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LY/T 2598-2016 English PDF

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LY/T 2598-2016: Guidelines for the conduct of tests for distinctness, uniformity and stability(DUS). Pine (Pinus L.)
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Basic data

Standard ID LY/T 2598-2016 (LY/T2598-2016)
Description (Translated English) Guidelines for the conduct of tests for distinctness, uniformity and stability(DUS). Pine (Pinus L.)
Sector / Industry Forestry Industry Standard (Recommended)
Classification of Chinese Standard B61
Classification of International Standard 65.020
Word Count Estimation 17,181
Date of Issue 2016-01-18
Date of Implementation 2016-06-01
Quoted Standard GB/T 19557.1-2004
Regulation (derived from) ?State Forestry Bureau Announcement 2016 No.1
Issuing agency(ies) State Forestry Administration
Summary This standard specifies the specific technical requirements for testing the specificity, consistency and stability of new Pinus L. plant species. This standard is applicable to DUS testing of new varieties of Pine.

LY/T 2598-2016: Guidelines for the conduct of tests for distinctness, uniformity and stability(DUS). Pine (Pinus L.)


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Guidelines for the conduct of tests for distinctness, uniformity and stability(DUS).Pine (Pinus L.) ICS 65.020 B61 People's Republic of China Forestry Industry Standard New plant variety specificity, consistency, Stability Test Guide Released on.2016-01-18 2016-06-01 implementation State Forestry Administration released

Content

Foreword III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 DUS test technical requirements 1 4.1 Test material 1 4.2 Test Method 2 5 Specificity, consistency and stability evaluation 3 5.1 specificity 3 5.2 Consistency 3 5.3 Stability 3 6 variety group 3 6.1 Variety group description 3 6.2 Grouping Features 3 7 trait characteristics and related symbol description 3 7.1 trait type 3 7.2 Expression Status and Code 4 7.3 Expression Type 4 7.4 Standard Variety 4 7.5 Symbol Description 4 Appendix A (Normative Appendix) Variety traits characteristics 5 Appendix B (informative) Technical Questionnaire 11 Reference 13

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009 and GB/T 19557.1-2004. This standard is proposed and managed by the Office of Plant Variety Protection of the State Forestry Administration of the People's Republic of China. This standard was drafted. Beijing Forestry University, State Forestry Administration. The main drafters of this standard. Jia Guixia, Cao Panpan, Xiao Xin, Zhang Mingfang, He Hengbin, Zhou Yanping, Cao Qinzheng, Du Rui, Gao Li, Cheng Tangren, Wang Jia. New plant variety specificity, consistency, Stability Test Guide

1 Scope

This standard specifies the specific technical requirements for the specificity, consistency and stability of new varieties of Pinus L. plants. This standard applies to the DUS test of new species of Pinus.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 19557.1-2004 General guidelines for the testing of plant species specificity, consistency and stability

3 Terms and definitions

The following terms and definitions as defined in GB/T 19557.1-2004 apply to this document. 3.1 Stomatal line stomatallines A white dotted line formed by the linearly arranged pores on the surface of the needles of Pinus. 3.2 Male ball flower malecone Also known as microspore leaf ball, composed of a plurality of microspores with microsporangia, microspores are arranged spirally around the central axis. Pinus The male flowers often gather at the base of the new shoots of the year, which are oblong or oblong.

4 DUS test technical requirements

4.1 Test materials 4.1.1 The time, place and test materials for the applicant to submit the test materials to the applicant (the New Variety Protection Office of the State Forestry Administration) Quantity and quality. For test materials submitted from non-test countries or regions, applicants shall follow the relevant regulations for entry and exit and transportation of each country. Provide relevant documents such as customs and phytosanitary. 4.1.2 The submitted test materials are those plants that have been obtained by asexual reproduction for 3 years (inclusive) or more, such as the male flower and the female flower (fruit). The characteristics of the test are required to provide plants of 5 years or older. 4.1.3 The number of test materials provided shall not be less than 10 strains. The new variety of materials to be tested should be healthy, normal growth, and plants infected with no pests and diseases. 4.1.4 The test materials provided by the applicant shall not have any influence except that the approval authority permits or requires the processing of the materials provided. Additional processing of its trait expression; if treatment has been taken, details of the treatment should be provided.

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