DB43-T 2441-2022 浙江柿播種育苗技術(shù)規(guī)程

ICS

07.080CCS

B

43湖 南 省 地 方 標 準DB43/T

2441—2022浙江柿播種育苗技術(shù)規(guī)程Code

of

practice

for

sowing

and

raising

seedlingsof

Diospyros

glaucifolia2022

-

11

-

10

發(fā)布

2023

-

-

實施湖南省市場監(jiān)督管理局

發(fā)

布DB43/T

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

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

12 規(guī)范性引用文件······································································································13 術(shù)語和定義············································································································14種子準備···············································································································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 苗木質(zhì)量···············································································································410 苗木出圃··············································································································411 檔案管理··············································································································4附錄

A（資料性） 育苗技術(shù)管理檔案·············································································5DB43/T

2441— 本文件按照

GB/T

—《標準化工作導則 第

1

部分：標準化文件的結(jié)構(gòu)和起草規(guī)則》的規(guī)定起草。請注意本文件的某些內(nèi)容可能涉及專利。本文件的發(fā)布機構(gòu)不承擔識別專利的責任。本文件由湖南省林業(yè)局提出。本文件由湖南省林業(yè)標準化技術(shù)委員會歸口。本文件起草單位：湖南省植物園、懷化市林業(yè)科學研究所。李高飛、唐娟、袁春、李雯、陳玉婷。III播種量宜

g/hm

，均勻撒播。DB43/T

2441—播種量宜

g/hm

，均勻撒播。1

Metcalf苗培育、一年生容器苗培育、圃地管理、苗木質(zhì)量、苗木出圃和檔案管理等技術(shù)要求。本文件適用于浙江柿播種苗培育。2

規(guī)范性引用文件LY/T

2752 林木輕基質(zhì)無紡布容器苗育苗技術(shù)規(guī)程DB43/T

093 林木育苗技術(shù)規(guī)程DB43/T

094 主要造林樹種苗木質(zhì)量分級3

術(shù)語和定義下列術(shù)語和定義適用于本文件。3.1芽苗移栽 bud

seedling

transplanting將芽苗從芽苗床中取出栽植到已準備好的移苗床或容器袋中的過程。4

種子準備選擇樹齡

20

年以上生長健壯、無病蟲害的優(yōu)良母樹，于

10

月～11

月，漿果變黃或變紅時及時采集，或當成熟的果從樹上落下后及時從地面收集，去除果梗和其他雜質(zhì)。將果實在常溫水中浸泡

3

d～4

d，搓去果皮和果肉，淘洗出種子，用

％多菌靈

倍液浸種消毒

30

，晾干后沙藏。沙藏河沙要求干凈、無卵石，濕度以手捏成團、松開后又散為宜。濕沙和種子的體積比約為

3∶1。5

芽苗培育5.1 播種時期播種期宜在

1

2

月。5.2 播種2

1500

1500

45％的復合肥150

kg/hm

，均勻翻入土中。70％甲基硫菌靈（甲基托布津）按

900

g/hm

～1350

g/hm

5.3 覆土、灑水、消毒2

h

70布津）800

倍液進行一次消毒。5.4 做拱蓋膜苗床應做拱，拱高

cm～60

，拱距

100

cm～

cm，覆蓋薄膜。5.5 苗床管理苗床過干時應及時補水。溫度過高時應及時揭開薄膜兩端通氣降溫并適當遮蔭。5.6 芽苗煉苗移栽前

2

d，在陰天或晴天傍晚揭膜煉苗，并用

50％的多菌靈或

70％甲基硫菌靈（甲基托布津）800

倍液噴施，防止幼苗發(fā)生猝倒病。6

一年生裸根苗培育6.1 圃地準備6.1.1 圃地選擇宜選擇排水良好、土壤肥沃、

值

～6.5

的壤土或沙壤土，并符合

的規(guī)定。6.1.2兩次翻耕，翻耕深度

20

～25

cm，應清除草根、石塊，碎土整平。6.1.3 施基肥226.1.4 苗床應平整無積水，寬

cm～

cm

20

，長度依地形而定，但不宜超過

cm，步道寬30

cm。6.1.5 土壤消毒223

d～5

d。6.2 芽苗移栽芽苗長出

2

片對生子葉至

1

片初生葉時移栽。將芽苗床澆透水，隨起隨栽，栽植前切除芽苗主根長的

1/3，按株行距

×18

cm

移栽到準備好的苗床上，壓實并澆透水，用

50％的多菌靈或

％甲基硫菌靈（甲基托布津）

倍液噴施苗木防病。移栽宜在低溫陰雨天進行。肥按

45.5

kg/hm

～75

肥按

45.5

kg/hm

～75

的用量，兌水至濃度

0.2％～％噴施于苗木上或澆灌于苗行間。9

氰菊酯）進行苗木噴霧，隔

7

d～10

d

噴施一次，或用護地凈或地蟲殺星進行撒施，用量

kg/hm

。7

一年生容器苗培育7.1基質(zhì)準備使用黃心土、泥炭土、珍珠巖和糠殼灰配制容器苗基質(zhì)，配比以體積計宜為

30％黃心土、20炭土、30

20％糠殼灰，用

50％的多菌靈或

70％甲基硫菌靈（甲基托布津）

倍液噴施基質(zhì)和容器消毒防病。7.2容器袋規(guī)格宜采用規(guī)格為

cm×12

cm

LY/T

2752

的規(guī)定。7.3 芽苗移栽栽植前切除芽苗主根長的

1/3

1/2

或

1

苗栽植于容器中央，深度在根頸以上

cm～1

cm，用手輕輕提苗，使根系舒展，再填滿土壓實，使根土密接，澆透水。容器苗擺放在

m

苗床上，每擺放

4

20

。8

苗木管理8.1 遮蔭6

月～8

月宜用遮光率

70％～80％的遮陽網(wǎng)進行遮蔭，蔭棚高度

m～

m。8.2 水分管理澆水宜在陰天或晴天的早、晚進行，適時適量澆水，保持土壤濕潤，雨季注意排水。8.3 除草松土系。8.4 施肥施肥宜在陰天或晴天的早、晚進行。苗木出土后約

50

d，用氮、磷、鉀總養(yǎng)分不低于

22旬以后，每隔

d，噴施濃度

2

3

次，以促進苗木木質(zhì)化。8.5 病蟲害防治苗期病害主要為根莖立枯病，4

月初至

5

月中旬，應使用

70％敵克松粉劑

倍液進行土壤澆灌，并用

％的多菌靈或

70％甲基硫菌靈（甲基托布津）800～1000

倍液交替噴霧，每隔

7

d

輪換一次。

5

月下旬至

7

1500～2000

2施藥宜在陰天或下午

4

點以后進行，日常肥水管理宜在施藥

2

d～4

d

后，以免降低藥效。cmcmcmcmcmcm700.602020500.4520151100.602530800.502020DB43/T

2441—9

苗木質(zhì)量苗木分級依據(jù)和方法按

的要求執(zhí)行，苗木質(zhì)量應符合表

1

的規(guī)定。表

1表

1浙江柿苗木質(zhì)量10.1 時間出圃時間宜在當年

月～翌年

3

月上旬。10.2 包裝運輸

％黃心土、10％鈣鎂磷肥加適量

GGR6

50

株一捆包裝好，用塑料袋包好根部。

15

器袋中基質(zhì)散開。運到后，