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GB/T 36831-2018Detection and identification of Cronartium fusiforme Hedgcock & Hunt ex Cummins (English PDF)

松纺锤瘤锈病菌检疫鉴定方法

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

September 17, 2018

Implementation date

April 1, 2019

Scope

GB/T 36831-2018 is the English-translated version of 松纺锤瘤锈病菌检疫鉴定方法.

GB/T 36831-2018 gives the method for detecting and identifying Cronartium fusiforme Hedgcock & Hunt ex Cummins, the fungus that causes fusiform rust of pine. It applies to plant quarantine inspection of the host pines, of the alternate hosts and of products that may carry the pathogen.

The standard first defines the structures used in identification across the life cycle of the rust: pycnia and pycniospores, aecia and aeciospores, uredinia and urediniospores, telia and teliospores, basidia and basidiospores.

On that basis it sets out how quarantine laboratories examine samples and confirm the presence of the pathogen. It was issued on 17 September 2018 and has applied since 1 April 2019.

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Document preview — GB/T 36831-2018

National Standard of the People's Republic of China

ICS: 65.020.01
Classification: B 16

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword
1 Scope
2 Terms and definitions

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009.

1 Scope

This standard specifies the quarantine and identification method of the pine spindle rust pathogen (Cronartium fusiforme Hedgcock & Hunt ex Cummins).

This standard is applicable to the quarantine and identification of pine spindle rust pathogens in the host, transfer host and products of the pine spindle rust pathogen.

2 Terms and definitions

The following terms and definitions apply to this document.

2.1 Pycnia

A rust-like organ formed by a mononuclear mycelium formed by germination of the spores during infection of the host.

2.2 Pycniospore

Mononuclear spores produced in sex spores.

2.3 Aecia

A binuclear secondary hyphae tissue produced by binding of a spore to a fertilized silk or to a mononuclear hyphae.

2.4 Aeciospore

Spores of string, mono, dinuclear, yellow, spherical or ovoid spores produced in rust spores.

2.5 Uredinium

A pile of yellow or orange-colored dinuclear spores produced by a dinuclear hyphae.

2.6 Urediniospore

The unit cell and the dinuclear surface produced in the summer spore heap have asexual spores of fine or stinging.

2.7 Teliospore

A single or multicellular dormant spore formed by a thick-walled spore produced by a dinuclear hyphae at the later stage of growth.

2.8 Telia

The tissue formed by the combination of teliospores.

2.9 Basidia

The tissue formed by the germination of teliospores on the host.

2.10 Basidiospore

The burden is divided into four cells, each of which has a small handle, on which a single cell, a colorless or slightly yellow spore is placed.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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