SN/T 4727-2016 English PDF

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SN/T 4727-2016: Detection and identification of Nacobbus aberrans
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Basic data

Standard ID: SN/T 4727-2016 (SN/T4727-2016)
Description (Translated English): Detection and identification of Nacobbus aberrans
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: B16
Word Count Estimation: 10,120
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 4727-2016: Detection and identification of Nacobbus aberrans

---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.
(Method of quarantine identification of unusual pearl nematodes) People's Republic of China Entry-Exit Inspection and Quarantine Industry Standard Abnormal pearl worm quarantine identification method Released on December 12,.2016 2017-07-01 implementation People's Republic The General Administration of Quality Supervision, Inspection and Quarantine issued Entry and exit inspection and quarantine Industry Standard Abnormal pearl worm quarantine identification method China Standard Press Publishing First edition in December.2017

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 Administration. This standard was drafted. Shenzhen Entry-Exit Inspection and Quarantine Bureau of the People's Republic of China, Beijing Entry-Exit Inspection and Quarantine Bureau, Shenzhen Institute of Inspection and Quarantine. The main drafters of this standard. Long Hai, Wang Ying, Bian Yong, Li Fangrong, Li Yinong, Xie Yonggui, Liu Liangshan, Ling Xingyuan, Zheng Zheng. Abnormal pearl worm quarantine identification method

1 Scope

This standard specifies the quarantine and identification methods for the abnormal pearl nematode Nacobbusaberrans in the phytosanitary of entry and exit. This standard applies to the roots and soils of the introgressed flowers, ornamental plants, vegetables, tobacco, cruciferae, legumes, Solanaceae, etc. Quarantine and identification of abnormal pearl nematodes in the cytoplasm.

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 edition (including all amendments) applies to this document. SN/T 2122 Quarantine sampling of imported plants and plant products SN/T 2757 Plant Nematode Detection Specification

3 symbol

The following symbols apply to this document. n. The number of nematode samples measured. L. Body length (μm or mm). a. ratio of body length to maximum body width. b. ratio of body length to the distance from the front end of the worm to the junction of the esophagus and the intestine. b'. ratio of body length to the distance from the front of the body to the end of the esophagus. c. ratio of body length to tail length. c'. the ratio of the length of the tail to the width of the body at the anus. St. needle length (μm). T. The ratio of the distance from the cloaca opening to the end of the testis to the length of the testis, expressed as a percentage. V. The ratio of the distance from the front end of the worm to the vulva and the length of the body, expressed as a percentage. VA. The number of body rings between the vagina and the anus.

4 abnormal pearl nematode basic information

Chinese name. Abnormal pearl nematode Scientific name. Nacobbusaberrans (Thorne, 1935) Thorne Synonym. AnguillulinaaberransThorne, 1935 Pratylenchusaberrans (Thorne, 1935) Filipjev, 1936 NacobbusbatatiformisThorne NacobbusserendipiticusFranklin, 1959 English name. Falseroot-knotnematode Classification status. Nematoda, Secernentea, Tylenchida, Tylenchi- ......

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