supported by the National Natural Science Foundation of China(Grant No.30270716);the 973 Program of China(Grant No.G1999011602);the Scientech Youth Talent Foundation of Fujian Provience(Grant No.2001J041).
A rice mutant called leafy head (lhd), in which the differentiation of rachis branches is blocked, was identified in a doubled haploid (DH) population derived through F1 anther culture from a cross between rice (Oryza...