Vield and Quality of New Scab-Resistant Apple Varieties

125 scab-resistant or scab-tolerant apple varieties are currently being tested concerning their suitabiltity lor commerciai apple production at the research-station in Heuchlingen, Southern Germany. Apart Irom the scab-resistant apple varielies .Topaz' and .GoldRush' which are already used lor ecological apple production lurther varieties also seem lo be suitable. The aim 01 Ihe study was lo lind suilable scab-resistanl subslitutes lor not scab-resistanl standard apple-varielies lor ali periods 01 harvest. A 101 01 new apple-varieties seem lo be goOO lor convenlional production according lo their high levels 01 vitamin C.