Contents 



page 



Introduction 3 



General information on the peach-tree borer 3 



"Worming" process 4 



Para-dichlorobenzene 5 



Age of trees — short treatments 6 



Dosage 7 



Method of application 8 



Time of application 8 



Greenhouse peach trees 9 



Plum and cherry trees 12 



Borers in other plants 12 



Conclusions 12 



