利用冠层光谱监测小麦籽粒蛋白质积累动态-作物学报.PDF

作物学报 ACTA AGRONOMICA SINICA 2009, 35(7): 1320−1327 /zwxb/ ISSN 0496-3490; CODEN TSHPA9 E-mail: xbzw@ DOI: 10.3724/SP.J.1006.2009.01320 利用冠层光谱监测小麦籽粒蛋白质积累动态 冯 伟1,2 朱 艳1 曹卫星1,* 朱云集2 郭天财2 1 / , 210095; 2 / , 450002 : 3 , , (GPA) , , (CNNI) , (PNA), −− , , , SDr/SDb–PNA–GPA , 0.954 13.1%, : ; ; ; ; Monitoring Grain Protein Accumulation Dynamics with Canopy Reflectance Spectra in Wheat 1,2 1 1,* 2 2 FENG Wei , ZHU Yan , CAO Wei-Xing , ZHU Yun-Ji , and GUO Tian-Cai 1 Nanjing Agricultural University / Hi-Tech Key Laboratory of Information Agriculture of Jiangsu Province, Nanjing 210095, China; 2 Henan Agricul- tural University / National Engineering Research Centre for Wheat, Zhengzhou 450002, China Abstract: Grain protein is an important index indicating wheat quality status, and nondestructive and quick assessments of grain protein accumulation dynamics is necessary for cultural regulation and quality classification in wheat (Triticum aestivum L.) pro- duction. The objectives of this study were to determine the relationships between plant nitrogen nutrition status, grain protein ac- cumulation, and canopy reflectance spectra i