Cal. Code Regs. tit. 3, § 6990.4
(b) If both soil and foliar application methods are used on the same crop, or if multiple neonicotinoid active ingredients are applied to the same crop, a total maximum combined application rate of 0.422 lbs. ai/A/season may be applied, provided that:
(c) The application rate and timing restrictions listed in the following table apply in addition to the limitations in subsections (a) and (b):
Application Rate and Timing Restrictions for Crops in the Citrus Fruit Crop Groups
Soil Application
Foliar Application
Active Ingredient
Maximum Application Rate
Required Timing
Maximum Application Rate
Required Timing
Clothianidin
0.2 lbs. ai/A/season
Apply only between petal fall and September 17
0.172 lbs. ai/A/season
Apply only between petal fall and November 20
Dinotefuran
0.172 lbs. ai/A/season
Apply only between petal fall and February 10
0.172 lbs. ai/A/season
Apply only between petal fall and November 20
Imidacloprid
0.25 lbs. ai/A/season
Apply only between petal fall and December 6
0.172 lbs. ai/A/season
Apply only between petal fall and November 20
Thiamethoxam
0.172 lbs. ai/A/season
Apply only between petal fall and February 10
0.172 lbs. ai/A/season
Apply only between petal fall and November 20
The provisions of this section apply to any neonicotinoid application made to a crop in the citrus fruit crop groups.
Note: Authority cited: Sections 11456 and 12976, Food and Agricultural Code. Reference: Sections 12824 and 12838, Food and Agricultural Code.
1. New section filed 4-10-2023; operative 1-1-2024 pursuant to Government Code section 11343.4(b)(2) (Register 2023, No. 15).