SN/T 2757-2022 English PDFSN/T 2757: Historical versions
Basic dataStandard ID: SN/T 2757-2022 (SN/T2757-2022)Description (Translated English): (Specification for the detection of plant nematodes) Sector / Industry: Commodity Inspection Standard (Recommended) Classification of Chinese Standard: B16 Classification of International Standard: 65.020.20 Date of Issue: 2022-07-07 Date of Implementation: 2023-02-01 Older Standard (superseded by this standard): SN/T 2757-2011 Issuing agency(ies): General Administration of Customs SN/T 2757-2011: Rules for detection of plant parasitic nematodes---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.Rules for detection of plant parasitic nematodes People's Republic of China Entry-Exit Inspection and Quarantine Standards Plant nematode testing standards Issued on. 2011-02-25 2011-07-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released ForewordThis standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard is drafted by. People's Republic of China Liaoning Province Exit Inspection and Quarantine. Participated in the drafting of this standard. People's Republic of China Beijing Entry-Exit Inspection and Quarantine Bureau, Ningbo Entry-Exit Inspection and People's Republic of China Quarantine Bureau. The main drafters of this standard. Li Wan, Jiang Lihui, Gu Jianfeng, gold fire Peng, Jiang Li, Li Jiang, Wangyou Fu, Wang Wanchun, Fu Haibin, Hao Hou, Yan Chaojie. Plant nematode testing standards1 ScopeThis standard specifies the export plant nematode testing standards. This standard applies to the entry and exit of plants and plant products, quarantine and identification of vector insects, soil and growing media in nematodes.2 Normative referencesThe following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 27402 laboratory quality control standards for phytosanitary SN/T 1724 entry coniferous logs, wood and wood packaging material in the pine wood nematode quarantine procedures SN/T 1848 plant pest identification specification Principle 3 The use of nematodes trend aqueous and gravity, buoyancy, the nematode isolated from the host plant, soil or growing medium, packaging materials, etc. Years, according to the morphological characteristics, combined with biology, molecular biology and other methods to determine its species. 4 appliances, instruments and reagents 4.1 Instrument Biological microscope (100 × ~ 1000 ×), stereo microscope (10 × ~ 80 ×), incubator, low-speed centrifuge (1000r/min ~ 5000r/min), clean benches, water bath, incubator, temperature electric heating plate, floating cysts, refrigerator. 4.2 Appliances Woodworking saw or chainsaw, ax, scalpel, dissecting needle, scissors, tweezers, separation sieve (10 mesh to 20 mesh, 60 mesh to 100 mesh, 325 mesh ~ 400 mesh, 500 mesh), mortar, nematodes filter paper, gauze, funnel, platter, improved Berman funnel, latex tubes, clips, straws, beakers, flasks, steamed Fat dish or dish, slides, cover slips, slides depression, alcohol lamp, test tubes, finger-shaped tube, hole punch, dryer, marker, brush, brush, glass Filaments, homemade nematode pick needle. 4.3 Reagents 40% formaldehyde, triethanolamine, glycerin, glacial acetic acid, a solution of sucrose (484 g Sucrose. 1L of distilled water), kaolin, paraffin, vaseline, ethanol (Concentration of 70%, 95%, 100%), picric acid, neutral gum, nail polish, gum arabic, clove oil, 45% lactic acid, 40% hydrogen peroxide, Potato dextrose agar, water agar.5 Laboratory tests5.1 Pre-treatment samples 5.1.1 Plant Tissue The plant material (roots, stems, fruits, etc.) cut into small pieces or thin (thickness < 0.5cm), or the smaller seeds crushed plant tissue, ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of SN/T 2757-2022_English be delivered?Answer: Upon your order, we will start to translate SN/T 2757-2022_English as soon as possible, and keep you informed of the progress. 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Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version SN/T 2757-2022?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version SN/T 2757-2022 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
