Treatments for Field Grown and B&B Nursery Stock

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 – Field Grown and Balled-and-Burlapped (B&B) Stock”.

 

B&B or Field Method Active Ingredient Formulation Rate Certification Period
Post-harvest B&B 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 0.125 lb / 100 gal H2O 30 days
Drench Chlorpyrifos 4EC 0.125 lb / 100 gal H2O 30 days
2EC 0.125 lb / 100 gal H2O 30 days
Pre-harvest in field Broadcast Bait + Contact Approved Bait (abamectin, fenoxycarb, hydramethylnon, metalflumizone, methoprene, pyriproxyfen)

+

Chlorpyrifos

 G Bait: 1-1.5 lb / acre

+

Chlorpyrifos: 6 lb / acre

 12 weeks (after 30 days Exposure Period)

2nd chlorpyrifos app at 6 lb / acre will provide 12 additional weeks