12 



EXPERIMENT STATION BULLETIN 



HOURS 



20 



I 5 



10 



5 



o' — 



Al 



40 

 35 

 30 

 25 

 20 

 I 5 

 10 

 5 

 



50 

 45 

 40 

 35 

 30 

 25 

 20 

 I 5 

 10 

 5 

 



1 



.1 



n 



< 



A2 



I 



 



f 

 | 



-i :■ 



 

 { - 



]  



llL 



A3 



APRIL 



MAY 



JUNE 



JULY 



Figure 9. — Seasonal spray schedules on three farms which 

 obtained excellent control 



