SN/T 5458-2022 in English
VALIDDetection and identification of Echium plantagineum L.
- Issued on:2022-07-07
- Implemented on:2023-02-01
- File Format:PDF
- Delivery:Via email within 5 business days
$418.00
| Standard No: | SN/T 5458-2022 |
| Document status: | VALID |
| Title in English: | Detection and identification of Echium plantagineum L. |
| Title in Chinese: | 车前叶蓝蓟检疫鉴定方法 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 5 business days |
| Issued on: | 2022-07-07 |
| Implemented on: | 2023-02-01 |
| Professional Classification: | SN-Import&Export Inspection |
| Related Topics: | detection forward
Frontier Identification Number Quarantine and identification method of Li sawfly Prior quality inspection Frontiers of Commodity Inspection Methods leaf+ blue sn/t2022 thistle fat double staining method Quarantine identification method of apple sawfly Identification of Aesculus Preparation method of trypan blue Eight detection methods before blood transfusion Folic acid pharmacopoeia detection method sn/t 5380-2022 Test cutting-edge technology methods |
Introduction
Interpretation of the core content of the standard
| Detection links | Key technologies | Judgment indicators |
|---|---|---|
| On-site monitoring | Plant morphology observation | Basal leaf characteristics, inflorescence type |
| Laboratory testing | Seed screening method | Nutlet morphology parameters |
| Microscopic identification | Stereomicroscope observation | Trichome structure, navel characteristics |
Key morphological features
Key observations under a stereo microscope:
- Nutlets: triangular-ovate (2.6-3.0mm×2.1-2.3mm), with densely covered tumor-like protrusions on the surface
- Trichomes: double-layer structure (upper layer of bristles + lower layer of unicellular hairs)
- Hip: nearly triangular base with a circular pit on the ventral side
Technology evolution analysis
Compared with traditional identification methods, this standard adds the following:
- Molecular biology-assisted identification technology interface
- Digital specimen comparison system
- Pest risk classification indicators
Implementation suggestions
Key points of quarantine operation
1. Strengthen inspection of goods from Australia and South Africa
2. Use a 1.5mm mesh screen for seed screening
3. Positive samples need to be sterilized by high pressure (121℃/30min)
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