Hebei Provincial Standard of the People's Republic of China
Latest
DB13/T 1849-2013
Scope
This standard specifies the parent production and hybrid production of cotton three-line hybrid seed production technology. This standard applies to the production of mid-maturity cotton varieties with cytoplasmic male sterile three-line hybrids in the central and southern region of Hebei Province.
DB13/T 1849-2013 history
2014DB13/T 1849-2013 Cotton three-line hybrid seed production technical regulations