This part of DB53/T 425 specifies the propagation and seed production of non-heading cabbage seeds. This section applies to the production of conventional seeds and hybrid seeds of non-heading cabbage.
DB53/T 425.2-2012 history
2023DB53/T 425.12-2023 Technical Regulations for Vegetable Seed Production Part 12: Bitter Melon
2012DB53/T 425.2-2012 Vegetable Seed Production Technical Regulations Part 2 Non-heading Chinese Cabbage