Six isolates of Magrtaporthe grisea were selected to inoculate on 10 Chinese leading maintainer lines (B-lines), 14 restorer lines (R-lines) and their F1 hybrid
【正】In the winter of 1997, a semi-dwarf mutant was found inthe F6 population of M9056/ R8018 xuan in HainanProvince. In the spring of 1998, the seeds were sow