NY/T 971-2006

Citrus growers and agricultural technicians use this standard to guide variety renewal of citrus trees. They apply topworking techniques to replace low-yield or poor-quality varieties with superior ones. This standard ensures the standardization and success rate of the grafting process, which is crucial for improving citrus yield and quality.

柑橘种植者和农业技术人员使用这个标准来指导柑橘树的品种更新。他们通过高接换种技术将低产或品质差的品种替换为优良品种。这个标准确保了换种过程的规范性和成功率，对提高柑橘产量和品质至关重要。

This standard specifies the technical regulation for citrus topworking, including variety selection, interstock selection, scion collection and storage, grafting timing, height, position, grafting method, number of buds, and post-grafting management. It is applicable to citrus topworking for variety renewal, covering various cultivated types and varieties in China. The standard references GB 3040 for citrus origin inspection and defines terms such as grafting, rootstock, scion, base rootstock, interstock, topworking, and scion grafting.

本标准规定了柑橘高接换种的技术规程，包括品种选择、中间砧选择、接穗采集与贮运、嫁接时期、高度、部位、接口方式、接芽数及接后管理等。适用于以品种更新为目的的柑橘高接换种，涵盖我国各类柑橘栽培种类和品种。标准还引用了GB 3040柑橘产地检验，并定义了嫁接、砧木、接穗、基砧、中间砧、高接和枝接等术语。