Növényvédelmi védekezés hatása a hidrokultúrában termesztett fejes salátára (Lactuca sativa convar. capitata L.)

Abstract

In our research study the hydroponic lettuce (Lactuca sativa convar. capitata L.) in glasshouse culture and plant protection contra cotton bollworm (Helicoverpa armigera). The species of lettuces are grown in extraordinary wide variety, nowadays they become from a seasonal vegetable into an all-year grown food. Modern technologies, by using hydroponic lettuce growing, permit continuous cultivation of lettuce for 12 months every year. The average consumption of the plant increased during the previous decade because it can be inserted into modern healthy nourishment. In our research used an Actara 240 SC (tiametoxam) pesticide. The nutrients were applied in the following methods and quantities in 2015: untreated (control), 50 -, 100 -, 150 -, 200 - and 250 mg/l Mg fertilizer. The treatments were carried out with 4 repetitions in randomized block design. The biometric evaluations were calculation with variance analysis. Our results observations that plant protections were successfully contra Helicoverpa armigera.