SMALL FRUITS 159 



percentage of mildewed fruits from sixty-three on the 

 untreated bushes to eighteen on the treated bushes. The 

 proper time to spray is indicated in the accompanying 



Fig. 68. — Stages at which spraying should be given for mildew. After Close. 



figure. Treatment should be begun at the condition shown 

 in the left-hand figure, and continued at intervals of ten 

 days or two weeks until seven applications have been made. 

 Spraying begun when the bushes are in the condition 



