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掖单２２是山东省莱州市农科院１９８３年用４８８作母本，５２３７作父本杂交育成。１９９８年经山东省农作物品种审定委员会审定。１９９７年农业部黄淮海夏玉米新品种筛选试验，平均单产７５８１ｋｇ／ｈｍ２，较鲁玉２号增产１４．３％；１９９６年山东省区试单产９３３７?
Yeda 22 is Laizhou City, Shandong Province Academy of Agricultural Sciences in 1983 with 488 for the female parent, 5237 parental cross bred. In 1998 by the Shandong Provincial Crop Variety Approval Committee validation. In 1997 the Ministry of Agriculture Huanghai Huaihai summer maize new variety screening test, the average yield of 7581kg / hm2, compared with Luyu 2 yield 14.3%; Shandong Province in 1996 test yield 9337?