LY/T 1851-2009 English PDF

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LY/T 1851-2009: Guidelines for the conduct of tests for distinctness, uniformity and stability. Chestnut(Castanea mollissima Bl.)

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
LY/T 1851-2009	599	Add to Cart	3 days	Guidelines for the conduct of tests for distinctness, uniformity and stability. Chestnut(Castanea mollissima Bl.)

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Basic data

Standard ID: LY/T 1851-2009 (LY/T1851-2009)
Description (Translated English): Guidelines for the conduct of tests for distinctness, uniformity and stability. Chestnut(Castanea mollissima Bl.)
Sector / Industry: Forestry Industry Standard (Recommended)
Classification of Chinese Standard: B61
Classification of International Standard: 65.020
Word Count Estimation: 17,125
Date of Issue: 2009-06-18
Date of Implementation: 2009-10-01
Quoted Standard: GB/T 19557.1-2004
Regulation (derived from): Industry standard filing Notice 2009 No. 8
Issuing agency(ies): State Forestry Administration
Summary: This standard specifies the chestnut (Castanea mollissima Bl.) New plant varieties for distinctness, uniformity, stability testing technical requirements. This standard applies to all chestnut test new varieties of plants.

LY/T 1851-2009: Guidelines for the conduct of tests for distinctness, uniformity and stability. Chestnut(Castanea mollissima Bl.)

---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 of tests for distinctness, uniformity and stability. Chestnut (Castanea mollissima Bl.) ICS 65.020 B61 People's Republic of China Forestry Industry Standard New plant variety specificity, consistency, Stability Test Guide Chestnut Released on June 17,.2009 2009-10-01 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 symbols description 4 7.1 Feature Type 4 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 is based on GB/T 19557.1-2004 "General guidelines for the specificity, consistency and stability of new plant varieties". Appendix A of this standard is a normative appendix, and Appendix B is an informative appendix. This standard is proposed and managed by the Office of Plant Variety Protection of the State Forestry Administration. This standard is drafted by. Hubei Forestry Bureau Forest Tree Seedling Management Station, State Forestry Administration Plant New Variety Protection Office. The main drafters of this standard. Zhou Bicheng, Ouyang Shaoxiang, Zhou Jianren, Huang Faji, Shi Tao, Tu Heping, Xiong Donglian, Xu Yuhai, Liu Xiaowu, Yang Yulin, Xu Hongxia. New plant variety specificity, consistency, Stability Test Guide Chestnut

1 Scope

This standard applies to the testing of all new varieties of chestnut plants.

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 (not including errata content) or revisions do not apply to this standard, however, parties to agreements based on this standard are encouraged to study Is it possible to use the latest version of these files? 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 Among the three chestnuts that are fully developed in the poncho, the fruits on both sides are the edulis. 3.2 The connecting part of the fruit and the ball is the channel for the nutrient and water to be absorbed during the growth and development of the fruit. The brown part. 3.3 The dividing line between the nut base and the crotch.

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 2 to 3 year old plants that are propagated by grafting. 4.1.3 The number of test materials provided shall not be less than 6 strains. 4.1.4 The material to be tested shall be a plant that is free of pests and diseases and grows 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. 4.2.2 Test location The test site to be tested shall be carried out in the test base and laboratory designated by the approval authority. ......

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