Trifolio-M Application of NeemAzal-formulations against chestnut leafminer Cameraria ohridella (Lep., Gracillaridae) H. Kleeberg, E. Hummel, Trifolio-M GmbH Trifolio-M Cameraria ohridella (Lep., Gracillaridae) (nach Wallschläger und Gzik, 2004) 20-40 eggs Pupa 2-3 generations hatching 5 larvae stage Trifolio-M Azadirachta indica - Indian neem tree NeemAzal-T/S Registered since 1998 in EU and Switzerland New registration for the next 10 years in Germany and other countries Trifolio-M Application technique - spray: NeemAzal-T/S Trifolio-M Application technique - spray: NeemAzal-T/S Trifolio-M Application technique - spray: NeemAzal-T/S Control Size of mines/leaf: treated Part of infestation class 4-5 (2- 3 cm2), % Assessment: Efficacy, % Trifolio-M Application technique - Leaf spay: NeemAzal-T/S Part of infested class 4-5 (2-3 cm2), % Trifolio-M Application technique - Leaf spay: NeemAzal-T/S Assessment control NeemAzal-T/S Infestation of 100 leafs 30 DAT1 22,7 0 45 DAT1 23,2 1,5 32 DAT2 231-283 0 new mines Trifolio-M Application technique - Stem injection: NeemAzal-U (17% AzA), NeemAzal-E (2,5%), NeemProTree-7 (7% AzA) Trifolio-M Application technique - Stem injection: NeemAzal-U (17% AzA), NeemAzal-T (5% AzA) Use of new NeemAzal-Formulations against Cameraria ohridella (Lep., Gracillariidae) (Pavela, 2003) Method of application: injector – prototype of Interprovincial Plastics Limited, • Quebec •A 6 cm deep hole ((cid:31) 9,5mm) was drilled at the base of the tree (50-60 cm above ground) at a slightly downward angle. •A bicycle air pump was connected to the tire valve and the injection tube was pressurized to 250 kPa. InjectorTMP 2