Pest Control Of The Cotton Leaf Warm Spodoptera Littoralis

1265 Words6 Pages
First recordnanotechnology in agricultural:Silicanano-particlesa potential new insecticide for pest control
H. M. El-bendary and A. A. El-Helaly
1.Department of Plant protection, Faculty of Agriculture, Fayoum UniversityEgypt
2.Department ofEconomic Entomology and Pesticides, Faculty of Agriculture, Cairo UniversityEgypt.
Corresponding author Email:H. M. El-bendary
Key words A B S T R A C T
Nano-silicaparticles
Spodoptera littoralis tomato plants pest control
The cotton leaf warm Spodoptera littoralis is considered the major important pest of plenty of vegetables, for causing severe injuries to the plants in all phonological crop stages, beside its rising resistance to several groups of pesticides. The overallobjective of this investigation was to look for new control strategy through evaluate the effects of the application of hydrophobic nano-silica on the resistance of tomato plants to this pest. The experiments were carried out under semi field conditions; the experiment was conducted with two treatments, consisting of nano-silica application, and a negative control (distilled water) with five replications. Nano-silica
LD50
found to be 212.045 ppm with slope 4.553, it was applied in six doses
100, 150, 200, 250, 300, and 350ppm of 50 ml/plant, neonates of
Spodoptera littoraliswere exposed daily to tomato leaves mortality was detected after 15 days post application. The following evaluations were

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