1. Institute of Grassland Science,China Agricultural University,Beijing 100094,China 2. Grassland Research Institute,Chinese Academy of Agricultural Sciences,Huhhot 010010,China 3. Institute of Bioengineer Science，Inner Mongolia Agricultural University,Huhhot 010018,China
Abstract：Near infrared reflectance spectroscopy is a newly developed method capable of analyzing the content of specific compound in the detected sample quickly and efficiently. Near infrared reflectance spectroscopy has been wildly used in many fields such as agriculture science,food industry,medical industry,chemical engineering and protection of environment and so on. In the present paper firstly the principle,technique method and merits of near infrared reflectance spectroscopy were described. Then the application of near infrared reflectance spectroscopy to the seeds of many crops,i.e. wheat,rice,rape and apple,was reviewed and discussed in brief. Based on this introduction,the potential value of the application of near infrared reflectance spectroscopy to the grass seeds quality certification was discussed in the four areas,i.e. the grass seed variety discrimination,the standard percentage rate of grass seed germination testing,the scale of the content of grass seed moisture,and the evaluation of the grass seed vigor and the purity of grass seed. Finally,it was concluded that the application of near infrared reflectance spectroscopy to the grass seed quality certification is significant both in the academic and the technical areas because near infrared reflectance spectroscopy will not only improve the efficiency of grass seed certification,saving manual work and testing time,but also help expand the extent and application of routine quality certification of grass seeds.
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