Abstract
Summary The experiments were conducted, on cucumber plants cultivar Aramis, treated and not treated with the biostimulants: Asahi SL and Siapton 10 L, in the glasshouse and laboratory conditions. The aim of the study was to evaluate if the application of biostimulants in cucumber cultivation can influence the efficacy of biological control of Tetranychus urticae by predatory mite Amblyseius swirskii Athias-Henriot. It was found that A. swirskii decreased development of T. urticae population on both treated and not treated plants with biostimulants. The effectiveness of A. swirskii, at the low infestation of spider mites, was similar on the plants cultivated without biostimulants and the plants treated with Asahi SL while lower on the plants treated with Siapton 10 L. A similar dependence was also observed for the development of predator population on these plants. The highest predator population developed on plants severely infested by spider mites and treated with Asahi SL. With large number of mites on leaves the biostimulant increased also effectiveness of predator, which occurred as high consumption of T. urticae eggs and young larvae.
Highlights
The aim of the study was to evaluate if the application of biostimulants in cucumber cultivation can influence the efficacy of biological control of Tetranychus urticae by predatory mite Amblyseius swirskii Athias-Henriot
The effectiveness of A. swirskii, at the low infestation of spider mites, was similar on the plants cultivated without biostimulants and the plants treated with Asahi SL while lower on the plants treated with Siapton 10 L
The highest predator population developed on plants severely infested by spider mites and treated with Asahi SL
Summary
Dwa dni po wysadzeniu roślin do pierścieni wprowadzono na nie po 15 samic przędziorka chmielowca (5 samic na jeden liść). Po 4 tygodniach żerowania szkodnika określano jego liczebność na losowo wybranym jednym liściu ze środkowej części każdej rośliny, z wszystkich grup doświadczalnych. Następnie na uszkodzone przez przędziorki liście wprowadzono drapieżnego roztocza – A. swirskii w liczbie 10 osobników. Po dwóch tygodniach od momentu wprowadzenia drapieżcy liczono ruchome stadia ofiary (T. urticae) i drapieżcy (A. swirskii)
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.