For protecting the tomato plants from virus infection caused by Bemisia tabaci  that cansed loss in yield, tomato and squash seedling implanted on the two seides of every row.  This ecological method alone could ported the tomato plants against virus infection more than 45 days after implantation, this indicated as diminution of virused tomato plants percentage 38% in the intercropping field whereas 88% in the soled tomato field.                 Another chemical treatment applicated using for local modified light mineral oil (MMO) reamed ALOTEC which being under recommendation.  This application to either squash/tomato intercropping or soled tomato field resulted another diminution in virused tomato plants percentages to 12% in the come of intercropping pettern field and 19% in the soled tomato field.