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43 湖南省地方标准 ICS CCS 65.020.40 B 61 DB43/T21—2021 83 发 布 湖南省市场监督管理局2021-10发布-14 2021-12实施-14紫薇高接换冠技术规程 Code of practice for high grafting of Lagerstroemia indica DB43/T 2183—2021 I 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 嫁接品种选择 ································ ································ ································ ········· 1 5 砧木选择 ································ ································ ································ ··············· 1 6 接穗采集与贮藏 ································ ································ ································ ······ 1 7 嫁接 ································ ································ ································ ····················· 1 7.1 嫁接时间 ································ ································ ································ ········· 1 7.2 嫁接方法 ································ ································ ································ ········· 2 8 接后管理 ································ ································ ································ ··············· 2 8.1 抹芽与除萌 ································ ································ ································ ······ 2 8.2 解罩 ································ ································ ································ ··············· 2 8.3 划膜 ································ ································ ································ ··············· 2 8.4 绑扶 ································ ································ ································ ··············· 3 8.5 冠形培养 ································ ································ ································ ········· 3 8.6 修枝整形 ································ ································ ································ ········· 3 8.7 解绑 ································ ································ ································ ··············· 3 8.8 栽培管理 ································ ································ ································ ········· 3 8.9 主要病虫害防治 ································ ································ ································ 3 9 技术档案管 理 ································ ································ ································ ········· 3 附录A(资料性) 紫薇主要病虫害防治方法 ································ ································ ···· 4 DB43/T 2183—2021 II DB43/T 2183—2021 III 前 言 本文件按照 GB/T 1.1 —2020《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:郴州市林业科学研究所、湖南省林业科学院、北京林业大学、湖北省林业科学研 究院。 本文件主要起草人:何才生、李茂娟、张海霞、王晓明、曾慧杰、潘会堂、杨彦伶、蔡 明、王湘莹、 崔强、李永欣、蔡能、乔中全、徐毓泽、刘海石、曹野。 DB43/T 2183—2021 IV DB43/T 2183—2021 1 紫薇高接换冠技术规程 1 范围 本文件规定了紫薇( Lagerstroemia indica )高接换冠的嫁接品种选择、砧木选择、接穗采集与贮藏、 嫁接、接后管理、技术档案管理等技术要求。 本文件适用于湖南省紫薇高接换冠品种改造。 2 规范性引用文件 下列文件 中的内容通过文 中的规范性引用而构成本文件必不可少的条款。其中,注日期的引用 文件,仅 该日期对应的版本适用于本文件;不注日期的引用文件,其最新版本(包括所有的修改单)适用于 本文件。 DB43/T 1845 紫薇良种苗木分级 3 术语和定义 下列术语和定义适用于本文件。 3.1 高接换冠 High grafting 在紫薇成年树上嫁接紫薇优良品种,以替换品种或原树冠而进行的一种改造更新方法。 4 嫁接品种选择 选择国家林业和草原局林木品种审定委员会或湖南省林木品种审定委员会审定或认定的紫薇优良 品种。品种参见 DB43/T 1845 附录A。 5 砧木选择 选择3个~5个分枝角度均匀、干直光滑、生长健壮、无病虫害的直径≥ 2.0 cm的主枝作砧木,其 它枝条全部锯除。 6 接穗采集与贮藏 从健壮母树树冠中、上部外围采集发育充实和无病虫害 的枝条。穗条宜随采随接。从外地采集的穗 条注意保湿,嫁接前放置荫凉处或埋入湿砂贮藏。分品种捆扎,标好品种名称和采集地点。 7 嫁接 7.1 嫁接时间 DB43/T 2183—20
DB43-T 2183-2021 紫薇高接换冠技术规程 湖南省
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