56 



INSECTICIDES AND SPRAYING 



which applies the liquid in a fine spray and with force. The 

 Vermorel type is the most desirable, and of recent years the nozzles 



known as the " Friend" 

 and the "Mistry" ap- 

 pear to give best results. 

 When Bordeaux mixture 

 or whitewash is to be 

 used, a "Bordeaux" noz- 

 zle is best. A nozzle with 

 sharp angles or projec- 

 tions is apt to catch on 

 twigs and branches while 

 in use. Figures 84, 85, 

 86, 87 and 88 illustrate 

 different types of nozzles. 



FIG. 81. A sensible outfit for power spraying, rpi J- +_._ ~f ,,/U^V, 

 where large trees have to be treated. (Courtesy of ine Q1SC l YP e > OI WHICH 



the Gould Mfg. Co.) the "Mistry" is an ex- 



ample, shown in figure 87, B, B 1 and C, and in figure 88, 2, receive 

 most favorable comment in connection with tree spraying. 



F - 



FIG. 82. Three-row sprayer at work in a field of strawberries. 



Never spray plants or trees when in bloom. Protect men and 

 horses from lime-sulfur. 



The Spray Itself. Closely connected with the subject of a 

 nozzle is consideration of the spray itself. The liquid must be 



