184 



GARDENING FOE THE SOUTH. 



5. Before any application of the spraying solution is 

 made a careful examination of the plants must be made 

 to determine, as far as possible, what is the character of 



calendar at the end of this chapter will largely assist the 

 operator in determining this question of suitable spray- 



Fig. 78— The Kerowater. 



ing mixture as soon as the character of the disease is 

 known. For instance, " it would be useless to spray with 

 kerosene emulsion to repress mildew, to combat currant 

 worms with Bordeaux mixture, or to apply Paris green 

 for an attack of plant lice.'' (Geneva Exp. Station.) 



6. Some of these mixtures are poisonous, and greal 

 care must be exercised in their use so as to prevent 

 serious accidents. Another point must be remembered, 



