line-height:12.0pt"> font-family:楷体_GB2312;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman""> font-family:楷体_GB2312;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman"">品种名称： font-family:楷体_GB2312;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman"">京白甜452
line-height:12.0pt"> font-family:楷体_GB2312;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman""> font-family:楷体_GB2312;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman"">申请者： font-family:楷体_GB2312;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman"">北京保民种业有限公司、北京市农业技术推广站
line-height:12.0pt"> font-family:楷体_GB2312;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman""> font-family:楷体_GB2312;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman"">育种者： font-family:楷体_GB2312;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman"">北京保民种业有限公司、北京市农业技术推广站
line-height:12.0pt"> font-family:楷体_GB2312;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman""> font-family:楷体_GB2312;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman"">品种来源： 10.5pt;font-family:楷体_GB2312;mso-hansi-font-family:"Times New Roman"; mso-bidi-font-family:"Times New Roman"">BMC90102 mso-ascii-font-family:楷体_GB2312;mso-fareast-font-family:楷体_GB2312">× "Times New Roman";mso-bidi-font-family:"Times New Roman"">BMA020101
line-height:12.0pt"> font-family:楷体_GB2312;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman""> font-family:楷体_GB2312;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman"">特征特性： font-family:楷体_GB2312;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";mso-font-kerning:0pt">北方（东华北）鲜食甜玉米组出苗至鲜穗采收期82天，比对照中农大甜413早熟5天。幼苗叶鞘浅紫色，叶片绿色，叶缘白色，花药浅紫色，颖壳浅紫色。株型平展，株高219厘米，穗位高64厘米，成株叶片数17片。果穗长锥形，穗长22.2厘米，穗行数16－20行，穗粗5.0厘米，穗轴白色，籽粒白色、甜质型，百粒重38.0克。接种鉴定，感大斑病，高感丝黑穗病，中抗瘤黑粉病，皮渣率9.40%，还原糖含量5.25%，水溶性总含糖量35.75%，品尝鉴定81.1分。 font-family:楷体_GB2312;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman"">北方（黄淮海）鲜食甜玉米组出苗至鲜穗采收期70天，比对照中农大甜413早熟3天。幼苗叶鞘浅紫色，叶片绿色，叶缘白色，花药浅紫色，颖壳浅紫色。株型平展，株高204厘米，穗位高58厘米，果穗长锥形，穗长20.6厘米，穗行数14－22行，穗粗4.7厘米，穗轴白色，籽粒白色、甜质型，百粒重36.2克。接种鉴定，高感丝黑穗病，高感小斑病，高感瘤黑粉病，高感矮花叶病，皮渣率8.87%，还原糖含量7.66%，水溶性总含糖量22.9%，品尝鉴定83.8分。
line-height:12.0pt"> font-family:楷体_GB2312;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman""> font-family:楷体_GB2312;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman"">产量表现： 10.5pt;font-family:楷体_GB2312;mso-hansi-font-family:"Times New Roman"; mso-bidi-font-family:"Times New Roman";mso-font-kerning:0pt">2018 font-family:楷体_GB2312;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";mso-font-kerning:0pt">－ "Times New Roman";mso-bidi-font-family:"Times New Roman";mso-font-kerning:0pt">2019 "Times New Roman";mso-bidi-font-family:"Times New Roman";mso-font-kerning:0pt">年参加北方（东华北）鲜食甜玉米组区域试验，两年平均亩产913.1千克，比对照中农大甜413增产4.9%。 "Times New Roman";mso-bidi-font-family:"Times New Roman"">2018 font-family:楷体_GB2312;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman"">－ font-family:楷体_GB2312;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman"">2019 font-family:楷体_GB2312;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman"">年参加北方（黄淮海）鲜食甜玉米组区域试验，两年平均亩产747.6千克，比对照中农大甜413增产1.0%。
line-height:12.0pt"> font-family:楷体_GB2312;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman""> font-family:楷体_GB2312;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman"">栽培技术要点： font-family:楷体_GB2312;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman"">地势平坦、肥力好地块，与其他玉米有一定的空间和时间隔离；5厘米地温14 楷体_GB2312;mso-hansi-font-family:宋体;mso-bidi-font-family:宋体">℃ "Times New Roman";mso-bidi-font-family:"Times New Roman"">以上播种；亩保苗3500株，可以采取大垄双行方式种植；播种时每亩尿素10千克、二铵15千克、钾肥25千克。拔节前每亩追尿素15斤。大喇叭口期，每亩再追尿素10千克；甜玉米长势弱、易发生草害，需要人工或化学除草控制；螟虫防治：大喇叭口末期、看见雄穗时，用合适的药剂第一次重点喷洒玉米雄穗。雌穗花丝长出5厘米时第二次重点喷洒花丝部位；斑病防治：高湿气候易引发甜玉米叶部病害发病，可在在拔节前和抽雄前用合适药剂进行二次叶面喷洒防病；注意丝黑穗病防治。最适宜采收期为授粉后19 － 21天，如果用于加工还需适当延后。
"Times New Roman";mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA"> "Times New Roman";mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">审定意见： mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language: EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">该品种符合国家玉米品种审定标准，通过审定。适宜在黑龙江省第五积温带至第一积温带、吉林、辽宁、内蒙古、河北、山西、北京、新疆、宁夏、甘肃、陕西等省自治区年素10 mso-hansi-font-family:宋体;mso-bidi-font-family:宋体;mso-font-kerning:1.0pt; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">℃ mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language: EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">活动积温1900 mso-bidi-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">℃ mso-bidi-font-family:"Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language: EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">以上玉米春播种植区；北京市、天津市、河北省中南部、河南省、山东省、陕西省关中灌区、山西省南部、安徽和江苏两省淮河以北地区等玉米夏播种植区种植。
