In 1960s, a Green Revolution rose in the crop field. Dwarfism is caused by loss-of-function mutations in OsGA20ox2 gene controlling the biosynthesis pathway of the plant hormone gibberellin (GA). The semi-dwarf cultivars are resistant to lodging and increase grain yield. Up to today, these dwarf varieties have still been applied in agriculture.
Rice is one of the most important crops. Some rice varieties such as QX1 are high in yield, potentially normal in flowering and reproduction, good qu...