标准解读

LY/T 3390-2024 是一项关于植物新品种特异性、一致性和稳定性测试的国家标准,专门针对皂荚属植物。本标准旨在为皂荚属植物新品种的鉴定和保护提供科学、统一的评估方法和流程,确保新品种的独特性、遗传稳定性和商业价值。以下是该标准的主要内容解析:

标准适用范围

本标准适用于皂荚属(Gleditsia)植物新品种的特异性(即与已知品种在至少一个可观察特征上的明显差异)、一致性(同一品种不同个体间在指定特征上的一致表现)和稳定性(该品种在不同环境条件或世代间保持其特征的能力)的测试与评估。

测试原则

  • 科学性:测试应基于现代生物学理论和技术,确保测试结果的准确性和可靠性。
  • 统一性:采用统一的测试方法和评判标准,以保证测试结果的可比性和互认性。
  • 客观性:测试过程中需记录详实,评价应基于可量化或可观察的特征。
  • 实用性:测试方法应简便易行,适合实际应用,同时考虑经济效益和资源节约。

测试内容

  1. 特异性测试:通过比较候选新品种与已知品种在形态学、生物学特性、分子标记等方面的差异,确认其独特性。
  2. 一致性测试:在不同生长阶段和环境下,对候选新品种多个个体进行观察和测量,验证其关键特征的一致性表现。
  3. 稳定性测试:通过连续几代的繁殖试验,评估候选新品种的主要特征是否能在不同世代间保持不变。

测试方法

  • 形态学特征:记录并比较植物的形态结构,如株高、叶形、花色、果实形态等。
  • 生物学特性:分析生长周期、抗逆性(如抗旱、抗病)等。
  • 分子标记:运用DNA指纹图谱等技术,从遗传水平验证品种的独特性。
  • 环境适应性试验:在不同生态条件下种植,评估品种的稳定表现。

报告与结论

完成所有测试后,需编制详细的测试报告,包括测试过程、数据记录、分析结果及最终结论。结论部分应明确指出该皂荚属植物新品种是否满足特异性、一致性和稳定性要求,为后续的品种注册、保护及商业化应用提供科学依据。

实施与监督

本标准由相关林业或农业管理部门负责推广实施,并对测试机构进行监督,确保测试工作的规范性和公正性。


如需获取更多详尽信息,请直接参考下方经官方授权发布的权威标准文档。

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文档简介

ICS65.020.20

CCSB05

中华人民共和国林业行业标准

LY/T3390—2024

植物新品种特异性、一致性、稳定性

测试指南皂荚属

Guidelinesfortheconductoftestsfor

distinctness,uniformityandstability—HoneyLocust(GleditsiaLinn.)

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/T3390—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测试材料要求···········································································································1

6测试技术要求··········································································································2

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

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

9性状表····················································································································3

10性状表解释············································································································6

11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·························································································10

附录C(规范性)皂荚属技术问卷···················································································15

参考文献····················································································································19

LY/T3390—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。

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:山西林业职业技术学院、山西省中条山国有林管理局、北京东方兴源林业生态研

究院。

本文件主要起草人:王刚狮、刘瑞霞、佘波、时宝凌、贾泽凡、郭晓军、张海军、裴淑兰、雷淑慧。

LY/T3390—2024

植物新品种特异性、一致性、稳定性

测试指南皂荚属

1范围

本文件规定了皂荚属(GleditsiaLinn.)(及种间杂交或属间杂交)植物新品种特异性、一致性和稳定

性测试的技术要求。

本文件适用于皂荚属(及种间杂交或属间杂交)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、一致性和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

4.1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测试材料要求

5.1由品种权审批机构决定品种测试所需要的测试材料数量和质量以及提交测试

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