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Neem oil (Azadiractin A)

Adult Bee Toxicity
>8.1 Oral LD50 in µg/bee
Larval Bee Toxicity
Unknown Oral LD50 in µg/bee
Chemical Group
Botanical
Adult Bee Toxicity
>8.1
Adult Bee Toxicity Group
Non-definitive
Larval Bee Toxicity
Unknown
Persistence Half-Life (days)
5
Persistence Rating
Low
Relative Index of Systemic Activity
1.24
Registered Uses (USA)
A wide variety of agricultural uses (>100 different crops) including vegetables, tree fruits, grapes, other fruit, tree nuts, beans, potatoes, corn, soybeans, canola, other oilseeds, wheat, oats, barley and other cereal grains, cotton, rice, sugar cane, peanuts, and other crops. Landcape uses include turf, trees, and landscape plantings. Other uses include nursery uses and non-crop uses, including mosquito control.
Use Categories
Agriculture
Nursery
Landscape
Non-crop
Seed Treatment Use
No
Further Information

Modest systemic activity.

Toxicity Reference(s)

Lewis, K.A., J. Tzilivakis, D. Warner, and A. Green. 2016. An international database for pesticide risk assessments and management. Human and Ecological Risk Assessment: An International Journal 22(4):1050-1064.

Systemic Reference(s)

Sundaram, K., R. Campbell, L. Sloane, and J. Studens. 1995. Uptake, Translocation, Persistence and Fate of Azadirachtin in Aspen Plants (Populus tremuloides Michx.) and Its Effect on Pestiferous Two-Spotted Spider Mite (Tetranychus urticae Koch). Crop Protection 14(5):415–421. Also, Grimalt, S., D. Thompson, D. Chartrand, J. McFarlane, B. Helson, B. Lyons, J. Meating, and T. Scarr. 2011. Foliar Residue Dynamics of Azadirachtins Following Direct Stem Injection into White and Green Ash Trees for Control of Emerald Ash Borer. Pest Management Science 67(10):1277–1284. Also, McKenzie, N., B. Helson, D. Thompson, G. Otis, J. McFarlane, T. Buscarini, and J. Meating. 2010. Azadirachtin: An Effective Systemic Insecticide for Control of Agrilus planipennis (Coleoptera: Buprestidae). Journal of Economic Entomology 103(3):708–717.

Persistence Reference(s)

Lewis, K.A., J. Tzilivakis, D. Warner, and A. Green. 2016. An international database for pesticide risk assessments and management. Human and Ecological Risk Assessment: An International Journal 22(4):1050-1064.

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