GB/T 19557.5-2017Guidelines for the conduct of tests for distinctness, uniformity and stability—Chinese cabbage(Brassica campestris L.ssp.pekinensis(Lour) Olsson) (English PDF)
植物品种特异性、一致性和稳定性测试指南 大白菜
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
November 1, 2017
Implementation date
May 1, 2018
Scope
GB/T 19557.5-2017 is the English-translated version of 植物品种特异性、一致性和稳定性测试指南 大白菜.
GB/T 19557.5-2017 is the Chinese guideline for testing the distinctness, uniformity and stability of Chinese cabbage (Brassica campestris L. ssp. pekinensis) varieties.
It sets out the technical requirements for these tests and the general principles for judging their results, including the requirements for the propagating material, the test methods, the assessment of distinctness, uniformity and stability, and the grouping characteristics.
Normative annexes give the table of characteristics, its explanation and the technical questionnaire for applicants. It defines the ways characteristics are observed, from single measurement of a group of plants to individual visual assessment, and refers to GB/T 19557.1 and UPOV guideline TG/105/4.
Plant variety testing centres and breeders use it. It replaces GB/T 19557.5-2004, was issued on 1 November 2017 and has applied since 1 May 2018.
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Document preview — GB/T 19557.5-2017
National Standard of the People's Republic of China
- ICS
- 65.020.20
- Classification
- B 05
- Replacing
- GB/T 19557.5-2004
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Symbol
- 5 Propagation material requirements
- 6 Test method
- 7 Specificity, consistency and stability of the judgment
- 8 Trait table
- 9 Group traits
- 10 Technical Questionnaire
- Appendix A (Normative) Chinese cabbage trait Table
- Appendix B (Normative) Cabbage trait table interpretation
- Appendix C (Normative) Chinese cabbage Technical Questionnaire
Foreword
This section drafted in accordance with GB/T 1.1-2009 given rules.
This Part replaces GB/T 19557.5-2004 "new plant species specificity, consistency and stability test guide cabbage." This section compared with GB/T 19557.5-2004, in addition to editorial changes outside the main technical differences are as follows.
--- Reproduction material requirements "Propagation material" is amended to "seed" (see 5.3, 5.4 and 5.5, 2004 edition Chapter 4);
--- Modify the number of samples in the field trials and conformance determination (see 6.3.1 and 7.3, 2004 edition 5.3 and 6.3);
--- Modify part of the state of expression or standard varieties (see A.1 and A.2, 2004 edition A.1 and A.2);
--- Increase or replacement of some traits of standard varieties pictures (see Appendix B, 2004 edition of Appendix B);
--- Modify the type of product (see Appendix C four, 2004 edition of Appendix C five).
1 Scope
GB/T 19557 provisions of this section of Chinese cabbage [Brassica campestris L. ssp. pekinensis (Lour) Olsson] varieties Specificity, consistency and stability testing of the technical requirements and determine the general principles of the results.
This section applies to Chinese cabbage varieties specificity, consistency and stability testing and determination of the results.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this document. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 3543.3 Crop seed testing procedures Clarity analysis
GB/T 3543.4 crop seed testing procedures sprout test
GB/T 3543.6 Crop seed testing procedures moisture content
GB 16715.2 vegetable crops seeds Part 2: Cabbage
GB/T 19557.1 New Plant Species Specificity, Consistency and Stability Test Guidelines General
TG/105/4 Guide to Plant Species Specificity, Consistency and Stability Testing Chinese cabbage (Guidelines for the conduct of tests for distinctness, uniformity and stability - Chinese cabbage)
3 Terms and definitions
GB/T 19557.1 defined and the following terms and definitions apply to this document.
3.1 Group measurement
An organ or part of a group of plants or plants is measured and a group record is obtained.
3.2 Individual measurement
Individuals or parts of a plant or plant were measured one by one to obtain a set of individual records.
3.3 Visual inspection of the group
A group of plants or plant organs or parts of a visual inspection, access to a group record.
3.4 Individual visual assessment
A group of plants or plant organs or parts of a visual inspection to obtain a set of individual records.
4 Symbol
The following symbols apply to this document.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 30 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 3543.3Rules for agricultural seed testing — Part 3: Sowing quality — Purity analysis
- GB/T 3543.4Rules for agricultural seed testing — Part 4: Sowing quality — Germination test
- GB/T 3543.6Rules for agricultural seed testing — Part 6: Sowing quality — Determination of moisture content
- GB 16715.2Seed of gourd and vegetable Part 2: Chinese cabbage
- GB/T 19557.1Guidelines for the tests of distinctness, uniformity and stability for plant varieties - General
Similar standards
Editions of GB/T 19557.5
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 19557.5-2017 | Guidelines for the conduct of tests for distinctness, uniformity and stability—Chinese cabbage(Brassica campestris L.ssp.pekinensis(Lour) Olsson) | current edition | Current |
| GB/T 19557.5-2004 | Guidelines for the conduct of tests for distinctness, uniformity and stability—Chinese cabbage(Brassica campestris L.ssp.pekinensis(Lour) Olsson) | previous edition | Superseded |
This page sells the current edition, GB/T 19557.5-2017. Earlier editions are listed for reference only.
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Related Standards
GB 16715.2-2010 — Seed of gourd and vegetable Part 2: Chinese cabbage
GB/T 19557.1-2004 — General directives for the conduct of tests of distinctness，uniformity and stability for new varietiesof plants
GB/T 19557.1-2026 — Guidelines for the tests of distinctness, uniformity and stability for plant varieties - General
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