【摘要】 玉米杂交种九单64于1999年杂交育成,母本九122为自选自交系,父本丹340为外引系.2006年1月通过吉林省农作物品种审定委员会审定.该品种具有产量高,适应范围广,抗病性强,活杆成熟,淀粉含量高等特点,适合清、间、混、套种,清种最适密度45 000株/hm2,制种时父母本同期播种,行比1∶6.更多还原

【Abstract】 Jiudan 64 was breeded in 1999,the female line is Jiu 122,which was breeded by Academy of Agricultural Sciences of Jilin City,the male line is Dan 340,which was introduced.Jiudan 64 was approved by Jilin Provincial Variety Examination and Approval Committee in Jan.2006.The hybrid with high yield,adapt to a wide range of strong resistance,live-mature,high starch content,which is popular among farmers.Suitable for clear,mixed,interplanting,the most species-density 45 000 / hm2.While breeding Jiudan 64,parents should be sewed at the same time,the rate is 1:6.更多还原