Breeding,;
Genetics;
and;
Biochemistry;
Division,;
International;
Rice;
Research;
Institute,;
Metro;
Manila,;
Philippines;
Key;
Laboratory;
of;
Genetic;
Engineering,;
Institute;
of;
Plant;
Biology,;
School;
of;
Life;
Sciences,;
Fudan;
University,;
Shanghai,;
200433,;
China;