Plant height was segregated in M3 population of Yuefengyabian 1 to 5 except Yuefengyabian 2.Some mutants with larger grain and/or longer awn were found in M4 population of Yuefengyabian 4.

• (3)在M3代，粤丰压变1号-5号中除粤丰压变2号外的株高都发生了分离，而且粤丰压变4号分离出了大粒型和长芒型的植株；