82 THE APPLK LEAF HOPPER 



while fifty-seven per cent of the fruit was not fit for market. In 

 other words, there were more unmarketable than marketable apples. 

 The causes of the injury which determined the above counts were scab, 

 codling moth and curculio. 



We feel compelled to say from our work of 1907, which was 

 fully corroborated in 1908, that where water is abundant, and the 

 ground level, liquid Bordeaux, to which arsenate of lead has been add- 

 ed, is far preferable to any spray applied as a dust. There is no ques- 

 tion but that a proper use of dust spray gives good results, but these 

 results are so dependent upon the weather, time of spraying and otlier 

 conditions, that the disadvantaees of its use are decidedlv against it. 



