This standard specifies the procedures and methods for the quarantine of sweet potato seedlings. This standard is applicable to the place-of-origin quarantine of sweet potato seedlings implemented by agricultural plant quarantine agencies.
GB 7413-2009 history
2009GB 7413-2009 Quarantine protocol for propagating tubers and seedlings of sweet potato in producing areas
1987GB 7413-1987 Plant quarantine rules for producing areas of sweet potato seedling and sweet potato seed