SN/T 3403-2012Detection and identification of Phytophthora phaseoli Thaxter (English PDF)
菜豆疫霉检疫鉴定方法
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Issued by
General Administration of Customs
Level / Type
National · Recommended
Issue date
December 12, 2012
Implementation date
July 1, 2013
Scope
SN/T 3403-2012 is the English-translated version of 菜豆疫霉检疫鉴定方法.
SN/T 3403-2012 - This standard specifies the bean Phytophthora (PhytophthoraphaseoliThaxter) lima beans (PhaseoluslunatusL.) On Quarantine and identification methods. This standard applies to Phytophthora bean seed and host plant quarantine.
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Document preview — SN/T 3403-2012
National Standard of the People's Republic of China
Issued by: General Administration of Customs
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3.1 Taxonomic status
- 3.2 Mode of transmission of pathogens
- 3.3 Identification of principle
- 4 Appliances, instruments and reagents
- 4.1 Instrument appliances
- 4.2 Reagents and culture medium
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. People's Republic of China, Shenzhen Entry-Exit Inspection and Quarantine Bureau, Shenzhen Inspection and Quarantine Science Research Institute, the Chinese people Republic of Beijing Exit Inspection and Quarantine.
1 Scope
This standard specifies the bean Phytophthora (PhytophthoraphaseoliThaxter) lima beans (PhaseoluslunatusL.) On Quarantine and identification methods.
This standard applies to Phytophthora bean seed and host plant quarantine.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document.
SN/T 1809 export plant quarantine rules for seed SN/T 2122 entry and exit quarantine of plants and plant products sampled Principle 3
3.1 Taxonomic status
English name. LimaBeanDownyMildew Name. PhytophthoraphaseoliThaxter Bean blight genus eukaryotes (Eukaryota), algae bacteria community (Chromalveolata), Oomycetes (Oomycetes), Pythium Head (Pythiales), Pythium Branch (Pythiaceae), Phytophthora (Phytophthora).
3.2 Mode of transmission of pathogens
Oospores overwinter in the soil or plant debris, seeds or pods oospores formed after wintering as a primary infection source. High humidity Under the conditions, the bacteria produce large amounts of sporangia, means of wind and rain spread.
3.3 Identification of principle
According to the distribution of pathogens, host range and damage symptoms on host plants (see Appendix A), morphological characteristics, microsurgery Mirrors and other relevant instruments of common bean Phytophthora quarantine identified.
4 Appliances, instruments and reagents
4.1 Instrument appliances
Stereo microscope, microscopes, ovens, autoclaves, clean benches, light incubator or light training aircraft, UV lamp, hand-held magnifying glass, Filter paper, beakers, Petri dishes, test tubes, flasks, forceps, scalpels, slides, cover slips, measuring alcohol lamp, straw.
4.2 Reagents and culture medium
4.2.1 Reagents
Sterile water, 1.25% sodium hypochlorite.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 7 pages — is available in the English PDF.
Referenced standards
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Related Standards
SN/T 2122-2008 — Sampling for the quarantine of plants and their products for import and export
SN/T 2122-2015 — Rules sampling for the quarantine of plants and their products for import and export
SN/T 0330-2025 — General rules for microbiological examinations of export food
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