期刊论文

Study on Estimation of Pigment Contents in Flue-cured Tobacco Variety K326 by Hyperspectral Parameters

中文

作物研究

1001-5280

2015

5

516-521+541

10.3969/j.issn.1001-5280.2015.05.14

湖南省烟草公司科技项目（13-17DAa01）；

本校为第一机构

通过大田试验,研究了烤烟K326叶片色素含量与冠层高光谱之间的关系,构建了以高光谱参数为自变量的烤烟叶片色素含量的诊断模型.结果表明：冠层光谱反射率与叶绿素a、叶绿素b、叶绿素a＋b、类胡萝卜素含量显著相关的波段分别有769、797、782和818个,其中90%以上的波段呈显著负相关关系,相关性最高的波段分别为1846、1846、1846和1843nm.各色素含量均与高光谱参数SDy的相关性最高,构建的函数模型分别为：y=10373x^2＋1096.2x＋29803、y=-0.0023x^3 -0.0256x^2 ＋0.0559x-0.0665、y=13387x^2 ＋1421x＋38.803和y=10.451e76.029x.经差异性检验,估测值和实测值未达到显著水平,表明利用高光谱技术进...

A field experiment was conducted to study the relationship between pigment content and canopy height spectrum in the flue-cured tobacco variety K326,and diagnosis models of pigment content in flue-cured tobacco leaves were con-structed with hyperspectral characteristic parameters as the independent variable. The results showed that:the original spectral reflectance was related with pigment content of leaves significantly. In the whole wavelength range,there were 769,797,782 and 818 wave bands significantly related with that chlorophyll a,chloro...