Acarologia (2008) 48, 171-176

N.Z. Dimetry, S.A.A. Amer and S.A. Saber (2008)
Laboratory evaluation of neem formulations with and without additive against the two spotted spider mite, Tetranychus urticae Koch
Acarologia 48 (3-4), 171-176
Abstract: Neem Azal T/S (commercial formulation of Neem seed kernel extract) was tested for its efficacy as a deterrent, toxicant or growth inhibitor against the two spotted spider mite, Tetranychus urticae Koch. Addition of T/S Fort increased its effect on mite females and eggs. Neem Azal T/S with T/S Fort at the ratio of 1:2 showed the highest acaricidal activity compared with the other formulations tested. Newly emerged females sprayed with the median concentration (0.086%) of Neem Azal T/S induced a serious chronic effect on their biotic potential. A high significant reduction in the egg production with an increase in percent of female sterility and a significant decrease in longevity were recorded. However, egg hatchability was slightly reduced while durations of immature stages were significantly increased.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Database assignments for author(s): Nadia Z. Dimetry

Research topic(s) for pests/diseases/weeds:
control - general

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Tetranychus urticae