DB54/T 0260-2021 桦木属种苗繁育技术规程

ICS65.020.40

CCSB61

54

西藏自治区地方标准

DB54/T0260—2021

桦木属植物种苗繁育技术规程

2021-08-20发布2021-09-21实施

西藏自治区市场监督管理局  发布

DB54/T0260—2021

目次

前言.....................................................................................................................................................................III

1范围...................................................................................................................................................................1

2规范性引用文件...............................................................................................................................................1

3术语和定义.......................................................................................................................................................1

4采种母株筛选...................................................................................................................................................1

4.1母株生长环境选择...................................................................................................................................1

4.2母株...........................................................................................................................................................1

4.3母株多样性选择.......................................................................................................................................1

5种子采收与处理...............................................................................................................................................1

5.1采种时间...................................................................................................................................................1

5.2采种方法...................................................................................................................................................2

5.3阴干...........................................................................................................................................................2

5.4净种...........................................................................................................................................................2

5.5短期保存...................................................................................................................................................2

6播种...................................................................................................................................................................2

6.1播种准备...................................................................................................................................................2

6.2播种设施...................................................................................................................................................2

6.3消毒...........................................................................................................................................................3

6.4秋季直播...................................................................................................................................................3

6.5春季播种...................................................................................................................................................3

7幼苗期管理.......................................................................................................................................................4

7.1设施管理...................................................................................................................................................4

7.2温度管理...................................................................................................................................................5

7.3湿度管理...................................................................................................................................................5

7.4光照管理...................................................................................................................................................5

7.5病虫害防治...............................................................................................................................................5

8分苗...................................................................................................................................................................5

8.1分苗时间...................................................................................................................................................5

8.2分苗方法..........................................................................