近红外光谱法检测芒果收获后早期炭疽病的能力

IF 2.4 3区 农林科学 Q1 Agricultural and Biological Sciences
Pimjai Seehanam, Katthareeya Sonthiya, Phonkrit Maniwara, Parichat Theanjumpol, Onuma Ruangwong, Kazuhiro Nakano, Shintaroh Ohashi, Somsak Kramchote, Patcharaporn Suwor
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引用次数: 0

摘要

确定受炭疽病侵染的芒果可能需要进行费力费时的检测,从而导致采后管理延误和果实适销性下降。建议采用近红外光谱(NIRS)来检测完全成熟的 "Namdokmai Sithong "芒果中的真菌。在芒果果实中心的一侧果皮上人工接种球孢子菌(1 × 106 个分生孢子/毫升),而另一侧则保持原样。每隔 24 小时对 104 个芒果样本的接种位置和未接种位置进行交互作用测量,直至炭疽病症状明显出现。分类方法包括偏最小二乘判别分析(PLS-DA)和传统的人工神经网络(ANN)。研究结果表明,随着接种天数的增加,吸光度值也相应增加。所有化学计量学方法都获得了相对较高的分类准确率(˃ 89%)。在接种后的早期几个小时(24 小时),ANN 模型的分类结果最好(98.1%),证实了早期检测是可能的。讨论了 PLS-DA 和 ANN 的应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Ability of near infrared spectroscopy to detect anthracnose disease early in mango after harvest

Ability of near infrared spectroscopy to detect anthracnose disease early in mango after harvest

Determining anthracnose-infested mango can involve laborious and time-consuming assays, resulting in delayed postharvest management and decreased fruit marketability. Near infrared spectroscopy (NIRS) is proposed to detect the fungus in fully matured ‘Namdokmai Sithong’ mango. Inoculation of Colletotrichum gloeosporioides (1 × 106 conidia/mL) was artificially made onto one side of the fruit’s peel at the center of mango fruit while the other side was left intact. Interactance measurements were conducted at both inoculated and intact locations for 104 mango samples every 24 h until anthracnose symptoms visibly appeared. The classification approaches included a partial least squares discriminant analysis (PLS-DA) and a conventional artificial neural network (ANN). Results of our study revealed increased absorbance values corresponding with days after inoculation. Relatively high classification accuracies were obtained from all chemometrics approaches (˃ 89%). In the early hours after inoculation (24 h), the best classification result was obtained from the ANN model (98.1%), confirming that early detection was possible. Applications of PLS-DA and ANN are discussed.

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来源期刊
Horticulture Environment and Biotechnology
Horticulture Environment and Biotechnology Agricultural and Biological Sciences-Horticulture
CiteScore
4.30
自引率
4.20%
发文量
0
审稿时长
6 months
期刊介绍: Horticulture, Environment, and Biotechnology (HEB) is the official journal of the Korean Society for Horticultural Science, was launched in 1965 as the "Journal of Korean Society for Horticultural Science". HEB is an international journal, published in English, bimonthly on the last day of even number months, and indexed in Biosys Preview, SCIE, and CABI. The journal is devoted for the publication of original research papers and review articles related to vegetables, fruits, ornamental and herbal plants, and covers all aspects of physiology, molecular biology, biotechnology, protected cultivation, postharvest technology, and research in plants related to environment.
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