Original scientific paper

IMPACT OF TECHNICAL SPRAYING FACTORS ON LEAF AREA COVERAGE IN A VINEYARD

Vjekoslav Tadić orcid.org/0000-0002-2307-9255 ; Faculty o Agriculture in Osijek, J.J. Strossmayer University of Osijek, Osijek, Croatia
Vladimir Zebec ; Faculty o Agriculture in Osijek, J.J. Strossmayer University of Osijek, Osijek, Croatia
Marija Ravlić ; Faculty o Agriculture in Osijek, J.J. Strossmayer University of Osijek, Osijek, Croatia
Bojana Brozović ; Faculty o Agriculture in Osijek, J.J. Strossmayer University of Osijek, Osijek, Croatia
Jelena Ilić ; Faculty o Agriculture in Osijek, J.J. Strossmayer University of Osijek, Osijek, Croatia
Branimir Vujčić ; College of Slavonski Brod, Slavonski Brod, Croatia

Abstract

Research was conducted in a vineyard with two different types of mounted mistblowers, axial (Hardi Zaturn) and radial (Hardi Arrow). The influence of major technical spraying factors (type of nozzle, working speed and spray volume) were observed on the coverage of the treated area, average droplet diameter, number of droplets per cm2 and drift. The working speed of mistblower was set at 6 and 8 kmh-1, and spray volume on 250, 300 and 350 lha-1. In research, Lechler TR 8003C, TR 8002C and TR 80015C nozzles were used. Sixty water sensitive papers (WSP) were used for the treatment and processed by digital image analysis (DIA) and ImageJ software. The major technical spraying factors have a high statistical impact (**) on the main properties of the research. By comparing the results of the research on axial and radial mistblower in the vineyard, better results (*) were achieved with a radial mistblower.

Keywords

axial mistblower; working speed; nozzle; spraying norm; area coverage; radial mistblower; water sensitive paper

Hrčak ID:

183225

URI

https://hrcak.srce.hr/183225

Publication date:

25.5.2017.

Article data in other languages: croatian

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