DB42/T 1979-2023 娜塔栎播种育苗技术规程

ICS65.020.20

CCSB61

DB42

湖北省地方标准

DB42/T1979—2023

娜塔栎播种育苗技术规程

TechnicalcodeofpracticeforseedpropagationofQuercusnuttallii

2023-03-28发布2023-05-28实施

湖北省市场监督管理局发布

DB42/T1979—2023

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种子采集与处理.....................................................................1

4.1采种...........................................................................1

4.2种子质量检验...................................................................1

4.3种子处理和贮藏.................................................................1

5圃地选择与整理.....................................................................1

5.1圃地选择.......................................................................1

5.2圃地整理.......................................................................2

5.3苗床准备.......................................................................2

6育苗...............................................................................2

6.1大田直播育苗...................................................................2

6.2沙床播种育苗...................................................................3

6.3容器育苗.......................................................................3

7大苗培育...........................................................................3

7.1定植密度.......................................................................3

7.2日常...........................................................................4

8主要病虫害防治.....................................................................4

8.1立枯病(RhizoctoniasolaniKuhn)防治............................................4

8.2地老虎防治.....................................................................4

9苗木分级和出圃.....................................................................4

9.1苗木分级.......................................................................4

9.2苗木出圃.......................................................................4

10质量检测..........................................................................4

11档案管理..........................................................................4

附录A（资料性）娜塔栎苗木质量等级...................................................6