LY/T 3391-2024 植物新品种特异性、一致性、稳定性测试指南 紫荆属

ICS65.020.20

CCSB05

中华人民共和国林业行业标准

LY/T3391—2024

植物新品种特异性、一致性、稳定性

测试指南紫荆属

Guidelinesfortheconductoftestsfordistinctness，

uniformityandstability—Redbud（CercisL.）

2024⁃02⁃07发布2024⁃06⁃01实施

国家林业和草原局发布

中国标准出版社出版

LY/T3391—2024

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缩略语····················································································································1

5测试材料·················································································································1

6测试方法·················································································································2

7特异性、一致性、稳定性判定·························································································2

8品种分组·················································································································3

9性状表····················································································································4

10技术问卷···············································································································6

附录A（规范性）性状表································································································7

附录B（规范性）性状表解释·························································································11

附录C（规范性）技术问卷····························································································14

参考文献····················································································································18

Ⅰ

LY/T3391—2024

前言

本文件按照GB/T1.1—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。

本文件由国家林业和草原局提出。

本文件由国家林业和草原局植物新品种保护办公室归口。

本文件起草单位：山东省林业科学研究院、河南四季春园林艺术工程有限公司、中国科学院植物研

究所。

本文件主要起草人：荀守华、韩丛聪、毛秀红、张林、吴德军、乔艳辉、唐宇丹、冯立凯、刘翠兰、

燕丽萍、仲伟国、王因花、梁燕、王晓英、王颖。

Ⅲ

LY/T3391—2024

植物新品种特异性、一致性、稳定性

测试指南紫荆属

1范围

本文件规定了紫荆属（CercisL.）植物新品种特异性、一致性和稳定性测试的技术要求。

本文件适用于紫荆属植物新品种特异性、一致性和稳定性测试。

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。

GB/T19557.1植物新品种特异性、一致性、稳定性测试指南总则

3术语和定义

GB/T19557.1界定的术语和定义适用于本文件。

4缩略语

下列缩略语适用于本文件。

QL:质量性状(qualitativecharacteristics）

QN:数量性状(quantitativecharacteristics)

PQ:假质量性状(pseudo⁃qualitativecharacteristics）

MG:群体测量(measurementforagroupofplants)

MS:个体测量(measurementforanumberofsingleplants)

VG:群体目测(visualobservationforagroupofplants)

VS:个体目测(visualobservationforanumberofsingleplants)

TG:测试指南(testguideline)

DUS:特异性、一致性和稳定性(distinctness，uniformityandstability)

5测试材料

5.1申请人应按规定时间和地点提交符合数量和质量要求的测试材料。从境外或其他地区提交测试

材料应符合海关、植物检疫等要求。

5.2提交的测试材料应为无性繁殖的至少1年生植株，嫁接繁殖应说明砧木种类和年龄。

5.3提交的测试材料数量应不少于10株。

5.4提交的测试材料应无病虫害、外观健康、生长正常。

5.5提交的测试材料除审批机构允许，不应进行影响性状表达的处理。如已处理，应提供详细信息。

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