Characterizing Diploid and Tetraploid Potato Cultivars with Reflectance Spectroscopy

IF 2.3 3区 农林科学 Q1 AGRONOMY
Juan Carlos Marín-Ortiz, Lilliana María Hoyos-Carvajal, Verónica Botero-Fernández, Oscar de Jesús Córdoba-Gaona, Carlos Felipe Barrera-Sanchez
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Abstract

Characterizing potato cultivars is essential for diagnosing the specific production and management requirements. Employing techniques that facilitate rapid, objective, and cost-effective identification of various aspects of plant physiology is crucial for generating this valuable information. In this study, our goal was to identify different potato cultivars across three distinct phenological phases utilizing reflectance spectroscopy within the visible and near-infrared ranges. Reflectance spectra were measured using a portable spectrometer on leaves obtained from five different potato cultivars. We constructed classification models to determine the accurate classification percentages for each cultivar within specific phenological stages. General trends in the reflectance spectra were observed, which were consistent across all five cultivars within the measured range. During the vegetative phase, there was a uniform reflectance of around 5% in the green region. This value experienced a slight decrease during the flowering phase and subsequently rose to approximately 12% during the senescence phase. In the near-infrared (NIR) range, a reduction in reflectance from 50 to 30% was noted during the flowering phase, followed by a cultivar-dependent increase towards senescence. The specific wavelengths identified in the spectra enabled the accurate classification of plants from each cultivar across the vegetative, flowering, and senescence phases. The classification rates were notably high, with a success rate of 87% for Var. Paola, 96% for Var. Paysandú, 93% for Var. Violeta, and 100% for cv. 448 and 440. The Var. Paola exhibited superior correct classification rates, ranging from 85% for Paysandú and Violeta, 90% for cv. 440, to 100% for cv. 448. The characterization of potato cultivars using spectroscopy techniques yields valuable information that serves as fundamental input for precision agriculture systems.

Abstract Image

用反射光谱分析二倍体和四倍体马铃薯栽培品种的特征
确定马铃薯栽培品种的特性对于诊断具体的生产和管理要求至关重要。采用有助于快速、客观和经济有效地鉴定植物生理各方面的技术,对于获得这一宝贵信息至关重要。在本研究中,我们的目标是利用可见光和近红外范围内的反射光谱来识别三个不同物候期的不同马铃薯栽培品种。我们使用便携式光谱仪测量了五个不同马铃薯栽培品种叶片的反射光谱。我们构建了分类模型,以确定每个栽培品种在特定物候期的准确分类百分比。我们观察到反射光谱的总体趋势,这在测量范围内的所有五个栽培品种中都是一致的。在无性生长阶段,绿色区域的均匀反射率约为 5%。在开花期,该值略有下降,随后在衰老期上升到约 12%。在近红外(NIR)范围内,开花期的反射率从 50% 降低到 30%,随后随着衰老期的到来,反射率会随栽培品种的不同而增加。通过光谱中识别出的特定波长,可以对每个栽培品种的植物进行准确的分类,包括植株期、开花期和衰老期。分类率非常高,Var.Paola的成功率为87%,Var.Paysandú的成功率为87%,Var.Violeta 的成功率为 93%,Var.448 和 440 为 100%。Var.Paola 的分类正确率较高,Paysandú 和 Violeta 为 85%,440 为 90%,448 和 440 为 100%。440 的正确率为 90%,448 的正确率为 100%。448.利用光谱技术对马铃薯栽培品种进行特征描述可获得宝贵的信息,作为精准农业系统的基本输入。
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来源期刊
Potato Research
Potato Research AGRONOMY-
CiteScore
5.50
自引率
6.90%
发文量
66
审稿时长
>12 weeks
期刊介绍: Potato Research, the journal of the European Association for Potato Research (EAPR), promotes the exchange of information on all aspects of this fast-evolving global industry. It offers the latest developments in innovative research to scientists active in potato research. The journal includes authoritative coverage of new scientific developments, publishing original research and review papers on such topics as: Molecular sciences; Breeding; Physiology; Pathology; Nematology; Virology; Agronomy; Engineering and Utilization.
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