T/HQHHG 004-2025 Active Group standards

T/HQHHG 004-2025 Technical Regulations for Grafting of Haihong fruits

Publish Date: 2025-10-12 Implement Date: 2025-11-12 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/HQHHG 004-2025

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Economic management

ICS Name: Plant cultivation

Publish Date: 2025-10-12

Implement Date: 2025-11-12

Scope

This document specifies the terms and definitions of grafting of Haihong fruits, rootstock requirements, scion requirements, grafting methods, post-grafting management, and production records. 3 Terms and Definitions The following terms and definitions apply to this document. 3.1 Grafting Technology for Haihong Fruits 3.2 Grafted Seedlings A seedling grown from a branch or bud of a certain variety grafted onto a branch of another plant, after the grafted site heals. 3.3 Rootstock The plant that supports the scion in grafting reproduction. 3.4 Scion The stem or bud used to graft onto the rootstock in grafting reproduction. 3.5 Growth Points Growth points, commonly known in botany as meristems, also called growth cones or apical meristems, where cell division is vigorous. The growth cones at the tips of roots and stems are also called growth points or growth cones, which are generally referred to as meristems in botany. Meristems are divided into primary meristems and secondary meristems. 3.6 Bud Eyes Bud eyes refer to the raised areas on the surface of branches that contain buds. In the case of Haihong bud eyes, they are the raised areas on stems and branches that are about to sprout. 4 Rootstock Requirements 4.1 Suitable for local climate and soil conditions, with strong resistance, vigorous growth, well-developed root systems, and strong compatibility with scions, significantly improving the appearance and quality of scion fruits. 4.2 Free from quarantine pests and diseases, and meeting the quality requirements of NY/T 2384-2013. 4.3 5-branch grafting generally uses rootstocks that are one year or older. Bud grafting generally uses seedlings planted the same year with a diameter of at least 0.5 cm. 5 Scion Requirements 5.1 Suitable for local climate, with strong market competitiveness, selected from excellent quality in the planting area, and strong compatibility with rootstocks, maintaining the excellent characteristics of the sc