Abstract
The South American native species Tuta absoluta is recognized as a tomato pest with fulminant dispersal ability in the new invaded areas. T. absoluta monitoring in all tomato-producing regions of the country is a vital step in early detection and integrated management decision-making. The aim of the study was to elucidate the interval of occurrence and population dynamics of T. absoluta in Muntenia region, respectively the vegetable basin that supply Bucharest northern markets. The paper presents the results of pest monitoring carried out in 2016, 2017, 2018 and 2019, by using pheromone-baited traps and also by visual inspection of tomato crops in various greenhouses in four localities from Bucharest surrounding area. The study provides first systematic monitored data about T. absoluta dynamics in protected tomato crops from southern Romania. Depending on year weather conditions, in the greenhouses tomato crops from the investigated area, the tomato leaf miner completed maximum 3 to 4 generations from spring to autumn and the degree of attack on tomatoes reached its maximum at the end of the second vegetation cycle. There was also noted a steady annual increase in the number of adult catches and degree of attack on tomatoes in the protected crop from analysed area.
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