HAN Ya-fen, L Cheng-xu, YUAN Yan-wei, YANG Bing-nan, ZHAO Qing-liang, CAO You-fu, YIN Xue-qing. PLS-Discriminant Analysis on Potato Blackheart Disease Based on VIS-NIR Transmission Spectroscopy[J]. Spectroscopy and Spectral Analysis, 2021, 41(4): 1213