376 



GROWTH OF PLANTS 



Figure 148. A, Spraying systems. Upper left: low pressure for inoculation; upper 

 right: high pressure for applying fungicide. Note swinging arm mounting spray gun, 

 height adjustment, attached stirrer, and rimmed plate holding beaker containing fungi- 

 cide. B, Spraying tomato plants on compound turntable in hood, with fungicide at 

 40 lbs pressure. 



