Preface This standard specifies the seed collection, breeding, inspection, quarantine and quality classification of Zanthoxylum bungeanum seedlings. This standard is applicable to Zanthoxylum bungeanum seedlings in the Taihang Mountains of Hebei Province.
DB13/T 446.1-2001 history
2015DB13/T 2279-2015 Technical Regulations for Pepper Seedling Breeding
2001DB13/T 446.1-2001 Technical Regulations for Pepper Seedling Breeding
DB13/T 446.1-2001 Technical Regulations for Pepper Seedling Breeding was changed to DB13/T 2279-2015 Technical Regulations for Pepper Seedling Breeding.