GB/T 19557.9-2017Guidelines for the conduct of tests fordistinctness, uniformity and stability－Mustard(Brassica juncea(L.)Czern.et Coss) (English PDF)
植物品种特异性、一致性和稳定性测试指南 芥菜
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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 19557.9-2017 is the English-translated version of 植物品种特异性、一致性和稳定性测试指南 芥菜.
GB/T 19557.9-2017 is the part of GB/T 19557 that sets out how to test varieties of mustard (Brassica juncea (L.) Czern. et Coss) for distinctness, uniformity and stability and how to judge the results.
It applies to the sixteen varietal types of mustard named in its scope and to varieties bred by crossing them.
It lays down the requirements for propagating material, the test method, the assessment of distinctness, uniformity and stability, the trait table, the grouping traits and the technical questionnaire, with the trait table, its explanation and the questionnaire in normative Annexes A, B and C. It defines group and individual measurement and visual observation, with the symbols MG and MS, and refers to the GB/T 3543 seed testing procedures and GB/T 19557.1. It was issued on 1 November 2017 and has applied since 1 May 2018.
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Document preview — GB/T 19557.9-2017
National Standard of the People's Republic of China
- ICS
- 65.020.20
- Classification
- B 05
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) Mustard trait Table
- Appendix B (Normative) Explanation of the traits of mustard table
- Appendix C (Normative) Mustard Technical Questionnaire
- References
Foreword
This section drafted in accordance with GB/T 1.1-2009 given rules.
1 Scope
This standard specifies the mustard (Brassica juncea (L.) Czern. et Coss) species specificity, consistency and stability testing techniques General principles of requirements and outcome determination.
This standard applies to mustard middle mustard, mustard with stems, roots mustard and mustard with sedge 16 varieties and cross between varieties of breeding The resulting species specificity, consistency and stability testing and outcome determination.
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/T 19557.1 New Plant Species Specificity, Consistency and Stability Test Guidelines General
3 Terms and definitions
GB/T 19557.1 defined 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 measurements
Individuals or parts of a plant or plant were measured one by one to obtain a set of individual records.
3.3 Group visual observation
A group of plants or plant organs or parts of a visual inspection, access to a group record.
3.4 Individual visual observation
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.
MG. Group Measurement.
MS. Individual measurement.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 44 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/T 19557.1Guidelines for the tests of distinctness, uniformity and stability for plant varieties - General
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Related Standards
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