<P>Forty-six varieties of rice with twin seedlings were found by Hunan Hybrid Rice Research Center (HHRRC)</P> <P>Chinese Rice Research Newsletter</P>

Forty-six varieties of rice with twin seedlings were found by Hunan Hybrid Rice Research Center (HHRRC)

Chinese Rice Research Newsletter

DENG Hongde

RICE SCIENCE . 1991, (2): 8 -8 .