Show spray results in 62 52 counties of pennsylvania fruit growers last year received information on methods of protecting their apples from the ravages of diseases in orchards where spray recommendations were followed completely ely there was only per cent disease in improperly sprayed or chadds there thera was per cent diseased fruit and in unsprayed orchards visited per cent of the apples were scabby in the erly sprayed orchards omission of of sprays caused per cent disease use of substitute materials caused it 11 per cent disease rind and poor timing r resulted e tn in per cent disease |