LY/T 2802-2017A New Plant Specificity, Consistency, Stability Test Guideline (English PDF)

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009:

Please note that certain contents of this document may involve patents: The issuing agency of this document is not responsible for identifying these patents:

This standard was proposed and managed by the Office of Plant Variety Protection of the State Forestry Administration:

This standard was drafted: Institute of Botany, Chinese Academy of Sciences:

1 Scope

This standard specifies the specificity, consistency, and stability testing techniques for new plant varieties of the Fraxinus Linn:

Claim:

This standard applies to the testing of all species of Ash tree:

2 Normative references

The following documents are indispensable for the application of this document: For dated reference documents, only the dated version applies to this article Pieces: For undated references, the latest version (including all amendments) applies to this document:

GB/T 19557.1-2004 General Principles of Testing Guidelines for Specificity, Consistency and Stability of New Plant Varieties

3 Terms and definitions

The terms and definitions defined in GB/T 19557.1-2004 apply to this document:

4 DUS test technical requirements

4.1 Test materials

4.1.1 The variety right applicant shall submit the plant materials of the tested variety that meet the quantity and quality requirements at the specified time and place: From non-testing country for the materials submitted by the country or region, the applicant shall provide the required documents such as customs and plant quarantine in accordance with the relevant regulations on entry, exit and transportation:

4.1.2 The test materials submitted should be 2 or more years old plants that are propagated by grafting or cutting, and the selection should be indicated by grafting and propagation the name of the rootstock:

4.1.3 The number of test materials submitted shall not be less than 15 plants:

4.1.4 The test materials submitted should be plants that are free of pests and diseases and grow normally:

4.1.5 The submitted test materials should not undergo any additional processing that affects the expression of traits: If it has been processed, details of the processing should be provided information:

4.2 Test method

4.2.1 Test cycle and time If the test conditions are met, at least one growth cycle should be tested:

4.2.2 Test location

The test should be carried out at the test site designated by the approval agency:

4.2.3 Test conditions the test should be carried out under the condition that the relevant characteristics of the test material can be fully expressed, and the selected test material should at least be in the test location