What are the necessary qualifications in order to receive protection for a new plant variety?

To qualify for protection, the variety must be novel to the extent that before the filing of the application, the variety must not have been sold with the consent of the breeder in China for a period of more than one year or elsewhere in the world for a period of six years in the case of vines, forest trees, fruit trees and ornamental trees or for more than four years in the case of other plants.