CAJ | 학술논문

丹玉209是丹东农业科学院、辽宁丹玉种业科技股份有限公司于2009年选育的中熟玉米品种。以玉米自交系 R88为母本，以自交系 L34为父本杂交组配而成的玉米杂交种，该杂交种具有高产、优质、抗倒伏、抗叶斑病和适应性广等特点。适应在辽宁省春播玉米区种植。种植密度适宜在5.25万株~6万株/ hm2。
단옥209시단동농업과학원、료녕단옥충업과기고빈유한공사우2009년선육적중숙옥미품충。이옥미자교계 R88위모본，이자교계 L34위부본잡교조배이성적옥미잡교충，해잡교충구유고산、우질、항도복、항협반병화괄응성엄등특점。괄응재요녕성춘파옥미구충식。충식밀도괄의재5.25만주~6만주/ hm2。
Corn hybrid cultivar Danyu 209 was developed by Dan Dong Academy of Agricultural Sciences of Liaoning Province and Liaoning Danyu Seed Science and Technology Co. ,Ltd. Using inbred line R88 as fe-male parent and the L34 as male parent . According to the variety production test ,Danyu 209 has the charac-teristics of high yield,good quality,muli-resistance and wide adaptation. The variety is suitable for direct see-ding in spring in Liaoning province . The density of the variety was up to 52 500 plants / hm 2 ~ 60 000 plants /hm2 .