FUNGOUS DISEASES AND SPRAYING 



61 



this disease ; when it alone is to be treated, it is claimed that 

 one spraying with Bordeaux mixture when the apples are the 

 size of a hickor}' nut will prevent it. 

 Results of treatment as for scab : 



On Greeninsfs. 



Free from spots 

 Slightly spotted 

 Badly spotted 



On Baldwins. 

 Free from spots 

 Slightly spotted 

 Badly spotted 



Free from spots 

 Slightly spotted 

 Badly spotted 



The last figures result of 1902. 



Brown Spot of Baldwin. Small circular brown spots on the 

 fruit ; surface of spot slightly depressed ; looks like the begin- 

 'ningof rot; appears late in the season. This disease seems 

 to attack the Baldwin almost exclusively ; its chief injury, 

 according to our observations, is to the appearance of the fruit. 

 Treatment. The same treatment as for scab has proved 

 effective for the brown spot. A summary of results follows : 



Leaf Spot. Small, circular, sharpl}' defined brown spots on 

 the leaves. The apple trees in the vicinity of Durham have 

 been more or less affected with this disease every year. It 

 seemed much more abundant in 1902 than before ; inquiries 

 from different parts of the state were also received in regard 



