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GB18133-2012
Seed potatoes
马铃薯种薯
GB 18133-2012 é uma norma nacional chinesa obrigatória vigente: Seed potatoes. Setor: Alimentos. Foco: Segurança de produtos. Entrada em vigor: 19 de dez. de 2013.
A aplicabilidade depende do escopo do produto, da via de certificação, dos avisos da autoridade competente e das regras de transição. Solicite uma tradução ou verifique a fonte antes de usar este registro em uma decisão de conformidade.
Visão geral de conformidade
Esta visão geral está disponível por enquanto apenas em inglês.
Escopo e aplicabilidade
This standard applies to the production, inspection, sales, product certification, and quality supervision of seed potatoes within the People's Republic of China. It covers four generations of seed potatoes: Pre-elite (G1), Elite (G2), Qualified I (G3), and Qualified II (G4). It is not applicable to commercial potatoes intended for direct consumption. The standard references GB 20464 for labeling rules.
Requisitos técnicos
GB 18133-2012 specifies the quality indicators, grading, and minimum labeling requirements for seed potatoes. The standard classifies seed potatoes into four generations and sets strict limits for pests and diseases. A key aspect of this standard is the management of quarantine pests. The tolerance rate for all quarantine pests listed in the standard is strictly zero. If any quarantine pest is discovered, it must be reported immediately, and the entire crop from that plot is prohibited from being used as seed potatoes. For non-quarantine regulated pests and other defects, the standard defines specific tolerance rates across different testing phases, including field inspection, post-harvest testing, and storage inspection. These limits cover various diseases such as Potato virus Y (PVY), Potato leafroll virus (PLRV), bacterial wilt, and fungal infections like late blight. The grading of seed potatoes is determined by the reproduction generation and requires meeting the minimum quality requirements in both field inspections and post-harvest testing. Any lot failing to meet the lowest grade requirements cannot be sold as seed potatoes.
Métodos de ensaio
The standard outlines three main inspection phases: field inspection, post-harvest testing, and storage inspection. Field inspections involve visual assessments of plants during specific growth stages, with sampling points determined by the cultivation area. If visual inspection is inconclusive, laboratory testing is required. Post-harvest testing involves laboratory analysis of randomly sampled tubers. Techniques such as ELISA, RT-PCR, and R-PAGE are specified for detecting viruses, viroids, and bacteria. Storage inspection requires visual examination of tubers before delivery, checking for external defects, rot, and pest infestations. Seed potatoes must pass storage inspection before being released from the warehouse.
Perguntas frequentes
What products are regulated under GB 18133-2012?
GB 18133-2012 regulates seed potatoes produced and sold in China, specifically covering Pre-elite (G1), Elite (G2), Qualified I (G3), and Qualified II (G4) generations.
Are there any updates from the previous version of GB 18133-2012?
Yes, this version replaces GB 18133-2000 and partially replaces GB 4406-1984. Key updates include revised terminology, modified grading rules, updated field and tuber quality requirements, and the addition of laboratory testing protocols.
What are the mandatory requirements in GB 18133-2012?
Section 5.2 of the standard is mandatory, which dictates that the tolerance rate for all quarantine pests must be zero, and specific tolerance limits for non-quarantine pests must be strictly followed for each grade.
The summary above provides a high-level overview of GB 18133-2012. To ensure complete compliance for your seed potato 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 18133-2012 today to access all detailed parameters, tolerance tables, and testing procedures.
Indicações de aplicabilidade
- Tipo
- Produto
- CCS
- B00
- ICS
- 65.020.20
- Órgão competente
- Ministry of Agriculture and Rural Affairs
- Comitê técnico
- National Technical Committee on Crop Seeds of Standardization Administration of China