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Basic dataStandard ID: GB/T 28683-2025 (GB/T28683-2025)Description (Translated English): Phalaenopsis Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: B62 Classification of International Standard: 65.020.20 Word Count Estimation: 22,218 Date of Issue: 2025-08-01 Date of Implementation: 2025-11-01 Older Standard (superseded by this standard): GB/T 28683-2012, GB/T 28684-2012 Issuing agency(ies): State Administration for Market Regulation, Standardization Administration of China GB/T 28683-2025: Phalaenopsis---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT28683-2025ICS 65.020.20 CCSB62 National Standard of the People's Republic of China Replaces GB/T 28683-2012, GB/T 28684-2012 Phalaenopsis Released on August 1, 2025 Implementation on November 1, 2025 State Administration for Market Regulation The National Standardization Administration issued Table of ContentsPreface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Phalaenopsis production process 2 5 Preparation before planting 3 6 Seedling Management 4 7 Flowering period control 7 8 Grade and Quality Inspection 8 9 Marking, packaging, storage and transportation 11 10 File Management 12 Appendix A (Informative) Common diseases of Phalaenopsis and their prevention and control methods 13 Appendix B (Informative) Main Pests and Control Methods 14 Preface This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting. This document replaces GB/T 28683-2012 "Technical Specifications for Phalaenopsis Cultivation" and GB/T 28684-2012 "Quality Standards for Phalaenopsis Seedlings". Compared with GB/T 28683-2012 and GB/T 28684-2012, in addition to structural adjustments and editorial changes, the main technical changes are as follows. --- Changed the terms and definitions of leaf length, leaf width, leaf distance, stem thickness, small seedling, medium seedling, large seedling, small plant type, medium plant type, and large plant type (see 3.1~3.10, 2.1~2.10 of GB/T 28684-2012); --- Added the terms and definitions of mini flower type, small flower type, medium flower type, large flower type and guide root (see 3.11 to 3.15); --- Deleted the terms and definitions of seedlings and split seedlings (see 2.11 and 2.12 of GB/T 28684-2012); --- Added production procedures (see Chapter 4); --- Changed facilities and equipment (see 5.1, Chapter 3 of GB/T 28683-2012); --- Changed the preparation before planting (see 5.2~5.4, 4.1 of GB/T 28683-2012); --- Added fertilizer selection and facility disinfection (see 5.5, 5.6); ---Changed the management steps for the seedling stage, medium seedling stage, large seedling stage, stem-pulling stage, peduncle-pulling stage, bud stage, and flowering stage (See 6.1 to 6.3, 7.1 to 7.3, and 4.2 to 4.7 of GB/T 28683-2012); --- Added salt content testing for substrates of small, medium and large seedlings (see 6.1.7, 6.2.6 and 6.3.6); --- Changed the pest and disease control for small seedlings, medium seedlings and large seedlings (see 6.1.8, 6.2.7, 6.3.7, Chapter 5 of GB/T 28683-2012); --- Increased the distance between the two leaves of the bottle seedlings (see 8.1.2.1); --- Deleted the seedling specifications and grades (see 3.2.2.1 of GB/T 28684-2012); --- Added the upper limit of mutation rate at different seedling stages (see 8.1.2.1 to 8.1.2.4); --- Added flowering plant quality grade (see 8.1.2.5); --- Changed the storage and transportation requirements (see 9.3, Chapter 7 of GB/T 28683-2012, and 6.3 of GB/T 28684-2012); ---Added file management (see Chapter 10). Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed by the State Forestry and Grassland Administration. This document is under the jurisdiction of the National Technical Committee on Standardization of Flowers (SAC/TC282). This document was drafted by. Forestry Research Institute of Chinese Academy of Forestry, Shantou Agricultural Science Research Institute, Shandong Academy of Agricultural Sciences, Environmental Horticulture Research Institute of Guangdong Academy of Agricultural Sciences, Sanya Forestry Science Research Institute, Zhangzhou Jubao Biotechnology Co., Ltd., Dongying City Shuangfu Fusheng Agricultural Development Co., Ltd., Rural Oasis (Shandong) Agricultural Technology Co., Ltd., Shandong New Green Ecological Technology Co., Ltd., Xinjiang Forestry School, Beijing Xishan Experimental Forest Farm Management Office. The main drafters of this document are. Zheng Baoqiang, Wang Yan, Hong Shengbiao, Lü Xiaohui, Chen Heming, Zhang Mengjin, Qi Yu, Hu Huazhen, Li Binghai, Pang Shangshui, Zeng Baoyan, Fan Tianqing, Zhu Meihong, Lu Jiang, Wang Pingxi, and Du Xiaojuan. The previous versions of this document and the documents it replaces are as follows. ---GB/T 28683, first issued in.2012; ---GB/T 28684, first issued in.2012; ---This is the first revision. Phalaenopsis 1 Scope It defines the quality inspection level, marking, packaging, storage and transportation, and describes the traceability method of file management. This document applies to the cultivation management and quality assessment of Phalaenopsis seedlings using sphagnum moss as the substrate. 2 Normative references The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB/T 2828.1 Sampling procedures for inspection by attributes Part 1.Sampling plans for batch inspection based on acceptance quality limit (AQL) GB/T 6543 Single and double corrugated cartons for transport packaging GB/T 8321.10 Guidelines for the rational use of pesticides (10) GB 12475 Pesticide Storage, Transportation, Sales and Use Poison Prevention Regulations NY/T 496 General Rules for the Rational Use of Fertilizers 3 Terms and Definitions The following terms and definitions apply to this document. 3.1 leaf length Count the straight-line distance from the leaf scar of the second mature leaf to the leaf tip from top to bottom. 3.2 leaf width The maximum width of the second mature leaf from the top when naturally expanded. 3.3 The straight-line distance between the two leaf tips of the second and third mature leaves when they are naturally open, counting from top to bottom. 3.4 stem diameter The diameter of the stem including the leaf sheath. 3.5 small plantlet The tissue culture seedlings are planted in transparent nutrient pots with a diameter of 5.0 cm or 5.5 cm (1.5 inches or 1.7 inches). After 4 to 6 months, Cultivate and grow strong seedlings. 3.6 medium plantlet The seedlings are repotted and planted in transparent nutrient pots with a diameter of 8.0 cm or 9.0 cm (2.5 inches or 2.8 inches). After 4 to 6 months of cultivation, ...... |
