30 EXPERIMENT STATION BULLETIN. 



Applications. Four applications as follows were made: 

 1st. Just before blossoms opened. 

 2nd. Soon after petals had fallen. 

 3rd. Two weeks after second application. 

 4th. After fruit was harvested. 



All spraying was done with a spray gun. The dusting material was 

 applied early in the morning when the trees were w r et with dew. An 

 Ideal power duster was used. 



RESULTS 



Montmorency. There was so little development of leaf blight on the 

 Montmorency check trees that no comparison can be made of the (wo 

 materials. 



English Morello. Leaf blight developed on the check trees of English 

 Morello soon after the fruit was harvested. This was about July 15. 



FIG. 12. CANE BLIGHT ON BLACK RASPBERRIES. This disease is caused by Coniothyrium 

 Fuckelii. It frequently causes the fruiting canes to die before the fruit is mature. 



