This standard specifies the procedures and requirements for establishing, maintaining and cancelling pest free areas for plant pests. This standard applies to the establishment, maintenance and cancellation of pest free areas at the national and provincial administrative regions. GB/T 21761-2008 Guidelines for Establishing Pest Free Areas GB/T21761-2008 Standard Download Decompression Password: www.bzxz.net
This standard specifies the procedures and requirements for establishing, maintaining and cancelling pest free areas for plant pests. This standard applies to the establishment, maintenance and cancellation of pest free areas at the national and provincial administrative regions.
This standard is modified to adopt the International Standard for Phytosanitary Measures (ISPM) Publication No. 4 (1996) "Requirements for Establishing Pest Free Areas". The main differences are as follows:
--- Added specific methods for general and special surveys;
--- Deleted the two terms "National Plant Protection Organization" and "International Plant Protection Convention" in the terms and definitions, and added the terms and definitions of pest free, commodity, cargo and buffer zone;
--- Modified the requirements and contents proposed for the contracting parties of the International Plant Protection Convention in the original standard.
This standard is proposed and managed by the National Plant Quarantine Standardization Committee.
Drafting units of this standard: Forest Pest Control Station of the State Forestry Administration, Hunan Forest Pest Control and Quarantine Station, Guangdong Forest Pest Control and Quarantine Station, Liaoning Forest Pest Control and Quarantine Station, General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, and Hengren County Forest Pest Control and Quarantine Station.
The main drafters of this standard.

ICS65.020
National Standard of the People's Republic of China
GB/T21761--2008
Guide for the establishment of pest free areas
Guide for the establishment of pest free areasIssued on April 14, 2008
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of ChinaStandardization Administration of China
Implementation on July 15, 2008
GB/T21761-2008
This standard modifies and adopts the International Standard for Phytosanitary Measures (ISPM) Publication No. 4 (1996) "Requirements for the Establishment of Pest Free Areas". The main differences are as follows:
Added specific methods for general and special surveys; deleted the two terms "national plant protection organization" and "International Plant Protection Convention" in "Terms and Definitions", and added the terms and definitions of "none", "commodity", "goods" and "buffer zone"; modified the requirements and contents of the original standard for the contracting parties to the International Plant Protection Convention. This standard is proposed and managed by the National Plant Quarantine Standardization Committee. The drafting units of this standard are: Forest Pest Control Station of the State Forestry Administration, Forest Pest Control and Quarantine Station of Hunan Province, Forest Pest Control and Quarantine Station of Guangdong Province, Forest Pest Control and Quarantine Station of Liaoning Province, General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, and Forest Pest Control and Quarantine Station of Hengren County.
The main drafters of this standard are: Pan Hongyang, Wang Mingxu, Chen Murong, Wang Zhihong, Ma Xiaoguang, Fan Xiaohong, Zhao Yuxiang, Fang Guofei, Dong Zhenhui, Lou Jie, Yang Yunbo, Niu Jingfu, and Sun Xiangwen. This standard is published for the first time.
1 Scope
Guidelines for Establishing Pest Free Areas
This standard specifies the procedures and requirements for establishing, maintaining and canceling pest free areas for plant pests. This standard applies to the establishment, maintenance and cancellation of pest free areas at the national and provincial administrative regions. 2 Terms and Definitions
The following terms and definitions apply to this standard. 2.1
area
All or part of a province, or all or part of several provinces, as officially delineated. 2.2
delimitingsurvey
A survey conducted to determine the boundaries of an area infested by a pest or free of the pest. 2.3
detectingsurvey
A survey conducted to determine whether a pest exists in a certain area. 2.4
monitoringsurvey
Monitoringsurvey
A continuous survey conducted to confirm the characteristics of a pest population. 2.5
pest
Any species, strain or biotype of plant, animal or microorganism that is injurious to plants or plant products. 2.6
pest-freearea
GB/T21761—2008
Area where scientific evidence shows that a particular pest does not occur and the official can maintain this situation in a timely manner. 2.7
freeform
According to the plant quarantine procedures, a certain number of pests cannot be detected. 2.8
phytosanitarymeasurephytosanitarymeasureLaws, regulations or official procedures formulated to prevent the introduction and (or) spread of quarantine pests or limit the economic impact of non-quarantine regulated pests.
phytosanitaryregulationphytosanitaryregulationOfficial regulations made to prevent the introduction and (or) spread of quarantine pests or limit the economic impact of non-quarantine regulated pests, including the establishment of plant quarantine certification procedures. 2.10
survey
Official procedures taken within a region to determine the characteristics of pest populations or to determine the presence of species over a certain period of time. 1
GB/T21761—2008
commoditycommodity
A plant, plant product or other product that is moved for trade or other purposes. 2.12
consignment
A certain number of plants, plant products and (or) other articles (which may consist of one or more batches) shipped from one region to another, indicated in the same phytosanitary certificate when required. 2.13
bufferzone
Area where specific pests do not occur or have a low incidence and are officially controlled, surrounding or adjacent to infested areas, infested places of production, pest-free areas, pest-free places of production, pest-free production sites, and where phytosanitary measures have been taken to prevent the spread of the pests. 3 General Principles
3.1 A pest-free area is an area where a certain pest is determined to be absent according to the demarcation of the pest-free area. It is an element of the reason for the importing country or region to take phytosanitary measures to protect the threatened area. It is also a pest-free area as the basis for quarantine of host plants of pests, their products and other regulated articles. It is also a component of pest risk analysis to scientifically prove that a certain pest is absent in an area.
3.2 Plants and their products and other regulated articles from pest-free areas do not need to be subject to additional quarantine measures when imported into a region; however, plants, plant products and other regulated articles imported from pest-free areas into pest-free areas should be subject to necessary phytosanitary measures. 3.3 The scope and boundary type of the pest-free area should be determined based on the biological characteristics of the pests and the occurrence of damage. In actual operation, easily identifiable boundaries can be selected to define the pest-free area. Such as administrative boundaries, natural feature boundaries or property boundaries. In some cases, the true scope of the pest-free area can also be defined inaccurately. 4 Establishment and maintenance of pest free areas
4.1 Contents of establishment and maintenance of pest free areas
The establishment and maintenance of pest free areas include:
-Methods for determining pest freedom;
-Phytosanitary measures for maintaining pest freedom;
Inspection for verifying pest freedom.
The nature of these components will vary depending on the following:
The biology of the pest, including its: survival potential;
-Fecundity;
Means of transmission;
-Distribution of host plants, etc.;
b) Relevant characteristics of the pest free area, including its:-Scope;
-Degree of isolation,
Ecological conditions;
-Homogeneity, etc.
4.2 Methods for determining pest freedom
4.2.1 General investigation
4.2.1.1 Sources of information
Pest information can come from many aspects, including: GB/T21761-2008
National plant protection agencies, other national and local government agencies, research institutions, universities, scientific groups, etc.; producers, consultants, museums, the public, scientific and trade magazines, unpublished materials, current news, etc.; international organizations such as the Food and Agriculture Organization of the United Nations and regional plant protection organizations. 4.2.1.2 Collection, preservation and retrieval of information National plant quarantine agencies should establish a system to collect, verify and compile relevant information on pests of concern, including: designating information custodians;
establishing record keeping and retrieval systems;
clarifying information verification procedures;
transmitting information through the information channels specified by the national plant quarantine agency. National plant quarantine agencies should establish incentives for information reporting, including: clarifying the legal obligations of the public and specialized agencies to report information; establishing a cooperation mechanism between national plant quarantine agencies and specialized agencies; using liaison officers to strengthen information communication between national plant quarantine agencies; and formulating publicity plans and conducting public education. 4.2.1.3 Use of information
The information collected through general surveys is mainly used to: - confirm the pest-free declaration issued by national plant quarantine agencies; - assist in the early detection of new pests; provide information to international organizations such as the Food and Agriculture Organization of the United Nations and regional plant protection organizations; - compile lists of host and commodity pests and distribution records. 4.2.2 Special surveys
4.2.2.1 Survey plan
Special surveys are official surveys, which can be divided into occurrence, delimitation and monitoring surveys. The survey work should be carried out in accordance with the survey plan approved by the national plant quarantine agency, including: determining the purpose of the survey (such as early detection of epidemics, providing guarantees of non-epidemic areas, and formulating lists of host and commodity pests) and plant quarantine requirements;
determining the target pests (possibility of transmission and colonization); determining the scope of the survey (region, production system, season);-determining the survey time (date, number of times, deadline); determining the target commodities (plants and their products that should be quarantined); explaining the statistical basis (reliability, sampling rate, selection and number of sites, number of samplings, assumptions);-explaining the survey methods and requirements (sampling procedures, analysis procedures, reporting procedures). 4.2.2.2 Pest survey
Suitable survey sites can be selected according to the following conditions: whether the occurrence and distribution of pests have been reported; the biological characteristics of pests;
-the distribution of pest host plants, especially the distribution of their commercial production areas; whether the climatic conditions are suitable for the survival of pests. The time of the survey can be determined according to the following factors: 3
GB/T21761-2008
The life cycle of pests;
The phenology of pests and their hosts;
-The time for pest control;
The time when pests are most easily found.
The information provided by the special survey on pests is mainly used to: confirm the declaration of the national plant quarantine agency that there are no pests;-Assist in the early detection of new pests; Provide information to international organizations such as the Food and Agriculture Organization of the United Nations and regional plant protection organizations. For the selection of suitable survey sites for newly introduced pests, it is also necessary to consider possible invasion points, spread routes, sales locations of imported goods, and locations where imported goods are used as planting materials. The choice of survey procedures can be based on the identifiable signs or symptoms of pests and the accuracy or sensitivity of the technology used to detect pests.
Survey of host plants and their products
The location of special surveys of host plants and their products can be selected according to the following factors: geographical distribution of production areas and (or) their area; pest control plan;
existing cultivars;
the location of a plant product.
The survey time depends on the harvest time of the crop and the sampling method after harvest. 4.2.3 Record keeping
The national plant quarantine agency should keep relevant records of general and special surveys. The data kept should be consistent with the intended purpose, and samples (specimens and image data) should be kept when necessary. The record should include: - scientific name and number of the pest;
- taxonomic status of the pest;
- scientific name and number of the host, damage to the host plant and collection method, soil sample; collection location;
collection date and name of the collector:
identification date and name of the identifier;
verification date and name of the verifier:
reference materials;
other information.
4.3 Phytosanitary measures to maintain pest-free status
4.3.1 The following specific measures should be taken to prevent the invasion and spread of pests: - include a certain pest in the list of quarantine pests; - specify quarantine requirements when goods or goods are imported into a region; - restrict the flow of certain products;
carry out routine monitoring;
- provide producers with epidemic notifications and technical advice. 4.3.2 Phytosanitary measures should be taken in pest-free areas to maintain pest-free status. 4.4 Inspection to verify the pest-free status
After taking phytosanitary measures in the pest-free area, the pest-free status should be inspected, including: special inspection of certain export goods; - Notification of the occurrence of pests to the national plant quarantine agency; 4
Implementation of monitoring surveys.
4.5 Regular review and information management of pest-free areas 4.5.1 Regular review
The establishment and maintenance of pest-free areas should be recorded and reviewed regularly. The following materials should be provided during the review: - Data collected to establish pest-free areas; - Various administrative measures taken to support pest-free areas; - Definition of pest-free areas;
The adopted phytosanitary regulations;
- Detailed technical information of the adopted survey and monitoring system; - Implementation plan formulated according to the management requirements of pest-free areas. 4.5.2 Information management
GB/T21761—2008
National plant quarantine agencies should provide relevant information on pest-free areas together with their details in a timely manner to relevant national departments so that this information can be provided to relevant national plant quarantine agencies in a timely manner. 5 Specific requirements for the classification of different types of pest-free areas 5.1 Classification of pest-free areas
Pest-free areas can be divided into three categories:Www.bzxZ.net
The entire province is a pest-free area;
Pest-free areas in a province with a local infection;
Pest-free areas in a province with a large number of infections.
5.2 The entire province is a pest-free area
5.2.1 Methods for determining pest-free
A certain pest does not occur in the entire provincial administrative region. The results of general surveys and special surveys can be used as the basis for determining whether it is pest-free, and different methods can be selected according to different risk management types and levels.
5.2.2 The specific methods of "phytosanitary measures to maintain pest-free status", "inspection to verify pest-free status" and "regular review and information management of pest-free areas" are shown in 4.3, 4.4 and 4.5 respectively.
5.3 Pest-free areas in partially infected provinces
5.3.1 Methods for determining pest-free
A specific area in a provincial administrative region where a certain pest occurs only locally. The pest-free status is mainly determined by special survey methods. The scope of the pest's damage is determined through demarcation surveys, and the presence or absence of pests is determined through occurrence surveys. General surveys can also be carried out when necessary. 5.3.2 Phytosanitary measures to maintain pest-free status
In addition to the measures listed in 4.3, a buffer zone should be demarcated between the infected area and the non-infected area, and phytosanitary regulations should be formulated to restrict the flow of goods or cargo from the infected area to the buffer zone and the non-infected area to prevent the spread of pests. 5.3.3 Inspection to verify pest-free status
In addition to the inspection measures listed in 4.4, regular monitoring and investigation should be carried out in the buffer zone to maintain the pest-free status. 5.3.4 See 4.5 for regular review and information management of pest-free areas.
5.4 Non-pested areas in provinces with a large number of pests
5.4.1 Methods for determining pest-free
Specific areas in provincial administrative regions where a certain pest occurs widely. Such non-pested areas should maintain a certain ecological isolation from the pest-infected areas.
GB/T21761-2008
The pest-free area can be determined by delimitation survey and occurrence survey methods, or it can be directly established without investigation when the distribution and hazard status of a certain pest is accurately understood. 5.4.2 Phytosanitary measures to maintain pest-free status
In addition to the measures listed in 4.3, it is important to consider the management of the flow of host plants and their products from pest-free areas to non-pest-free areas through the formulation of phytosanitary regulations to prevent the spread of pests.
5.4.3 Inspection to verify pest-free status
See 4.4.
5.4.4 Regular review and information management of pest-free areas In addition to the items listed in 4.5, quarantine requirements must be put forward in the trade agreement, and the implementation of the agreement shall be certified, reviewed and evaluated by the plant quarantine agencies of the importing countries.
References
International Plant Protection Convention. FAO. Rome, 1997. []
Agreement on the Application of Sanitary and Phytosanitary Measures. World Trade Organization. Geneva, 1994. GB/T 21761—2008
Principles for the use of plant protection and phytosanitary measures in international trade. International Standards for Phytosanitary Measures (ISPM) No. 1. FAO. [3]
Rome, 2006
Guidelines for pest risk analysis. International Standards for Phytosanitary Measures (ISPM) No. 2. FAO. Rome, 1995. Glossary of phytosanitary terms. International Standards for Phytosanitary Measures (ISPM) No. 5. FAO. Rome, 2007. [5]
Guidelines for surveillance. International Standards for Phytosanitary Measures (ISPM) No. 6. FAO. Rome, 1997. [6] Determination of pest status in an area. International Standards for Phytosanitary Measures, Publication No. 8. FAO. Rome, 2001. Guidelines for phytosanitary certificates. International Standards for Phytosanitary Measures, Publication No. 12. FAO. Rome, 2001. GB/T 21761-2008. National Standard of the People's Republic of China. Guidelines for the establishment of pest free areas. GB/T 21761—2008. Published by China Standards Press. No. 16, Langli Hebei Street, Fuxingmenwai, Beijing. Postal Code: 100045. Website: spc.net.cn
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