80 



Table 12, Ten oranges were washed in separate bags containing 

 50 ml isopropanol. Three 2 ml aliquots were taken from each bag 

 and the number of rust mites counted and recorded (Sample l,2,3j. 

 These were then averaged (Average) and multiplied by the percent 

 of the sample they represented to give (Number of mites per fruit). 







Alcohol 



Emersion 



Method 





Fruit 

 Number 



1 



Sample 

 2 



3 



Average 



Number 

 Per Fruit 



1 























2 







1 



1 



.66 



16.50 



3 



1 











.33 



8.25 



4 







2 







.66 



16.50 



5 







2 







.66 



16.50 



6 



2 



4 



2 



2.66 



66.50 



7 



4 



3 



4 



3.66 



91.50 



8 



3 



1 



2 



3.00 



75.00 



9 



4 











1.33 



33.25 



10 



10 



9 



6 



8.33 



208.25 

 53.23* 



Average of 10 samples, 



