SN/T 2373-2009 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 2373-2009	559	Add to Cart	3 days	Quarantine identification of Ambrosia L.	Obsolete

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Basic data

Standard ID: SN/T 2373-2009 (SN/T2373-2009)
Description (Translated English): Quarantine identification of Ambrosia L.
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: B16
Classification of International Standard: 65.020
Word Count Estimation: 14,147
Date of Issue: 2009-09-02
Date of Implementation: 2010-03-16
Regulation (derived from): Entry-Exit Inspection and Quarantine circular industry standards (2009. 09. 02)
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the phytosanitary quarantine ragweed Ambrosia L. identification methods. This standard applies to plant the seeds of grain and plant quarantine mixed ragweed identification.

SN/T 2373-2009: Quarantine identification of Ambrosia L.

---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.
Quarantine identification of Ambrosia L. Exit inspection and quarantine industry standard book People's Republic of China Quarantine and identification of ragweed Posted 2009-09-02 2010-03-16 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

The Standard Appendix A, Appendix B, Appendix C, Appendix D, Appendix E are informative appendices. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard is drafted by. People's Republic of China Fujian Entry-Exit Inspection and Quarantine Bureau, Shenzhen People's Republic of China Entry-Exit Inspection and Quarantine Bureau, Xiamen People's Republic of China Exit Inspection and Quarantine. The main drafters of this standard. GUO Qiong-xia, Huang Hui, Conlin, Lin Shiming, the United States Chen Dong, Yao Xiangrong, Lin Yang Wu, Kang Yuzhu, Caiwu Huang. This standard is the first release of the entry-exit inspection and quarantine industry standards. Quarantine and identification of ragweed

1 Scope

This standard applies to plant quarantine and identification of raw grain and seeds mixed in the ragweed.

2 Terms and definitions

The following terms and definitions apply to this standard. 2.1 Flowers shaft borne many stalks of flowers, each flower stalk length equal to slightly inflorescence. 2.2 Surrounded by flower or flower cluster round the base of the bracts; Asteraceae ragweed has catkin involucre and total female inflorescence bracts, inflorescence involucre strong top closure. 2.3 Compositae involucre bracts base of a leafy or scaly structure of one or Compositae involucre bracts. 2.4 Single chamber fruit by one, two or three carpels and does not crack, containing one seed, peel and seed coat separation, only a little seed Connected with the ovary wall; Compositae most fruit is composed of two carpels. Principle 3 3.1 taxonomic status 3.2 Ways and means of communication Ragweed in the form of involucre, achenes hybrid in plants and plant seeds among the raw grain, raw grain with plants and plant seeds of transportation and introduction Spread. 3.3 Identification of features based This standard ragweed involucre, morphology achenes as identification of the genus, species identification basis.

4 instruments and appliances

4.1 Instrument Stereo Microscope (eyepiece with micrometer or the stage micrometer), electronic scales, electric sieve or a sieve set. 4.2 appliance Magnifier, scalpel, dissecting needle, tweezers, finger-shaped tube, a petri dish, white porcelain plate, sample bags, labels, paper records, specimen bottles, specimen boxes, pest control Agents, camphor refined, desiccant. ......

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