The pure seeds of rice varieties Zaoxian 6188, D6049: late indica Minghui 63. Waiqi, and Xiangge 7301 late japonica Nonghu 6 and Bei K15 were carried by satelli
In the spring of 1988, we discovered some male sterile plants with high seed-setting rates in two lines from the F7 of cross, Fan 4 / Zhongdan 2 // Zhenshan 97,