This part specifies the methods and basic requirements for field plot testing of chemical plant growth regulators for regulating chrysanthemum growth. This section is applicable to field efficacy plot testing and efficacy evaluation for regis ration of plant growth regulators chemically regulating the growth of fresh-cut, potted, and garden-grown chrysanthemums. It is suitable for chrysanthemums cultivated using different propagation methods (live broadcast, cuttings, tis ue culture, divis ons, layering, grafting, etc.).
NY/T 1464.50-2013 Referenced Document
GB/T 18247.1 Product grade for major ornamental plants-Part 1:Cut flowers
GB/T 18247.2 Main Flower Product Grades Part 2: Potted Flowers*, 2024-03-15 Update
GB/T 18247.5 Main flower product grades Part 5: Flower seedlings*, 2024-03-15 Update
NY/T 1464.50-2013 history
2013NY/T 1464.50-2013 Pesticide guidelines for the field efficacy trials.Part 50:Plant growth regulator trials on chrysanthemum