Diagram. 



Showing the average number of green bolls and the average number of 

 bolls attacked by Gelechia per thousand cotton plants and the percentage 

 of green bolls attacked 6y Gelechia in Lower and Middle Egypt 



o 

 -o 



C; 

 CL> 



CD 



11000 



10000 



9000 



8000 



7000 



6000 



5000 



1-000 



3000 



2000 



1000 



.^.+ Percentage of bofls attacked. 



