This regulation is applicable to the production of all kinds of hybrid corn seeds across the country, and is organized and implemented by agricultural administrative departments and seed management departments at all levels. This regulation stipulates the categories of corn hybrid breeding seeds, the production methods of various seeds and the field purity inspection.
GB/T 17315-1998 history
2011GB/T 17315-2011 Operation rules for maize seed production
1998GB/T 17315-1998 Rules of operation for the production technology of maize hybrid seed