Days from Last EBDC 

 Application to Harvest 



100 



n mm 



ii 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ? 1 i i 1 1 1 1 n 



1 3 5 7 9 1 1 13 15 17 1 9 21 23 25 27 



Orchard Block 



Figure 3. The number of days between the last EBDC application and harvest, compared with the EBDC 

 residue on apple samples. Where detectable, the amount of residue increases from left to right; blocks 

 which had no detected residues are represented in the white background, and blocks with a detected 

 residue are in the shaded background. 



Applications 

 After July 23 



2 

 1.8 

 1.6 



1.4 

 1.2 



1 

 0.8 

 0.6 

 0.4 

 0.2 







1 



No residue detected 



-*— i — i — i — i — i — i— i — t — t- t t t 



7 9 1 1 13 1 5 1 7 1 9 21 23 25 27 

 Orchard Block 



Figure 4. The number of applications of EBDC fungicide made after the last major rain of the season (July 

 23), compared with the EBDC residue on apple samples. Where detectable, the amount of residue 

 increases from left to right; blocks which had no detected residues are represented in the white background, 

 and blocks with a detected residue are in the shaded background. 



24 



Fruit Notes, Winter, 1990 



