Impact of high pressure installation on the viability of insecticide nematodes

The results were presented of research into the impact of high pressure installation elements: the piston pump and sprayers with double flat spray: TeeJet DGTJ-60: 110/02, 110/03, 110/04 on the viability of entomopathogenic nematodes Steinernema feltiae. The research was carried out with the pressure of liquid in the installation of 10.0 MPa. The measurements of the number of living nematodes in fluid samples collected from the container, from the pipe that feeds the sprayer and from liquid collected under the sprayer were compared. A 17.7% decrease of the viability of nematodes caused by the pump was found and a 23.6% viability decrease was established caused by the sprayers.

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