Treatments for Nursery Stock in Containers

Approved treatments for the various categories of regulated articles are contained in the chart below. Specific information on approved treatments for nursery stock in containers can be found on the NCDA website under “Approved Treatments > Nursery Stock – Containers”.

Method Active Ingredient Formulation Rate Certification Period
Immersion/Dip Bifenthrin EC or F 0.115 lb/ 100 gal H2O 180 days
0.05 lb/ 100 gal H2O 120 days
0.025 lb/ 100 gal H2O 60 days
Chlorpyrifos EC 0.115 lb/ 100 gal H2O 30 days
Drench Bifenthrin EC 25 ppm / 100 gal H2O 180 days
F 25 ppm / 100 gal H2O 180 days
Chlorpyrifos EC 4 fl oz / 100 gal H2O 30 days
9 fl oz / 100 gal H2O 30 days
Topical Bifenthrin EC or F Rate varies according to potting media density 180 days
Incorporation (*note: 25 ppm dose rates for all actives provide “continuous” certification if all other provisions of IFA Free Nursery Program are met) Bifenthrin G 10 ppm 6 month
12 ppm 12 month
15 ppm 24 month
Fipronil G 10 ppm 6 month
12 ppm 12 month
15 ppm 24 month
Tefluthrin G 10 ppm 18 month