This document stipulates the requirements for virus-free sweet potato seedling propagation, virus-free test tube seedling propagation, virus-free seed potato production, production seedling breeding, pest control and origin quarantine. This document is applicable to the breeding of virus-free sweet potato seedlings.
DB61/T 1781-2023 history
2023DB61/T 1781-2023 Technical specifications for breeding virus-free sweet potato seedlings