INSECT PESTS OF CIGAR-TYPE TOBACCOS 45 
FicgurRE 49.—Spraying shade-grown tobacco with a knapsack sprayer for the 
control of the tobacco thrips. This method is extremely laborious and does 
not always result in an even application of the spray. 
FIGURE 50.—Power sprayer used in tobacco thrips control. This method is 
much more efficient than the knapsack-pump method when large areas are 
to be treated. 
