Vinelina Yankova, Evdokia Staneva, Dima Markova, Nikolay Todorov, Gabriela Antonova


Tomato leaf miner (Tuta absoluta Meyrick) is extremely dangerous pest in tomato grown in greenhouses. The larvae of T. absoluta mine the leaves, damage the stems and bore in the fruits, causing significant losses. The control of the pest is difficult because of the hidden way of life of the larvae in the mines, the high reproductive potential, the polyvoltine development and occurrence of resistance to a great part of the insecticides. The use of synthetic sex pheromone is a modern ecological technique that is applied in the complex of practices against T. absoluta. During the period 2016-2017 experiments on indeterminate tomato varieties were carried at the Maritsa Vegetable Crops Institute - Plovdiv in order to be determined the possibilities of synthetic sex pheromone produced in Russia to reduce the density of the pest and control on it in unheated greenhouses. The synthetic sex pheromone 0,5 mg/traps at a rate one trap per 20 m2 significantly reduces the percentage of damaged plants, the average number of mines per leaf and the percentage of damaged fruits. The results demonstrate that the synthetic sex pheromone of T. absoluta in the fixed dose could be applied successfully in the practice for monitoring and control on tomato leaf miner in greenhouse conditions.


Tuta absoluta, synthetic pheromone, tomato, greenhouse

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