GB11767-2003
Seedling of tea plant
茶树种苗
GB 11767-2003 is a current mandatory Chinese national standard for Seedling of tea plant. It appears in the Food compliance cluster with a product safety focus and has an implementation date of Dec 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 applies to the cuttings and seedlings of clonal varieties of large-leaf and medium/small-leaf tea plants (*Camellia sinensis*). It is specifically designed for the grading indicators and inspection methods of clonal tea plant seedlings used in cultivation. It does not cover sexual reproduction varieties, as these were removed from the previous version.
Technical requirements
The standard specifies the quality grading principles for tea plant cuttings and seedlings. For cuttings, grading is based on variety purity, utilization rate, and thickness. For seedlings, grading relies on variety purity, seedling age, height, stem diameter, and the number of lateral roots. The standard classifies both cuttings and seedlings into two grades (Grade I and Grade II), with anything below Grade II considered unqualified. Strict adherence to these grading parameters is mandatory for market compliance. It also outlines requirements for the cutting orchard, including soil structure, pH levels, and pest control prior to cutting collection.
Testing methods
Inspection methods include visual and physical assessments. Variety purity is determined by examining the main characteristics of each seedling. Cutting quality is assessed by measuring the utilization rate, length, and thickness using scales and calipers. Seedling height and stem diameter are measured with rulers and vernier calipers. The standard also defines specific random sampling ratios based on the total quantity of cuttings or seedlings for batch inspection.
FAQs
What products are regulated under GB 11767-2003?
It regulates clonal cuttings and seedlings of large-leaf and medium/small-leaf tea plants (*Camellia sinensis*) used for cultivation.
Are there any updates from the previous version of GB 11767?
Yes, GB 11767-2003 replaces GB 11767-1989. The main update is the removal of content related to sexual reproduction varieties to meet current demands for clonal variety standardization.
What are the key grading parameters for tea plant seedlings?
Seedlings are graded based on variety purity, seedling age, height, stem diameter, and the number of lateral roots.
The summary above provides a high-level overview of GB 11767-2003. To ensure complete compliance for your tea plant 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 11767-2003 today to access all detailed parameters, tables, and testing procedures.
Applicability hints
- Type
- Product
- CCS
- B21
- ICS
- 65.020.20
- Competent department
- Ministry of Agriculture and Rural Affairs
- Technical committee
- National Technical Committee on Crop Seeds of Standardization Administration of China
Relationships
Replaces:GB 11767-1989