GB/T 35333-2017 in English
VALIDGuidelines for surveillance of citrus Huanglongbing
- Issued on:2017-12-29
- Implemented on:2018-07-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$156.00
| Standard No: | GB/T 35333-2017 |
| Document status: | VALID |
| Title in English: | Guidelines for surveillance of citrus Huanglongbing |
| Title in Chinese: | 柑橘黄龙病监测规范 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2017-12-29 |
| Implemented on: | 2018-07-01 |
| Professional Classification: | GB-National Standard |
| Related Keywords: | standard citrus huanglongbing
citrus huanglongbing gb/t national citrus huanglongbing citrus huanglongbing introduction interpretation citrus plants |
| Related Topics: | Monitoring specification
medium orange Huanglong Huanglongbing Citrus Acidity Citrus Huanglongbing GB/T 35333-2017 gb/t+35333 Citrus Well sour citrus all of citrus acceptance citrus Determination of citrus GBT35333 GB/T 35333-2017 Determination of total acidity of citrus Determination of total sugar in citrus egyptian citrus Total acidity of citrus |
《GB/T 35333-2017柑橘黄龙病监测规范》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
Interpretation of the Monitoring Specification for Citrus Huanglongbing GB/T 35333—2017
Background and Significance of the Standard
Citrus Huanglongbing is a quarantine pest caused by Candidatus Liberibacter asiaticus, which seriously harms citrus plants. The formulation of this standard aims to standardize the epidemic monitoring procedures and methods to ensure effective control of the spread of the disease.
Monitoring Scope and Regional Division
The standard applies to epidemic monitoring of Citrus, Citrus and Fortunella plants. The areas are divided into non-occurrence areas, occurrence areas and seedling breeding bases, and different monitoring strategies are adopted respectively.
| Regional type | Monitoring focus | Monitoring methods |
|---|---|---|
| Non-occurrence areas | Areas with high epidemic risk, areas on the edge of citrus psyllid, etc. | Visits and surveys |
| Occurrence areas | Representative plots | Visits, surveys and fixed-point monitoring |
| Seedling breeding base | All citrus seedlings | Implemented in accordance with GB5040-2003 |
Monitoring methods and implementation process
Monitoring steps in non-occurrence areas
- Visit survey:Ask fruit farmers and agricultural technicians and record the disease situation.
- Survey:Carry out on-site inspections in key areas, and immediately mark and sample any suspicious symptoms.
Monitoring steps in occurrence areas
- Occurrence range monitoring:Determine the specific area through visit surveys and surveys.
- Occurrence extent monitoring:Each county has 3 monitoring points, each with an area of more than 1 hectare, and uses the five-point sampling method to randomly survey 10 plants.
Disease diagnosis and indoor testing
When diagnosis cannot be made on site, suspected samples need to be collected and brought back to the laboratory for identification according to GB/T 29393-2012. Typical symptoms include:
Case study: mottled yellowing and red nose fruit
- Mottled yellowing:Yellowing near the leaf veins, spreading to form yellow-green mottled.
- Red nose fruit:The fruit pedicle is orange-red, and other parts cannot be colored normally, and the seeds are aborted.
Monitoring report and archive preservation
Plant quarantine agencies need to organize the monitoring results and report them step by step. All original records and image materials should be properly preserved for inspection.
Implementation Suggestions
- Strengthen training:Ensure that monitoring personnel are familiar with the standard content and operating procedures.
- Optimize technology:Integrate the latest research results to update monitoring methods and technical means.
- Information sharing:Establish a national citrus Huanglongbing epidemic information platform to promote data interoperability.
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