Fig. 5From: A method for obtaining field wheat freezing injury phenotype based on RGB camera and software controlFrost damage rating of wheat in the following: a physical map of n1, 0Â kg/hm2 nitrogen fertilizer treatment and wheat grading of different genotypes; b physical map of n2, 180Â kg/hm2 nitrogen fertilizer treatment and wheat grading of different genotypes; and c physical map of n3, 240Â kg/hm2 nitrogen fertilizer treatment and wheat grading of different genotypes. d Classification of freezing injury in different wheat varieties e Original pictures of different levels of coverageBack to article page