The tropical germplasm such as Suwan1,Tuxpeno1 and synthetic varity ETO have been widely used. Yucatan belonging to tropical germplasms shows great utilization potential. Some elite inbred lines such as Nc 296,NZ1A,FUSU1,Suwan 1611,BT 1,Tai 113 etc.

• Suwan?1、墨白1号、ETO复合种是广泛利用的热带种质，Yucatan是有待开发利用的热带种质，已育成了Nc296、NZ1A、辐苏1、苏湾1611、BT、太113等优良自交系和78599、9961、雅玉2号、会单4号、郑93?1等优良杂交种。