ICS 65.020.40 CCS B 66 45 广 西 壮 族 自 治 区 地 方 标 准 DB45/T 2749—2023 油茶大苗培育技术规程 Technical code of practice for cultivation of large size container seedlings of Y oucha 2023 - 08 - 10发布 2023 - 09 - 30实施 广西壮族自治区市场监督管理局 发布 DB45/T 2749 —2023 I 目次 1 范围 ................................ ................................ ............... 3 2 规范性引用文件 ................................ ................................ ..... 3 3 术语和定义 ................................ ................................ ......... 3 4 育苗容器选择 ................................ ................................ ....... 3 5 育苗基质 ................................ ................................ ........... 3 基质要求 ................................ ................................ ....... 3 5.1 基质配制 ................................ ................................ ....... 4 5.2 6 培育方法 ................................ ................................ ........... 4 一步培育法 ................................ ................................ ..... 4 6.1 两步培育法 ................................ ................................ ..... 4 6.2 7 水肥管理 ................................ ................................ ........... 4 8 冠幅培养 ................................ ................................ ........... 5 9 除草管护 ................................ ................................ ........... 5 10 密度调整 ................................ ................................ .......... 5 11 有害生物防治 ................................ ................................ ...... 5 苗期主要病虫害种类 ................................ ............................ 5 11.1 病虫害防治 ................................ ................................ .... 5 11.2 12 质量要求 ................................ ................................ .......... 5 炼苗 ................................ ................................ .......... 5 12.1 出圃苗木质量要求 ................................ .............................. 5 12.2 其它质量指标 ................................ ................................ .. 6 12.3 13 苗木出圃 ................................ ................................ .......... 6 苗木检疫 ................................ ................................ ...... 6 13.1 苗木检测 ................................ ................................ ...... 6 13.2 检验规则 ................................ ................................ ...... 6 13.3 包装 ................................ ................................ .......... 6 13.4 标志 ................................ ................................ .......... 6 13.5 运输 ................................ ................................ .......... 6 13.6 附录A（资料性） 苗期主要病虫害及防治方法 ................................ ............. 7