烤后烟叶高效氯氟氰菊酯残留量近红外光谱定量模型的构建、 评价及应用

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中图分类号：S481.8 文献标识码：A 文章编号：1006-060X（2025）03-0078-05

引用格式：邓征宇，肖新生，高冉，等.烤后烟叶高效氯氟氰菊酯残留量近红外光谱定量模型的构建、评价及应用[J].湖南农业科学，2025（3）：78-82.

DOI：10.16498/j.cnki.hnnykx.2025.003.014

Construction， Evaluation， and Application of a Near-Infrared Spectroscopy Model for Quantitation of Cyhalothrin Residues in Tobacco Leaves After Curing

DENG Zheng-yu’，XIAO Xin-sheng²，GAO Ran²，LI Jing-jing²，LI Jia-ying'，YUAN Fang' LIU ，ZHANG Shen1

（1.YongzhoubaccCompanyofunanProvince，YngzhouoRC;2.CollgeofChmistryndiEngineing，Han UniversityofScienceandEngineering，Yongzhou，PC）

Abstract：Largeprecisioninstrumentsincludinggaschromatographsaredifcult toachievefieldrapiddeterminationofcyalothrin residues ntobacco leavesaftercuring.Inviewof tis problem，thisstudyuseda portable near-infraredspectrometer to predict the cyhalothrinresidues intobaccoleaves aftercuring.Firstly，thespectrumofstackedtobacoleaves after curing wascollected，nd thenthechemometricssoftwareCPMwasused to modelandevaluate thedatacolected bytheportablespectrometer.Finally，te application effectof the model was evaluated.The spectrumofsixstackedtobacoleaves werecolected bythenine-point method undertheconditionsofindorsatroomtempeatureandpretreatedbyCPMtroughfirstorderderivativespectra.Theoptimalodel was established via UVE wavelength variable selection and the partial least squares method.The established model showed the coefficientofeteinationootmeansqareerorofalbrationrootmeansquaredrofossvalidation，andootmeanared erorofpredictig0926，019，045，d80spctilysultsicatedattearfaedsectroodel can be used for predicting cyhalothrin residues in tobacco leaves after curing.

Keywords：tobacco leaf; near-infrared spectroscopy;cyhalothrin;residue

高效氯氟氰菊酯是一种拟除虫菊酯类农药，广泛应用于烟草种植的病虫害综合防治[1-3]。（剩余7219字）