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SN/T 4722-2016: Detection and identification of Meloidogyne thailandica
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Detection and identification of Meloidogyne thailandica
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SN/T 4722-2016
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Basic data | Standard ID | SN/T 4722-2016 (SN/T4722-2016) | | Description (Translated English) | Detection and identification of Meloidogyne thailandica | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | B16 | | Word Count Estimation | 14,149 | | Date of Issue | 2016-12-12 | | Date of Implementation | 2017-07-01 | | Regulation (derived from) | State-Quality-Inspection-Accredidation (2016) No.590 | | Issuing agency(ies) | General Administration of Customs | SN/T 4722-2016: Detection and identification of Meloidogyne thailandica---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.
Detection and identification of Meloidogyne thailandica
China's entry-exit inspection and quarantine industry standards
Thai root knot nematode quarantine and identification method
Published on.2016-12-12
2017-07-01 Implementation
China
The State Administration of Quality Supervision, Inspection and Quarantine issued
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is proposed and managed by the National Certification and Accreditation Regulatory Commission.
This standard was drafted by. China Academy of Inspection and Quarantine, the People's Republic of China Zhejiang Entry-Exit Inspection and Quarantine Bureau, the People's Republic of China
And Beijing Entry-Exit Inspection and Quarantine Bureau.
The main drafters of this standard. Wang Xu, Ge Jianjun, Xiong Yufen, Chen Wujian, and Bian Yong.
Thai root knot nematode quarantine and identification method
1 Scope
This standard specifies the quarantine and identification methods for Meloidogynehailandica, a Thai root-knot nematode.
This standard applies to the quarantine and identification of Thailand root-knot nematodes transmitted in and out of plants, plant products, soil and cultivation medium.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article
Pieces. For undated references, the latest version (including all amendments) applies to this document.
GB/T 24831-2009 Quarantine and identification method for banana perforation nematodes
SN/T 2117-2008 Quarantine and Identification of Pseudo-Colony Root Nematodes
SN/T 2122-2008 Quarantine sampling of entry and exit plants and plant products
3 The basic information of root knot nematodes in Thailand
Scientific name. MeloidogynethailandicaHandoo, Skantar, Carta
Taxonomic status. Nematoda, Nematoda, Selennentea, Tylenchida, Tylenchina, Cyst
Heteroderidae, Meloidogyneae, Meloidogyne.
Transmission routes. Plant tissue carrying the root-knot nematode of Thailand and contaminated soil are the main carriers of root-knot nematode transmission, and its long-distance
The spread mainly depends on the transport of plant propagation materials. Ginger is the main host of Thailand's root knot nematodes and is currently reported only in Thailand.
The root-knot nematode genus has 98 effective species, and Thailand root-knot nematode belongs to one of 76 non-Chinese species with more serious damage.
4 Methodology
The morphological characteristics of adults and larvae of root knot nematodes in Thailand, host paradigm and geographic distribution are the main basis for species identification.
5 symbols
The following symbols apply to this document.
L --- body length (μm, head-to-tail midline distance, excluding cusp);
W --- maximum body width (μm);
a --- ratio of body length to maximum body width;
b --- ratio of body length to the distance from the front of the body to the junction of the esophagus and the intestine;
c --- Ratio of body length to tail length (tail length refers to the length of the anus or cloaca mouth to the tail, excluding the caudal process);
St.---mouth needle length (μm);
Sp. --- intersecting thorn length (μm);
h --- the length of the tail transparent zone (μm);
T --- tail length (μm);
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