T/YNRZ 003-2026 Active Group standards

T/YNRZ 003-2026 Technical Regulations for Seedling Raising of Garcinia yunnanensis

Publish Date: 2026-01-29 Implement Date: 2026-02-15 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/YNRZ 003-2026

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Technical management

ICS Name: Plant cultivation

Publish Date: 2026-01-29

Implement Date: 2026-02-15

Scope

This document specifies the technical requirements for the seedling cultivation of Yunnan Garcinia vietnamica, including the selection and preparation of nursery sites, pre-sowing preparation, germination promotion, seedling cultivation, seedling transplantation, and production records. This document is applicable to the seedling reproduction and production of Yunnan Garcinia vietnamica. 1 Nursery Site Selection and Preparation 1.1 Site Selection Select a nursery site with an average annual temperature of 20 ℃ to 25 ℃, a maximum summer temperature of ≤ 30 ℃, and a minimum winter temperature of ≥ 2 ℃. The site should have sufficient sunlight, good ventilation, convenient irrigation and drainage, and be a relatively open flat or gentle slope. 1.2 Site Preparation Till and level the nursery site, removing weeds, rocks, and other debris. 1.3 Shade Shelter Construction Determine the shape of the shade shelter frame based on the actual terrain of the nursery site, and construct a shading net with an 85% shading rate, with a height of 3.0 m to 3.5 m. 1.4 Sand Bed Preparation Make a low bed 1 m to 1.2 m wide and 25 cm to 30 cm deep, with the length determined by the terrain. Place 10 cm to 15 cm thick clean river sand in the bed, level it, and set the width of the path at 30 cm. 2 Pre-sowing Preparation 2.1 Seed Collection Select single trees with an age of more than 8 years, strong growth, high seed yield, and stable traits. Collect disease-free, purple-skinned, and slightly soft fruits from late March to early May. 2.2 Seed Treatment Place the collected fruits indoors for 2 to 3 days, manually remove the flesh, and wash them thoroughly. Remove small and empty seeds. Soak the seeds in a 50% wettable powder of Multisporin at a concentration of 300 to 500 times for 2 hours, rinse with clean water, and dry them for later use. 2.3 Nursery Disinfection Spray the nursery site with a 50% wettable powder of Multisporin at a concentration of 800 tim