GB/T 36839-2018 English PDF

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GB/T 36839-2018: Detection and identification of Ambrosia L.
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Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 36839-2018	679	Add to Cart	6 days	Detection and identification of Ambrosia L.	Valid

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Basic data

Standard ID: GB/T 36839-2018 (GB/T36839-2018)
Description (Translated English): Detection and identification of Ambrosia L.
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: B16
Classification of International Standard: 65.020.01
Word Count Estimation: 34,392
Date of Issue: 2018-09-17
Date of Implementation: 2019-04-01
Regulation (derived from): National Standard Announcement No. 11 of 2018
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 36839-2018: Detection and 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.
Detection and identification of Ambrosia L. ICS 65.020.01 B16 National Standards of People's Republic of China Ragweed quarantine identification method Published on.2018-09-17 Implementation of.2019-04-01 State market supervision and administration China National Standardization Administration 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 Technical Committee for Phytosanitary Standardization (SAC/TC271). This standard was drafted. Fujian Entry-Exit Inspection and Quarantine Bureau of the People's Republic of China. The main drafters of this standard. Huang Zhen, Guo Qiongxia, Yu Wentao, Xie Wei, Yan. Ragweed quarantine identification method

1 Scope

This standard specifies the quarantine and identification methods for laboratory testing and morphological characteristics of ragweed (Ambrosia L.). This standard applies to the quarantine and identification of ragweed plants and seeds.

2 Terms and definitions

The following terms and definitions apply to this document. 2.1 Root plant rootsuckerplant Many adventitious buds are often produced on the roots, and these adventitious buds can grow into young shoots for propagation. 2.2 Raceme raceme The flower axis is not branched, long, and many stalks are stalked from bottom to top on the axis. The flower stalks are the same length, and the flowering order is from bottom to top. inflorescence. 2.3 Total 苞involucre A round of bracts surrounding the base of a flower or flower cluster. Note. The total mites are a type of leafy organ in which the base of the inflorescence is composed of multiple eucalyptus leaves. Rhododendron genus has male inflorescences and female inflorescences, female inflorescences The cockroach is strong and the top is closed. 2.4 Achenes achene A small closed fruit consisting of one, two or three carpels. Note. The non-cracking dried fruit containing one seed is separated from the seed coat, and the seed is connected to the ovary wall only at one point. Most of the fruits of the Compositae are made up of Two carpels are formed.

3 Basic information

Scientific name. AmbrosiaL. English name. Ragweed Classification status. belonging to the Compositae Compositae, Carduoideae Kitam., Sunflower Trib.Heliantheae Cass. Other information. ragweed Ambrosia L. annual or perennial herb or shrub, monoecious. Ragweed is more common in quarantine The main species are. ragweed A.artemisiifolia L., A.trifida L., perennial ragweed A.pailostachya L., ground A.maritima L., A.bidentata Michx., A. grayi (A. Nelson) Shinnes Wait. See Table A for a list of morphological characteristics of the main species of ragweed. Distribution. Most species of ragweed are mainly distributed in the northern, central and southern parts of the Americas. Among them, ragweed and ragweed are now widely distributed. Most countries and regions in continents, Africa, Europe, America, and Oceania; perennial ragweed and Mediterranean ragweed are now distributed in Asia, Africa, and Europe. Some countries and regions in the continent, the Americas, and Oceania. ......

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