2侧刀年第1期优先股引人国有种子企业体制改革的初探············……李春生(5)创新与种业发展·······················，··················……王亮等(7)山西种业开发建设设想··························，······……徐青松等(9)我国水稻育种的现状与展望···························……李初军等(11)种子工程信息化的措施与方法························……杨然兵等(13)河西走廊制种玉米几…