Yunnan Provincial Standard of the People's Republic of China
Latest
DB53/T 456-2013
Scope
This standard specifies the terms and definitions of Yunnan walnut breeding, germplasm resource collection, main character indicators of walnut varieties, breeding procedures and methods such as introduction, seed selection, hybrid selection, and mutation breeding. This standard applies to the selection and breeding of walnut varieties in Yunnan.
DB53/T 456-2013 history
2013DB53/T 456-2013 Technical Regulations for Breeding of Walnut Varieties