88 



SPRAYING CROPS 



gus is propagated by these long spores throughout the 

 summer, but in autumn the threads of m}xehum "form 

 solid tissue-like masses in the dead parts of the spots," 

 which finally appear at the surface as small black dots. 

 By means of these dots or nodules the fungus passes 

 the winter. A leaf affected by this disease is repre- 

 sented on page 84. 



strawberry Leaf Folded by Leaf=roller 



(After Garman) 



Remedies — During July and August spray with 

 Bordeaux mixture or ammoniacal solution of copper 

 carbonate, at intervals of two weeks. Try mowing 

 and burning foliage soon after the fruit is gathered, 

 and then spray as just directed. ^Mowing and burning 

 at this time, without subsequent spraying, is believed 

 to increase rather than diminish the blight, at least 



