TAILIEUCHUNG - Efficiency of sex pheromone traps and some bio and chemical insecticides against tomato borer larvae, Tuta absoluta (Meyrick) and estimate the damages of leaves and fruit tomato plant

This study was carried out at Berket El-Sabaa province, Menoufia Governorate, Egypt, during the period from March to June 2014. The present study aimed to study, the efficiency of pheromone traps on population fluctuation of Tuta absoluta, to determine the most suitable insecticide and rate of some selected bio and chemical insecticides against T. absoluta larvae. | Annals of Agricultural Science 2015 60 1 153 156 H O S T E D BY Faculty of Agriculture Ain Shams University Annals of Agricultural Science locate aoas Efficiency of sex pheromone traps and some bio and chemical insecticides against tomato borer larvae Tuta absoluta Meyrick and estimate the damages of leaves and fruit tomato plant . El-Aassar a . Soliman a . Abd Elaal b a Vegetable Pests Department Plant Prot. Res. Institute ARC Dokki Giza Egypt b Econ. Entom. amp Agric. Zool. Dept. Fac. Agric. Menoufia Univ. Egypt Received 22 March 2015 accepted 7 May 2015 Available online 11 June 2015 KEYWORDS Abstract This study was carried out at Berket El-Sabaa province Menoufia Governorate Egypt Tomato borer during the period from March to June 2014. The present study aimed to study the efficiency of Tuta absoluta pheromone traps on population fluctuation of Tuta absoluta to determine the most suitable Tomato insecticide and rate of some selected bio and chemical insecticides against T. absoluta larvae and Pheromone traps to estimate the damage area of tomato leaves and fruits infested with T. absoluta after the second Chemical insecticide spray of the tested insecticides. Data showed that the population fluctuation of T. absoluta male Bio-insecticides captured has three stages the first stage extended from 1st week of April to 1st week of May with a peak of male trap week. The second stage extended from the 1st week to the 4th week of May with a peak of male trap week. The third stage began from the 4th week of May to the 4th week of July male trap week . Data showed that 200 g 100 l water for each bio-pesticides such as Biovar Bioranza Dipel-2x and Bitoxybacillin and the rate of 75 ml 100 l water for Tracer and Challenger were the most efficient against T. absoluta larvae. In this respect the evaluation of damage of tomato leaves by T. absoluta larvae was done under the application of some selected insecticides at the high rate. The .

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