Pest monitoring system promoted at spring walk

The Trapview automated pest monitoring system can help growers adapt to an era of more selective and precise pest control applications, its supplier Landseer's general manager Colin Carter told the British Independent Fruit Growers Association spring walk.

"You increasingly have to justify crop interventions - and if you want to disrupt mating, you really have to be on top of your trapping," he said. "This isn't forecasting, it's telling you what you have day to day. We have lost broad-spectrum insecticides including Chlorpyrifos and while the newer ones are good they need careful timing."

Housed in a normal delta-trap, Trapview not only takes photographs automatically but also identifies them "pretty accurately" and then plots their numbers on a graph over time, along with temperature, he explained. "It helps you decide whether to spray and, if so, when."

On codling moth in pear, he said: "The males become active at 13 degsC but the females won't mate below 16 degsC, so you know when it will occur and therefore when they will lay their eggs."

He added: "We are also applying this to other pests like the silver wire moth in salads and the diamond-back moth in brassicas. As they are migratory, we now have an early-warning system on the east coast."


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