T/NAASS 142-2025 Active Group standards

T/NAASS 142-2025 Code of practice for pepper side-grafted seedlings

Publish Date: 2025-11-06 Implement Date: 2025-12-05 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/NAASS 142-2025

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Technical management

ICS Name: Plant cultivation

Publish Date: 2025-11-06

Implement Date: 2025-12-05

Scope

This document specifies the technical content of grafting seedling propagation of peppers, including terms and definitions, environmental conditions, substrate and tray selection, seeding, seedling management, grafting, post-grafting management, disease and pest control, and commercial seedling standards. This document is applicable to the intensive and factory-based grafting seedling propagation of peppers in Ningxia. 3 Terms and Definitions The following terms and definitions apply to this document. 3.1 Side grafting A grafting technique in which the stem base of the scion is slashed on one side and aligned with the slashed stem of the rootstock, then fixed by external forces to promote close integration of the cambium layers and eventual fusion into a new seedling. 4 Environmental Conditions The construction and equipment of the seedling nursery comply with the requirements of NY/T 2442. The irrigation water quality meets the requirements of GB 5084. 5 Substrate and Tray Selection 5.1 Substrate The substrate complies with the requirements of NY/T 2118. 5.2 Tray The scion uses a 98-hole tray, and the rootstock uses a 72-hole tray. 6 Seeding 6.1 Varieties Select pepper varieties with good disease resistance, high yield, excellent marketability, and adaptability for the scion; and wild or semi-wild pepper varieties with strong disease resistance, stress tolerance, high affinity, and good adaptability for the rootstock. The seed quality meets the requirements of GB 16715.3. 6.2 Sowing Period Determine the sowing period based on the transplanting period. In summer and autumn, the seedling age is 65–75 days; in winter and spring, it is 75–85 days. Plant the rootstock 7–10 days earlier than the scion. 6.3 Seed Treatment 6.3.1 Seed Disinfection Carry out according to the relevant provisions of GB/T 23416.2. After disinfection, dry the seeds and directly sow them by machine. 6.3.2 Seed Soaking Soak the disinfected seeds in