DB43-T 2441-2022 浙江柿播种育苗技术规程

ICS

07.080CCS

B

43湖 南 省 地 方 标 准DB43/T

2441—2022浙江柿播种育苗技术规程Code

of

practice

for

sowing

and

raising

seedlingsof

Diospyros

glaucifolia2022

-

11

-

10

发布

2023

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-

实施湖南省市场监督管理局

发

布DB43/T

2441— 前言························································································································

Ⅲ1 ·····················································································································

12 规范性引用文件······································································································13 术语和定义············································································································14种子准备···············································································································15 芽苗培育···············································································································16 一年生裸根苗培育···································································································27一年生容器苗培育···································································································38 苗木管理···············································································································39 苗木质量···············································································································410 苗木出圃··············································································································411 档案管理··············································································································4附录

A（资料性） 育苗技术管理档案·············································································5DB43/T

2441— 本文件按照

GB/T

—《标准化工作导则 第

1

部分：标准化文件的结构和起草规则》的规定起草。请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。本文件由湖南省林业局提出。本文件由湖南省林业标准化技术委员会归口。本文件起草单位：湖南省植物园、怀化市林业科学研究所。李高飞、唐娟、袁春、李雯、陈玉婷。III播种量宜

g/hm

，均匀撒播。DB43/T

2441—播种量宜

g/hm

，均匀撒播。1

Metcalf苗培育、一年生容器苗培育、圃地管理、苗木质量、苗木出圃和档案管理等技术要求。本文件适用于浙江柿播种苗培育。2

规范性引用文件LY/T

2752 林木轻基质无纺布容器苗育苗技术规程DB43/T

093 林木育苗技术规程DB43/T

094 主要造林树种苗木质量分级3

术语和定义下列术语和定义适用于本文件。3.1芽苗移栽 bud

seedling

transplanting将芽苗从芽苗床中取出栽植到已准备好的移苗床或容器袋中的过程。4

种子准备选择树龄

20

年以上生长健壮、无病虫害的优良母树，于

10

月～11

月，浆果变黄或变红时及时采集，或当成熟的果从树上落下后及时从地面收集，去除果梗和其他杂质。将果实在常温水中浸泡

3

d～4

d，搓去果皮和果肉，淘洗出种子，用

％多菌灵

倍液浸种消毒

30

，晾干后沙藏。沙藏河沙要求干净、无卵石，湿度以手捏成团、松开后又散为宜。湿沙和种子的体积比约为

3∶1。5

芽苗培育5.1 播种时期播种期宜在

1

2

月。5.2 播种2

1500

1500

45％的复合肥150

kg/hm

，均匀翻入土中。70％甲基硫菌灵（甲基托布津）按

900

g/hm

～1350

g/hm

5.3 覆土、洒水、消毒2

h

70布津）800

倍液进行一次消毒。5.4 做拱盖膜苗床应做拱，拱高

cm～60

，拱距

100

cm～

cm，覆盖薄膜。5.5 苗床管理苗床过干时应及时补水。温度过高时应及时揭开薄膜两端通气降温并适当遮荫。5.6 芽苗炼苗移栽前

2

d，在阴天或晴天傍晚揭膜炼苗，并用

50％的多菌灵或

70％甲基硫菌灵（甲基托布津）800

倍液喷施，防止幼苗发生猝倒病。6

一年生裸根苗培育6.1 圃地准备6.1.1 圃地选择宜选择排水良好、土壤肥沃、

值

～6.5

的壤土或沙壤土，并符合

的规定。6.1.2两次翻耕，翻耕深度

20

～25

cm，应清除草根、石块，碎土整平。6.1.3 施基肥226.1.4 苗床应平整无积水，宽

cm～

cm

20

，长度依地形而定，但不宜超过

cm，步道宽30

cm。6.1.5 土壤消毒223

d～5

d。6.2 芽苗移栽芽苗长出

2

片对生子叶至

1

片初生叶时移栽。将芽苗床浇透水，随起随栽，栽植前切除芽苗主根长的

1/3，按株行距

×18

cm

移栽到准备好的苗床上，压实并浇透水，用

50％的多菌灵或

％甲基硫菌灵（甲基托布津）

倍液喷施苗木防病。移栽宜在低温阴雨天进行。肥按

45.5

kg/hm

～75

肥按

45.5

kg/hm

～75

的用量，兑水至浓度

0.2％～％喷施于苗木上或浇灌于苗行间。9

氰菊酯）进行苗木喷雾，隔

7

d～10

d

喷施一次，或用护地净或地虫杀星进行撒施，用量

kg/hm

。7

一年生容器苗培育7.1基质准备使用黄心土、泥炭土、珍珠岩和糠壳灰配制容器苗基质，配比以体积计宜为

30％黄心土、20炭土、30

20％糠壳灰，用

50％的多菌灵或

70％甲基硫菌灵（甲基托布津）

倍液喷施基质和容器消毒防病。7.2容器袋规格宜采用规格为

cm×12

cm

LY/T

2752

的规定。7.3 芽苗移栽栽植前切除芽苗主根长的

1/3

1/2

或

1

苗栽植于容器中央，深度在根颈以上

cm～1

cm，用手轻轻提苗，使根系舒展，再填满土压实，使根土密接，浇透水。容器苗摆放在

m

苗床上，每摆放

4

20

。8

苗木管理8.1 遮荫6

月～8

月宜用遮光率

70％～80％的遮阳网进行遮荫，荫棚高度

m～

m。8.2 水分管理浇水宜在阴天或晴天的早、晚进行，适时适量浇水，保持土壤湿润，雨季注意排水。8.3 除草松土系。8.4 施肥施肥宜在阴天或晴天的早、晚进行。苗木出土后约

50

d，用氮、磷、钾总养分不低于

22旬以后，每隔

d，喷施浓度

2

3

次，以促进苗木木质化。8.5 病虫害防治苗期病害主要为根茎立枯病，4

月初至

5

月中旬，应使用

70％敌克松粉剂

倍液进行土壤浇灌，并用

％的多菌灵或

70％甲基硫菌灵（甲基托布津）800～1000

倍液交替喷雾，每隔

7

d

轮换一次。

5

月下旬至

7

1500～2000

2施药宜在阴天或下午

4

点以后进行，日常肥水管理宜在施药

2

d～4

d

后，以免降低药效。cmcmcmcmcmcm700.602020500.4520151100.602530800.502020DB43/T

2441—9

苗木质量苗木分级依据和方法按

的要求执行，苗木质量应符合表

1

的规定。表

1表

1浙江柿苗木质量10.1 时间出圃时间宜在当年

月～翌年

3

月上旬。10.2 包装运输

％黄心土、10％钙镁磷肥加适量

GGR6

50

株一捆包装好，用塑料袋包好根部。

15

器袋中基质散开。运到后，