利用丹340改良了黄早四类群玉米自交系吉853,育成配合力高、抗丝黑穗病的优良自交系津01和津02。
Maize inbred line Ji853 from Huangzaosi groups was improved by Dan340 , and selected excellent line cultivars Jin01 and Jin02 that with high combining ability and head smut-resistance .