This document stipulates the technical requirements for seed propagation, cutting propagation, tissue culture propagation, pest control, and nursery production of major flower bed seedlings. This document is applicable to the production of major flower bed seedlings in Beijing.
DB11/T 1352-2023 Referenced Document
DB11/T 1052 Product grades of main bedding flower seedlings
GB/T 18247.4-2000 Product grade for major ornamental plants-Part 4:Flower seeds
DB11/T 1352-2023 history
2023DB11/T 1352-2023 Technical regulations for the production of main flower bed flower seedlings
2016DB11/T 1352-2016 Technical regulations for the production of main bedding flower seedlings