基于小波分析的水稻籽粒直链淀粉含量高光谱预测

张骁, 闫岩, 王文辉, 郑恒彪, 姚霞, 朱艳, 程涛

Application of continuous wavelet analysis to laboratory reflectance spectra for the prediction of grain amylose content in rice

ZHANG Xiao, YAN Yan, WANG Wen-Hui, ZHENG Heng-Biao, YAO Xia, ZHU Yan, CHENG Tao

表6 水稻抽穗后各生育期干穗小波系数与籽粒直链淀粉含量的相关性

Table 6 Coefficient of determination values (R2) for the relationships of wavelet features determined from dry panicle spectra with GAC of rice at post-heading stages

生育期Growth stage 小波系数Wavelet feature 决定系数R2 乳熟期 WF1155,6 0.49** Milk stage WF1895,4 0.49** 蜡熟期 WF1835,3 0.74** Dough ripening stage WF2350,3 0.64** 黄熟期 WF1692,4 0.67** Yellow ripening stage WF2030,5 0.65** 完熟期 WF2250,6 0.60** Full ripening stage WF2050,6 0.55**