LY/T 1869-2010 English PDF

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LY/T 1869-2010: Guidelines for the conduct tests for distinctness, uniformity and stability. Spruce (Picea L)

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Basic data

Standard ID: LY/T 1869-2010 (LY/T1869-2010)
Description (Translated English): Guidelines for the conduct tests for distinctness, uniformity and stability. Spruce (Picea L)
Sector / Industry: Forestry Industry Standard (Recommended)
Classification of Chinese Standard: B15
Classification of International Standard: 65.020
Word Count Estimation: 20,269
Date of Issue: 2010-02-09
Date of Implementation: 2010-06-01
Quoted Standard: GB/T 19557.1-2004
Regulation (derived from): State Forestry Administration Notice 2010 No. 2; industry standard filing Notice 2010 No. 5 (No. 125 overall)
Issuing agency(ies): State Forestry Administration
Summary: This standard specifies the Pinaceae Picea (Picea L.) new plant varieties for distinctness, uniformity, stability testing technical requirements. This standard applies to all Picea test new varieties of plants.

LY/T 1869-2010: Guidelines for the conduct tests for distinctness, uniformity and stability. Spruce (Picea L)

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Guidelines for the conduct tests for distinctness, uniformity and stability. Spruce (Picea L) ICS 65.020 B15 People's Republic of China Forestry Industry Standard New plant variety specificity, consistency, Stability Test Guide Spruce Released on.2010-02-09 2010-06-01 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 1 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 Feature Type 3 7.2 Expression status and code 3 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 14 Reference 16

Foreword

This standard is based on the national standard GB/T 19557.1-2004 "General guidelines for the specificity, consistency and stability of new plant varieties" Formulated. Appendix A of this standard is a normative appendix, and Appendix B is an informative appendix. This standard is under the jurisdiction of the State Forestry Administration. This standard is drafted by. Institute of Botany, Chinese Academy of Sciences, State Forestry Administration Plant New Variety Protection Office. The main drafters of this standard. Tang Yudan, Zhou Jianren, Yao Wei, Huang Faji, Feng Guiqiang, Wang Qiong, Xu Xin, Qi Dong, Han Yi, Yang Yulin, Li Jiange. New plant variety specificity, consistency, Stability Test Guide Spruce

1 Scope

This standard applies to the testing of all new species of spruce.

2 Normative references

The terms in the following documents become the terms of this standard by reference to this standard. All dated references, followed by all Modifications (excluding errata content) or revisions do not apply to this standard, however, studies that encourage agreements based on this standard are No, the latest version of these files can be used. For undated references, the latest edition applies to this standard. 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 apply to this standard. 3.1 a white, blue-white or gray dotted line formed by linearly arranged pores on both sides of the meridian (or lower) surface of the needles of the spruce. The stomata lines are arranged in a nearly parallel arrangement to form stomata bands on both sides of the midrib. 3.2 The resin gland inside the needle is developed to form a tube that runs through the needle, and the cross section of the needle is observed with a naked eye or a magnifying glass. The side of the end or both ends. 3.3 After the leaf buds open and grow, the buds at the base of the shoots do not fall off.

4 DUS test technical requirements

4.1 Test materials 4.1.1 The time and place of the test variety delivered by the approval authority and the quantity and quality of the plant material required for testing. Non-tested For materials submitted by the state or region, the applicant shall provide relevant documents such as customs and phytosanitary in accordance with the relevant provisions on entry and exit and transportation. 4.1.2 The test materials submitted should be plants that have been propagated for more than 3 years by cutting or grafting. 4.1.3 The number of test materials provided shall not be less than 15 strains. 4.1.4 The new variety of materials to be tested shall be plants that are free of pests and diseases and grow normally. 4.1.5 Except where the approval authority permits or requires the treatment of the material, the submitted plant material shall not be subject to any amount of trait expression. External processing. If it has been processed, details of the processing should be provided. 4.2 Test methods 4.2.1 Test cycle and time Test at least one growth cycle if the test conditions are met. ......

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