计,5个重复,每重复20粒种子。分析的变量包括种子湿度含量、SAS技术测定的种子长度和宽度、人工测定的种子长度和宽度、平均发芽时间、发芽率、胚根长度和宽度、主根长度、地上部分长度和主根/地上部分比。结果:不同处理的种子长最高,发芽率最高(100%),萌发时间最低(11.3)。而‘筑波1号’、‘筑波2号’和‘筑波3号’的幼苗长度在1.55 ~ 1.65 cm之间,平均发芽期在14.5 ~ 18.0 d之间,平均发芽率为96%。通过对图像的计算机化分析,可以快速有效地对桃树种子的宽度、长度以及幼苗的初始生长进行生物特征评估。Capdeboscq、Flordaguard和筑波2号的根宽、根长较大,主根/地上部平均比值为2,不定根数量较多,表明根长、主根长与初苗生长有较强的正相关关系。结论:这项研究的连续性肯定会为其他物种开发可靠的程序,除了允许确定更广泛的替代方案,使用该系统来扩展生理学领域的知识和评估种子的生理潜力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Recent patents on food, nutrition & agriculture
Recent patents on food, nutrition & agriculture Agricultural and Biological Sciences-Agronomy and Crop Science
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