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GB/T 46955-2026Specification for environmental control in protected cultivation of flowers (English PDF)

设施花卉生产环境控制规范

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

January 28, 2026

Implementation date

August 1, 2026

Scope

GB/T 46955-2026 is the English-translated version of 设施花卉生产环境控制规范.

GB/T 46955-2026 is the Chinese standard "Specification for environmental control in protected cultivation of flowers".

Its scope clause reads: This document specifies the control requirements for the seedling and cut flower/potted flower cultivation environment in facility-grown flower production, and describes the corresponding verification methods.

This document applies to cut flowers such as roses, chrysanthemums, lilies, carnations, gerberas, and anthuriums, as well as peonies, cyclamen, orchids, anthuriums, and alpine flowers.

Facility-based seedling cultivation and planting of potted flowers such as azaleas and primroses. Its clauses include terms and definitions.

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Document preview — GB/T 46955-2026

National Standard of the People's Republic of China

ICS: 65.020
Classification: B 64

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1.Scope
2 Normative References
3.Terms and Definitions
4 Control Requirements
4.1 Facility Requirements
4.2 Seedling raising
4.3 Cut Flower Cultivation
4.4 Potted Flower Cultivation
5.Verification Method
5.1 Data Acquisition
5.2 Data Collection Point Settings
5.3 Acquisition frequency
5.4 Data Record
5.5 Data Analysis

1 Scope

This document specifies the control requirements for the seedling and cut flower/potted flower cultivation environment in facility-grown flower production, and describes the corresponding verification methods.

This document applies to cut flowers such as roses, chrysanthemums, lilies, carnations, gerberas, and anthuriums, as well as peonies, cyclamen, orchids, anthuriums, and alpine flowers.

Facility-based seedling cultivation and planting of potted flowers such as azaleas and primroses.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are listed below.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

This document.

GB/T 51057 Technical Specification for Plastic Greenhouse Construction

NY/T 2970 Construction Standard for Multi-span Greenhouses

NY/T 3024 Standard for the Construction of Solar Greenhouses

3 Terms and Definitions

The following terms and definitions apply to this document.

3.1 Hardening stage of tissue culture plants

Tissue culture seedlings are gradually adapted to the transplanting facility environment through sterile, temperature- and humidity-controlled processes, including adjustments to light, temperature, and humidity, thus transitioning from heterotrophic culture.

The period of transition to self-sufficiency.

3.2 The recovery stage of tissue culture plants

The period after tissue culture seedlings are transplanted and adapt to the facility environment and resume growth.

3.3 Hardening stage of young plants before transplanting

Before transplanting, seedlings cultivated in facilities undergo measures such as water control, ventilation, and cooling to enhance their resistance and adapt them to the target planting environment.

period.

3.4 Transplanting stage of young plant cultivation

The period from when cut flowers or potted plant seedlings are transplanted into cultivation facilities until they adapt to the environment and grow new roots.

3.5 Growing stage of cut flower plants

The period from vegetative growth to the start of flowering in plants used for cut flowers.

3.6 Flowering stage of cut flower plants

The period from the first harvest of cut flower plants to the end of the season.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 21 pages — is available in the English PDF.

Referenced standards

Normative references

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