The Imants Rotoknife from Campey Turf Care Systems is proving an effective weapon in the fight against Chafer Grubs.
2014 proved an excellent year for the Chafer grub and consequently a particularly bad year for the turf professional responsible for managing the grass.
Peter Wisbey is an independent greenkeeping Consultant with over 48 years of hands-on experience in the golf industry, here in the UK and across Europe. The problem of Chafer grubs is not a new one and the usual approach is to consider the application of insecticides. However this option is becoming increasingly difficult to justify and an alternative sustainable solution is needed.
“The first indication that there is a problem is usually damage from foraging birds and mammals eager to reach the chafer larvae lurking in the soil.” explains Peter
“Insecticides that will control Chafer larvae are few, and in mainland Europe are almost non-existent. So while I was working with a golf course in Northern Germany it became apparent that we needed to ‘think outside the box’ and come up with a way to deal with these damaging pests.”
After studying data Peter established that the grubs are closest to the surface between August and October. “The Club suggested shooting the crows;” joked Peter “But as I explained this was addressing the effect and not the cause. The larvae feed on the grass roots; sometimes to such an extent that large areas of turf can be rolled up like a carpet and the larvae will be found just below the interface.”

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