304 



STATE HORTICULTURAL SOCIETY. 



ease is most likely to be troublesome at the time the early sorts are ripen- 

 ing, care should be taken to keep the fruit and also the leaves well covered 

 with some fungicide, that the spores may be killed as they germinate and 

 thus prevented from entering the tissues. After the fruit is half grown 

 it will be necessary to rely upon some of the soluble fungicides, such as 

 copper sulphate solution (dilute formula), or the ammoniacal solution of 

 copper carbonate. 



Fig. 23.— Bbown Rot of Cheeey {Oidium fritctigena, Kze. and Schm). 



1. Diseased leaf showing spots made by fnngos, upper side. 



2. Ditto, underside. 



3. Bunch of cherries attacked by fungus. 



a. Cherry which was diseased the year before and has hung on the tree over 



winter. 



b. b. Green, healthy cherries. 



c. c. Diseased cherries with the blossom, d, clinging to the fruit. 



—After Galloway. 



