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Tomato is pre-requisite of domestic dishes in Pakistan as there is hardly any recipe that does not include tomatoes. It is an essential ingredient of urban cuisine devoid of any seasonal factors.Tomato fruit worm (TFW), Helicoverpa armigera (Hubner) (Lepidoptera: Noctuidae), is a highly polyphagous pest that attacks over 100 plant species of economical importance as cotton, maize, tobacco, pigeon pea and chickpea along with tomato. Helicoverpa armigera cause a widespread damage to tomato plant regarding quality and quantity throughout Asia.

Amongst various species of insect pests attacking the cotton crop, the sucking insect pests always remained a limiting factor. Among these sucking insects Jassid (Amrasca devastans Dist.) has great importance. Jassid is a very serious sucking pest of cotton which causes serious and significant yield reduction in susceptible cotton varieties. There a lot of research is carried out on the Physico-morphic characters and their effect on the sucking insect pests of non Bt-varieties but on the Bt-varieties there is no such type of research is carried out up till now. So it is needed that to carry...