GB/T 15699-2013 English PDF

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GB/T 15699-2013: Rules for tobacco blue mold quarantine
Status: Valid

GB/T 15699: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 15699-2013	209	Add to Cart	3 days	Rules for tobacco blue mold quarantine	Valid
GB 15699-1995	439	Add to Cart	4 days	Rules for tobacco seed (blue mold) quarantine	Obsolete

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Basic data

Standard ID: GB/T 15699-2013 (GB/T15699-2013)
Description (Translated English): Rules for tobacco blue mold quarantine
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: X85
Classification of International Standard: 65.160
Word Count Estimation: 9,928
Older Standard (superseded by this standard): GB 15699-1995
Quoted Standard: GB/T 18086-2000
Regulation (derived from): National Standards Bulletin No. 22 of 2013
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies: Tobacco downy quarantine procedures and methods. This standard applies to: all immigrants tobacco seeds, seedlings and tobacco downy quarantine.

GB/T 15699-2013: Rules for tobacco blue mold quarantine

---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.
Rules for tobacco blue mold quarantine ICS 65.160 X85 National Standards of People's Republic of China Replacing GB 15699-1995 Tobacco downy mildew quarantine rules Issued on. 2013-11-12 2014-04-11 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard replaces GB 15699-1995 "seed tobacco downy mildew quarantine rules," compared with GB 15699-1995 major technological changes as follows. --- Expand the scope to "a variety of immigration tobacco seeds, seedlings and tobacco downy mildew quarantine" (see Chapter 1, 1995 edition Chapter 1); --- Added "Normative references" (see Chapter 2); --- Increased "technical principles" (see Chapter 4); --- Added "tobacco leaf and seed" sample (see 6.1.2 and 6.1.3); --- Added "tobacco leaf and seed" in the sporangia and spores stem test (see 6.2.2 and 6.2.3); --- Added "tobacco" in the oospores detection (see 6.3.2); --- Remove the appendix (1995 edition Appendix A, Appendix B, Appendix C and Appendix D); Please note that some of the content of this document may involve patents. Release mechanism of the present document does not assume responsibility for the identification of these patents. This standard was proposed by the State Tobacco Monopoly Bureau. This standard by the National Standardization Technical Committee on Agriculture Technical Committee on Tobacco (SAC/TC144/SC2) centralized. This standard was drafted. Tobacco Research Institute of Chinese Academy of Agricultural Sciences. The main drafters of this standard. Pingquan Fu, Fan Yu, Feng Liping, Gu Xinghua, Nicholls, Zhang province, Chen Chang-fa, GAO Lian Xi. This standard replaces the standards previously issued as follows. --- GB 15699-1995. Tobacco downy mildew quarantine rules

1 Scope

This standard specifies the procedures and methods of tobacco downy mildew quarantine. This standard applies to all kinds of entry of tobacco seeds, seedlings and tobacco downy mildew 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. GB/T 18086-2000 smoke phytosanitary quarantine and identification of downy mildew

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Quarantine quarantine Dissemination of a measure taken to prevent the spread of dangerous tobacco pests and diseases. 3.2 Tobacco downy mildew tobaccobluemold Also known as blue mold, caused by tobacco downy mildew (Peronosporatabacina), tobacco leaves major damage, the system can also be infected roots, stems Vascular bundles, is a rapid spread of devastating diseases. NOTE. The disease occurs in Europe, America, Australia, China is no occurrence of the disease, so as Foreign quarantine. Pathogen Peronsporahyoscyami f.sptabacinaAdam, synonyms PeronsporanicotianaeSpeg, Peronosporatabacina Adam, belongs to the flagella cotina (Mastigo- mycotin), Oomycetes (Oomycetes), downy mildew mesh (Peronosporales) downy mildew Branch (Peronosporaceae), Peronospora (Peronospora).

4 technical principles

4.1 Principle quarantine Tobacco downy mildew obligate parasite, after being infected tobacco leaf damage, fuzzy edges appear nearly circular chlorotic spots, post-formed light brown Color necrotic lesion may fall off. Under appropriate temperature and humidity conditions, the surface of leaf lesions grow pale blue mold shaped, namely tobacco downy mildew sporangiophore And cysts; under certain conditions, can be formed oospores within disease tissue. Designed parasitic resistance and morphological characteristics of the pathogen is to identify tobacco downy mildew Disease basis. 4.2 identifying characteristics of tobacco downy mildew 4.2.1 characteristics of cysts and cyst stems Tobacco downy mildew sporangiophore colorless, pores extend from the host, the spindle relatively thick, the upper double-fork branches 3 to 10 times. Cyst Stem length 400μm ~ 750μm, base diameter 10μm ~ 12μm; branching angle greater the more points, the end of the bifurcated branch obtuse, slightly thick tine base Tapering to the end, the two prongs slightly different length, the longer an often curved, another branch than the straight end of long sticks 7μm ~ 14μm; cysts in the end ......

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