GB12743-2003
Plant quarantine rules for soybean seeds in producing areas
大豆种子产地检疫规程
GB 12743-2003 is a current mandatory Chinese national standard for Plant quarantine rules for soybean seeds in producing areas. It appears in the Food compliance cluster with a testing methods focus and has an implementation date of Nov 1, 2003.
Applicability depends on product scope, certification route, competent authority notices and transition rules. Requst for the translation or verify source before using this record in a compliance decision.
Compliance overview
Scope and applicability
This standard is applicable to plant quarantine agencies, as well as entities and individuals engaged in the breeding and production of soybean seeds in China. It specifically regulates the quarantine management of soybean seed production areas. This standard is mandatory for all domestic and foreign-invested seed breeding entities operating in China. It does not apply to the general commercial production of commodity soybeans intended for direct processing or consumption.
Technical requirements
GB 12743-2003 specifies the regulated pests, health standards, and quarantine procedures for soybean seed production. It categorizes regulated pests into quarantine pests (such as Phytophthora sojae and Cuscuta spp.) and regulated non-quarantine pests (including soybean virus disease and frogeye leaf spot). The standard defines strict health seed standards across three seed classes: basic seed, certified seed, and general commercial seed, setting specific tolerance thresholds for disease incidence and seed mottling. For healthy seed production, the standard mandates rigorous breeding site selection. Production fields must be isolated from specific host crops and have a history free of targeted quarantine pests. It also outlines comprehensive preventive and control measures, including seed treatment, pest monitoring, and the immediate destruction of infected plants upon detection. Furthermore, the standard establishes the framework for field inspection, laboratory testing, and the issuance of quarantine certificates. If quarantine pests are detected, no quarantine certificate will be issued. The standard also details the procedures for handling regulated non-quarantine pests based on the requirements of the seed's destination.
Testing methods
The standard mandates systematic field inspections during the seedling, full flowering, and pod-filling stages to monitor for quarantine pests. For laboratory confirmation, it specifies detailed testing protocols, particularly for Phytophthora sojae (involving pathogen isolation from plant tissues and soil using selective media) and soybean virus diseases (utilizing growth tests, indicator plant inoculation, serological reactions, and electron microscopy). These laboratory methods are strictly required when field symptoms are inconclusive.
FAQs
What products and pests are regulated under GB 12743-2003?
It regulates the quarantine procedures for soybean seed production, targeting specific pests like soybean blight (Phytophthora sojae) and dodder, as well as non-quarantine pests including soybean virus disease and frogeye leaf spot.
Are there any significant updates from the previous GB 12743-1991 version?
The 2003 revision added soybean blight as a regulated quarantine pest and removed soybean sclerotinia rot, recognizing it is a soil-borne disease not transmitted by seeds. It also updated integrated pest management measures.
Is GB 12743-2003 mandatory for soybean seed production in China?
It is mandatory for plant quarantine institutions and any entities or individuals involved in breeding and producing soybean seeds within China. Compliance is required to obtain the official plant quarantine certificate.
The summary above provides a high-level overview of GB 12743-2003. To ensure complete compliance for your agricultural products entering the Chinese market, a precise and professional translation of the full technical specifications is essential. Purchase our high-quality English translation of GB 12743-2003 today to access all detailed parameters, isolation tables, and laboratory testing procedures.
Applicability hints
- Type
- Method
- CCS
- B21
- ICS
- 65.020.40
- Competent department
- Ministry of Agriculture and Rural Affairs
- Technical committee
- Ministry of Agriculture and Rural Affairs