DB61 T 603-2013 玉米 蠡玉11号.pdf

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1、ICS 65.020.20 B 21 DB61 陕西省地方标准 DB 61/ T6032013 玉米 蠡玉 11 号 2013 - 12 - 30 发布 2014 - 03 - 01 实施 陕西省质量技术监督局 发布 DB61/ T6032013 I 前 言 本标准由陕西省农业厅提出并归口。 本标准起草单位:陕西省种子管理站、石家庄蠡玉科技开发有限公司。 本标准主要起草人:严勇敢、刘冰、雷军。 DB61/ T6032013 1 玉米 蠡玉 11 号 1 范围 本标准规定了该品种的来源、特征特性、适宜种植地区和栽培技术要点等。 本标准适用于我省玉米品种真伪识别、田间鉴定及大田生产。 2 选育单位

2、 石家庄蠡玉科技开发有限公司。 3 审定编号 陕审玉2008004号。 4 品种来源 L618H59851。 5 特征特性 5.1 生物学征性 春播生育期125天左右。幼苗叶色浓绿,叶鞘紫红色,顶土力强,苗期生长健壮。株高275.1cm,穗 位118.5cm,株型半紧凑,穗位以上叶片半上举,穗位以下叶片平展,全株21片22片叶。雄花分枝13 个16个,花药黄色,护颖浅紫色,雌穗花丝绿色;果穗长筒型,穗长20.5cm,穗粗5.5cm,穗行数16.5 行,行粒数40.8粒;穗轴红色,半马齿,千粒重401g,单穗粒重196.7g,属大穗、大粒型品种。成熟时 苞黄,茎叶持绿;抗倒性较好。 5.2 抗病

3、性 高抗茎腐病、小斑病,抗大斑病、穗粒腐病、丝黑穗病。 5.3 品质检测 粗蛋白(干基)含量9.0%,粗脂肪(干基)4.6%,淀粉(干基)含量64. 6%,赖氨酸含量0.239%。 6 栽培技术要点 6.1 适宜密度:中等肥力地块亩 3300 株左右,高肥水地块以亩 3500 株为宜。 6.2 追肥要掌握前轻、中重、后补的原则,做到稳氮、增磷、补钾。及时浇好灌浆水。 6.3 播前种子要用种衣剂包衣,以防治地下害虫的危害;苗期防治粘虫,喇叭口期注意防治玉米螟。 DB61/ T6032013 2 7 适宜地区及产量水平 7.1 适宜陕西海拔 800m 以下地区春播种植。 7.2 两年区试平均亩产 669.0kg 。 _

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