期刊论文

Study on the Fatty Acid Composition of Plant Seeds of Winter Rapeseed Based on Hyperspectral

中文

作物研究

1001-5280

2017

31

3

265-271

10.16848/j.cnki.issn.1001-5280.2017.03.11

国家自然科学基金（31201240） 湖南省科技重大专项（2014FJ1006） 湖南省科技厅项目（13FJ4025）

本校为第一机构

以3个甘蓝型油菜品系为研究对象,采用地物波谱仪测定盛花期冠层光谱,气相色谱法测定成熟种子脂肪酸成分,研究两者之间的关系。通过将3个品系油菜分别与一阶光谱参数做相关性分析,发现在5种脂肪酸成分当中,其特征敏感波段和差值植被指数均达到显著水平以上,说明它们之间具一定预测精度。将3个油菜品系结合到一起分析,发现其特征光谱参数和差值植被指数仍达到显著水平以上。在利用特征波段拟合的两自变量模型和差值植被指数建立的数学模型中,多数脂肪酸达到了显著水平,因此可利用油菜冠层光谱为油菜品质育种研究提供参考,为区域尺度油菜生长的快速、无损遥感监测菜籽脂肪酸成分提供参考。

Three Brassica napu s lines were used as the research object in this study. The rapeseed canopy spectra were measured by using surface wave spectrometer,and the fatty acid composition of mature seeds was determined by gas chromatography. The correlation analysis of three rape strains and one order spectral parameter respectively found that the five kinds of fatty acids and their characteristics of sensitive bands and difference vegetation index has reached a significant level with certain accuracy. When the three rape lines were analyzed together,the results showed that their characteristic sp...