ICS65.020.20B05DB37山东省地方标准DB37/T1629—2020代替DB37/T1629—2010苹果苗木繁育技术规范Technicalspecificationforappletreepropagation2020-09-30发布2020-10-30实施山东省市场监督管理局发布DB37/T1629—2020目次前言..................................................................................II1范围................................................................................12规范性引用文件......................................................................13术语和定义..........................................................................14砧木选择与繁育......................................................................24.1砧木选择........................................................................24.2苗圃地选择......................................................................24.3砧木繁育........................................................................24.3.1实生砧木繁育................................................................24.3.1.1砧木种子质量............................................................24.3.1.2砧木种子层积处理........................................................24.3.1.3播种....................................................................24.3.1.4苗期管理................................................................24.3.2营养系砧木繁育..............................................................34.3.2.1营养系砧木繁育的主要方法................................................34.3.2.2水平压条................................................................34.3.2.2.1母株选择............................................................34.3.2.2.2母株栽植............................................................34.3.2.2.3压条................................................................34.3.2.2.4覆盖................................................................34.3.2.2.5分株................................................................35苗木嫁接与管理.............................................................
