Until a few years ago, persimmon fruit production was considered as non-problematic and did not require regular use of plant protection products, except for the occasional occurrence of scale insects and fruit fly. In 2019, there was an outbreak of circular leaf spot of persimmon (...

The infestation of the olive fruit fly (Bactrocera oleae [Gmelin]) in Slovenian olive orchards had an impact on the quality of produced olive oils. The olive fruit fly affects the chemical and the sensory characteristics of olive oils. Weather conditions in 2014 favoured the dynamics of the olive...

In the predicted climate change scenarios, the risks for the olive sector will increase, which may threaten its economic viability. In Slovenia, measurements over the last decades have already shown a clear trend of increasing air temperatures, reaching temperature records in the summer months. Air ...

The olive moth (Prays oleae Bernard) only occasionally causes major economic damage in Slovenia. The last time it caused major damage was in 2016, when an estimated 25% of the crop was lost. Global warming, leading to higher absolute humidity, milder winters and increasing damage to olives from...

In order to help the users of the Crop protection service of the Agricultural and Forestry Institute of Nova Gorica we developed a graphical application that allows monitoring of the occurrence of the olive fly (Bactrocera oleae) in the entire area of olive production in Slovenia. In year 2021, 32 ...

Based on the experience gained in a field experiment and observations in orchards across Slovenia, we provide information on possible chemical concepts for the control of marmorated stink bug in apple orchards with organic production. In an experiment in the orchard in Šempeter near Nova Gorica, we ...

Drying and consequently decaying of individual olive trees (Olea europaea) have been observed in olive groves in Slovenian Istria for several years. So far, all samples were tested negative for Verticillium dahliae. Samples taken from decaying olives from Seča in 2021 revealed Phaeoacremonium...

Between the years 2020 and 2021 we have conducted a field trial where different commercially available traps for olive fly were tested. The trial was conducted in an olive orchard of 1 ha, that is situated above the town of Ankaran in the Slovenian Istria. We used 4 different traps: yellow stick...

In the year 2021 we have conducted a mass trapping trial with Karate mass traps in an olive orchard in lower Vipava valley. Karate trap is shaped as a plastic cup which contains food bait lure, while the lid is covered inside with lambda-cyhalothrin gel solution. The trap attracts both male and...

In the year 2021, we monitored the olive fly for the first time with the pheromone trap station Trapview produced by the company Efos d.o.o. We have tested the device in an olive orchard where the pest has been monitored for several years using the pheromone trap Dacotrap. In order to compare the...