GB/T 36835-2018 in English
VALIDDetection and identification of Knautia arvensis(L.)Coult.
- Issued on:2018-09-17
- Implemented on:2019-04-01
- File Format:PDF
- Delivery:Via email within 5 business days
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《GB/T 36835-2018欧洲山萝卜检疫鉴定方法》由TC271（全国植物检疫标准化技术委员会）归口，主管部门为国家标准化管理委员会。
Introduction
GB/T 36835—2018: In-depth interpretation of quarantine identification methods for European chervil
1. Background and significance of standard formulation
European chervil (Knautia arvensis (L.) Coult.) belongs to the family Dipsaciaceae, native to Europe and now widely distributed. This species is listed as a quarantine pest for imported plants in my country due to its strong competitiveness and destructive impact on pastures. The formulation of GB/T 36835—2018 aims to standardize its quarantine identification methods, prevent its spread through trade, and protect agricultural production and ecosystem safety.
2. Technical requirements for quarantine and identification
| Dimensions | Details | Standard regulations |
|---|---|---|
| Sample collection | Suspected plants and small bracts found on site or in the laboratory | Use the quartering method to ensure representativeness |
| Sieving inspection | Select the sieve specifications according to the sample size | Use a sieve with a pore size of ≤2mm to separate the target object |
| Morphological observation | Naked eyes, magnifying glass, stereo microscope | Detailed record of leaf, flower and fruit characteristics |
3. Identification methods and technical points
Instrument requirements:Stereo microscope (with micrometer), electric sieve, nested sieve, etc.
- Visual identification: Preliminary screening of suspected samples with naked eyes or magnifying glass
- Microscopic identification: Observation of external and anatomical features under a stereo microscope
4. Implementation suggestions and precautions
Operational suggestions:
- Strengthen the training of quarantine personnel to ensure accurate identification of features
- Establish a standardized sample processing process
- Regularly update the identification reference atlas
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