BIGGA has announced this week that authorisation for the use of the Syngenta insecticide, Acelepryn, for the control of Leatherjackets (larvae of Craneflies – Tipula spp.) and Chafer Grubs (larvae of various species but especially Melolontha melolontha and Phyllopertha horticola) has just been approved for use until September 2019. Chafer grubs and leatherjackets cause damage to turf through extensive feeding on roots, which can be severe in localised patches. Furthermore, extreme damage can occur when badgers, birds and other foragers root through the turf in search of the grubs. "Since the withdrawal of effective insecticides, economic damage from chafer grubs and leatherjackets has been of major concern,” reported ICL technical manager, Henry Bechelet. “Obtaining this emergency authorisation of Acelepryn enables us to manage the most damaging effects of these soil pests as part of an integrated turf management programme.” The emergency authorisation permits Acelepryn use in situations where there is an acknowledged instance of economic damage or risk of bird strike on airfields, and where the product has been recommended by a BASIS qualified agronomist. This season, ICL’s work has seen the authorisation extended to permit limited use on affected fairways, as well as greens, tees, horse racetracks and airfields. Acelepryn can be applied up until 30 September 2019, to cover the key chafer grub and leatherjacket treatment timings that coincide with egg hatch and initial larval activity. This season, an on-line turf pest ID guide, to aid the identification of adult stages of key target soil pests and target application timing, is now available on the Syngenta GreenCast website, along with Best Use Guidelines and application advice. Course managers who believe they have suffered economically damaging effects of chafer grubs and leatherjackets are advised to contact their ICL Area Manager or BASIS qualified agronomist/distributor
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