Yunnan Provincial Standard of the People's Republic of China
Latest
DB53/T 331-2010
Scope
This standard specifies the technical operating procedures for the cultivation and propagation of virus-free potato seedlings, the production and multiplication cultivation of virus-free basic seed potatoes, and the quality indicators, inspection methods, determination rules, packaging and labeling, and storage of virus-free basic seed potatoes. This standard applies to the production of virus-free potato seed potatoes.
DB53/T 331-2010 history
2010DB53/T 331-2010 Potato virus-free seed potato production technical regulations