Standards

LY/T 3441-2025 Active

LY/T 3441-2025 Guidelines for the conduct of tests for distinctness,uniformity and stability of Cotoneaster(Cotoneaster B.Ehrh.)

This document specifies the technical requirements for the distinctness, uniformity, and stability (DUS) testing of new varieties of plants in the genus Cotoneaster of the Rosaceae family (Cotoneaster B.Ehrh.).
This document is applicable to the DUS testing of all new varieties of plants in the genus Cotoneaster.

Publish Date: 2025-07-21

LY/T 1847-2025 Active

LY/T 1847-2025 Guidelines for the conduct of tests for distinctness,uniformity and stability of Lagerstroemia L.

This document specifies the technical requirements for the testing of the distinctness, uniformity, and stability of new varieties of plants in the genus Lagerstroemia of the Onagraceae family.
This document is applicable to the testing of the distinctness, uniformity, and stability of new varieties of plants in the genus Lagerstroemia.

Publish Date: 2025-07-21

LY/T 1868-2025 Active

LY/T 1868-2025 Guidelines for the conduct of tests for distinctness,uniformity and stability of Rose(Rosa L.)

This document specifies the technical requirements for the testing of novelty, uniformity, and stability of roses (Rosa L.) plants.
This document is applicable to the testing of novelty, uniformity, and stability of roses (Rosa L.) plants.

Publish Date: 2025-07-21

LY/T 3442-2025 Active

LY/T 3442-2025 Guidelines for the conduct of tests for distinctness,uniformity and stability of Luculia(Luculia Sweet)

This document specifies the technical requirements for the specificity, consistency, and stability testing of new varieties of plants in the genus Luculia Sweet of the Rubiaceae family.
This document is applicable to the specificity, consistency, and stability testing of new varieties of plants in the genus Luculia Sweet.

Publish Date: 2025-07-21

LY/T 3439-2025 Active

LY/T 3439-2025 Guidelines for the conduct of tests for distinctness,uniformity and stability of Carya nut(Carya Nutt.)

This document specifies the technical requirements for the testing of distinctness, uniformity, and stability of new varieties of Carya Nutt. plants.
This document is applicable to the testing of distinctness, uniformity, and stability of new varieties of Carya Nutt. plants.

Publish Date: 2025-07-21

LY/T 3438-2025 Active

LY/T 3438-2025 Guidelines for the conduct of tests for distinctness,uniformity and stability of Phoebe(Phoebe Nees)

This document specifies the technical requirements for the distinctness, uniformity, and stability tests of new varieties of Phoebe Nees plants.
This document is applicable to the distinctness, uniformity, and stability tests of new varieties of Phoebe Nees plants.

Publish Date: 2025-07-21

LY/T 3427-2025 Active

LY/T 3427-2025 Guidelines for forest management strategic planning

This document establishes the general principles for the preparation of forest management plans, and provides guidance on organization and procedures, planning content, planning methods, and planning outcomes.
This document is applicable to the preparation of forest management plans at all levels.

Publish Date: 2025-07-21

LY/T 1497-2025 Active

LY/T 1497-2025 Chinese jujube

This document specifies the technical requirements for the preservation and identification evaluation of Ziziphus jujuba Mill. germplasm resources, elite seed selection, seedling cultivation, open-field cultivation, greenhouse cultivation, disease and pest prevention and control, post-harvest processing, quality and safety, and other aspects.
This document is applicable to all stages of Ziziphus jujuba production and circulation.

Publish Date: 2025-07-21

LY/T 1610-2025 Active

LY/T 1610-2025 Hydro-spray seeding machines

This document defines the terms and definitions of hydraulic spraying seeders (hereinafter referred to as spraying seeders), stipulates the performance requirements of spraying seeders and the requirements for marking, user manuals, packaging, transportation, and storage, and describes the corresponding test methods and product model compilation methods.
This document is applicable to the design, development, manufacture, installation, testing, and use and maintenance management of spraying seeders in the fields of public green space construction and ecological restoration (such as bare slopes of ordinary soil, soil slopes, gravelly steep slopes, and rocky cliff slopes), and spraying seeders used in other planting fields can also refer to it for reference.

Publish Date: 2025-07-21

LY/T 1609-2025 Active

LY/T 1609-2025 Lawn edgers

This document defines the terms and definitions of the walk-behind turf mowers powered by gasoline engines (hereinafter referred to as "turf mowers"), provides the basic parameters of turf mowers, stipulates the performance requirements, marking, user manuals, packaging, transportation, and storage requirements of turf mowers, and describes the corresponding test methods and product model compilation methods.
This document is applicable to the design, manufacture, installation, use, and maintenance management of basic turf mowers and walk-behind turf mowers with turf cutting functions operating on horizontal beds.

Publish Date: 2025-07-21

LY/T 2080-2025 Active

LY/T 2080-2025 Lawn edgers

This document defines the terms and definitions of lawn edgers (hereinafter referred to as edgers), stipulates the performance requirements of edgers and the requirements for marking, user manuals, packaging, transportation, storage, and handling, and describes the model numbering method of edgers and the test methods corresponding to their performance requirements.
This document is applicable to the design, development, production, and testing of the following hand-push/hand-held gasoline edgers and hand-push/hand-held electric edgers with rigid blades as cutting parts:
——Edgers powered by gasoline engines (hereinafter referred to as gasoline edgers);
——Edgers powered by lithium-ion batteries with a nominal voltage not exceeding 75 V (hereinafter referred to as lithium-ion edgers);
——Edgers powered by mains electricity (hereinafter referred to as AC edgers).
Note: In this document, "electric edgers" is a general term for "lithium-ion edgers" and "AC edgers".

Publish Date: 2025-07-21

LY/T 2406-2025 Active

LY/T 2406-2025 Vehicle mounted air‑assisted spraying and fogging machines

This document defines the terms and definitions of the vehicle-mounted wind-driven spray and smoke integrated machine (hereinafter referred to as the spray and smoke machine), provides the main technical parameters of the spray and smoke machine, stipulates the technical requirements and marking, user manual, packaging, transportation and storage requirements of the spray and smoke machine, and describes the corresponding test methods and product model compilation methods.
This document is applicable to the design, production, and testing of machinery that integrates atomization devices and smoke generation devices, which use axial-flow fans to form axial wind to transport drug droplets or smoke, and are mounted on vehicles as mobile carriers.

Publish Date: 2025-07-21