تأثير حفار أوراق الطماطة Tuta absoluta (Meyrick)‎ على بعض أصناف و أنواع العائلة الباذنجانية مع الإشارة إلى مكافحتها

Abstract EN

This study was conducted for the period from 1 / 10 / 2011 to 1 / 10 / 2012 for the purpose of evaluating some ecological aspects of Tuta absoluta, a newly imported insect to Iraq in 2009 and because of its economic effects on some crops of the family Solanaceae such as tomatoes.

The study showed the presence of the insect in all regions of the survey in two provinces Basra and Mesan the highest adults density were 243.75 and 229 adult per trap of phermone respectively in the third week of April and the insect disappeared in July and August where the rate of temperature was 38.74 and 37.81 Celsius and relative humidity 24.98 % and 26.48 % respectively.

The results of a survey for the hosts of T.

absoluta showed that it infects tomato in the first time, potatoes, eggplant, beans, chickpeas, rugeala weed, bush, bramble and Chenopodium, it didn’t record on peppers, cucumbers, melons, okra and squash..

Experience with chemical control of larves explained that the two insecticides Brokhliam and neem extract had a good effect in controlling the insect.

The highest percentage kill of pesticide about 88.3 % and 85.16 % respectively and the less percentage of killing in Insecticides of Admeral and Match 13.3 % and 11.8 % respectively.

The extracts of Bacillus thuringiensis and Trichoderma hairzianum that affect after three days of the control.

The highest percentage kill of pesticides after 14 days was 62.16 %.

The control of field recorded that Brokhliam and neem extract high percentage of killing 72.82 % and 68.78 % respectively also noticed that the highest percentage of killing after 14 days from treatment of pesticides was 47.92 %.