Abstract
BackgroundIn this study, commercial bioinsecticides including entomopathogenic fungi, Beauveria bassiana, Metarhizium anisopliae, and Verticillium lecanii, and Spinetoram active ingredient insecticide were evaluated against the tomato leaf miner, Tuta absoluta (Meyrick, 1917) (Lepidoptera: Gelechiidae) larvae.Main bodyThe active ingredients were prepared at the recommended concentrations under laboratory conditions and applied to the 2nd instar larvae of T. absoluta by spraying with a hand sprayer. On the 1st, 3rd, 5th, and 7th days of the application, evaluations were made by counting survived individuals. The findings showed that the highest mortality rates were detected in the case of Spinetoram with 56, 60, 88, and 100% on all counting days of the experiments, respectively. The highest mortality rate among bioinsecticides was recorded for M. anisopliae, with 87% mortality on the 7th day of application.Short conclusionAs a result, Spinetoram was found the most effective insecticide when applied to T. absoluta, followed by M. anisopliae.
Highlights
Materials and methods Growing of tomato plants In the study, the Mercury F1 tomato (Solanum lycopersicum L.) variety seedlings were planted in 1.5-l pots, containing a mixture of soil and peat
(2021) 31:4 anisopliae, and Verticillium lecanii, and the insecticide Spinetoram were evaluated against the 2nd instar larvae of T. absoluta under laboratory conditions
Producing of tomato leaf miner Tomato leaf miner adults were obtained collected from emission bottle over tomato plants in the greenhouse of Pamukkale University, School of Applied Sciences, Department of Organic Agriculture Business Management in Turkey, and brought to the climate room
Summary
Tomato (Solanum lycopersicum L.) is an annual vegetable that belongs to the Solanaceae family, native to South and Central America. It has gained an important place with its high nutritional values and the usage in food industry (Keskin and Gül 2004; Canpolat 2016; Gölükçü et al 2016). The red spider mites, thrips, whiteflies, aphids, and leaf gallery flies cause damages to vegetables in regions where climate conditions are suitable for pests (Tunç and Göçmen 1995; Ulubilir and Yabaş 1996; Bulut and Göçmen 2000; Güncan et al 2006). Erol et al Egyptian Journal of Biological Pest Control (2021) 31:4 anisopliae, and Verticillium lecanii, and the insecticide Spinetoram were evaluated against the 2nd instar larvae of T. absoluta under laboratory conditions
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