Municipality Venray: biological control of oak processionary caterpillars

caterpillar management for the Municipality of Venray. ‘We use nematodes at locations in outlying areas where there might be protected species of butterfly

Two-spotted spider mite

Adult females are about 0.5 mm long. They have an oval body that is rounded at the rear end. Their colour can vary from orange, light yellow or light green [...] more active than the females, with a body that is narrower and more pointed at the rear. Colour is very variable: from light yellow or orange to dark yellow

Shallot aphid

remain small and yield is reduced. On bulbs and shallot, the aphids often occur at the end of the storage period causing malformation of new plants. Life cycle

Steinernema carpocapsae

pressure of 20 bar/290 psi (on nozzle) The spray nozzle opening should be at least 0.5 mm (500 microns – 35 mesh) - preferably high flow rate cone nozzle [...] Steinernema carpocapsae is active between 14-34°C/57-93°F but performs best at temperatures between 19-31°C/66-88°F Soil or air temperature below 5°C/41°F

Spidex Vital lives up to its promises

doing their job.’ A tense moment Sjaak van Dijk switched over to Spidex Vital at the start of February. ‘I have three crops a year,’ he tells us five weeks [...] it. A week after the first deliveries were released, he had a closer look at the crop. ‘It was clear that the predatory mites were distributed throughout

Ervibank

strategy for your situation. Environmental conditions Ervibank is effective at temperatures up to approximately 30°C/86°F. Side Effects Aphids on banker [...] susceptible to insecticides. Remove the banker plants from the greenhouse for at least 24 hours when fogging/spraying an insecticide. If the insecticide is

Cerall

treatment equipment can be used to apply on the seed. Dosage Apply preventively at a rate of 1 litre/100 kg of seed Always check the product label for more [...] Cerall before sowing of seeds. Environmental conditions Cerall performs best at 14-26°C/57-79°F. Notes Treated seeds can be stored for up to 1 year after

Trichoderma harzianum

Micro granules ( Trianum-G ): can be mixed with substrate or applied in furrow at sowing using a granulator Trianum is most effective when used preventive: [...] Applications with Trianum-P or Trianum-G should start as early as possible, at the moment of sowing or transplanting. For transplanted crops it is possible

Broad mite

mite ( Polyphagotarsonemus latus ), is the appearance of dark brown edges at the base of young leaves. In case of a mild infestation, one can often see [...] corky patches frequently appear causing misshapen fruits that often crack open at the site of deformation. Flowers are often discoloured, and with a severe

Municipality Doetinchem: Entonem nematodes managing oak processionary caterpillar

a great benefit to biodiversity. In mid-April, we started using nematodes at locations with significant contact options within the built-up area. For the