豫玉22号玉米以其高产、优质、抗病、适应性广等优点越来越被农民所认识。产量比吉单180等常规玉米品种增产20%～30%,产品商品性好,标准玉米达85%以上。玉米丝黑穗病田间发病率不超过5%(已拌种),从出苗到成熟不超过130d。自2000年引进试种到2003年,仅白城市的大安种植面积已达1.5万hm~2,并有种植面积扩大趋势。然而豫玉22号玉米在本地最 Yuyu No. 22 maize with its high yield, high quality, disease resistance, wide adaptability and other advantages more and more farmers are aware. Output than conventional corn varieties such as Jidan 180 increased by 20% to 30%, good product quality, standard corn up to 85%. Maize head smut field incidence of not more than 5% (has been dressing), from emergence to maturity does not exceed 130d. Since the introduction of trial planting in 2000 to 2003, the planting area of ​​Daan in Baicheng City alone has reached 15,000 hm ~ 2, and the planting area has expanded. However Yuyu No. 22 corn is the most local