雄阔之景 悲苦之情－－谈杜甫诗歌的反衬手法

A method for isolating and characterizing homozygous S-allele lines of brassicas is described. The tester plants used are produced by crossing the parent plants with a recessive S-allele homozygote. The full method uses reciprocal crosses to identify and characterize the lines immediately. When flow... View More