Effect of intercropping systems on the incide of some sap sucking and fruit pests infestii okra and roselle plantations

الملخص EN

The effect of moao and mixed cuiture ٥٥ some okra and roseHe plant characters was determined.

No significant differences betoeen the tested okra characters were recorded.

However, mean numbers of roselle fruits lonely showed a significant difference among the tested cropping systems.

Differences among the sap sucking pests Bemisia tabaci Gen.

and Tetranychus urticae Koch infested okra and roselle planted by mono and mixed cultures were determined.

The obtained data showed that okra planted in mixed culture suffer from high attack by B.

tabaci.

Similar results were obtained on roselle plantations.

Results, also, showed that the intercropping system had no clear effect on the incidence of T.

urticae that attack okra intercropped with roselle.

However, mean numbers of the pest were reduced in roselle intercropped with okra