In normal years, Leucoptera scitella is an insignificant pest in organic apple orchards of Northern Germany. In some years, however, its population rises so that it is neces-sary to control this pest. We made a trial in an organic orchard aimed at testing the potential of Neem Azal and BT to control L. scitella. Neem Azal sprayed during the period of egg hatching was effective at controlling L. scitella. A first strategy for on-farm use has been developed
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