The Peach-Tree Borer. 2-i3 



single year's respite ; the trees must be treated anew each j^ear and 

 thus the warfare is a perpetual one. 



The following substances injured or killed our trees and are there- 

 fore classed as danger o us : 



Paris green and glue^ 



Raupenleim^ 



Dendrolene, 



White jxdnt, 



White paint and Paris green^ 



Printer'' s ink. 



The following is a list of the things we found to be practically 

 ineffectual or useless : 

 Wire cages, 



Carhon hisidphide, 



Asafetida and aloes, 



Lime, salt and sidphur, 



Resin loash, 



Hard soap, 



Talloic, 



Tansy, 



Whale-oil soap, 



Whitewash, 



Lime and linseed oil, 



Hydraulic cement vmsh, 



Pine tar. 



Haters wash (1 application). 



The following methods proved to be quite effective, tliat is, most 

 of them kept out over -J of the borers : 



Hale's wash (2 applications) kept out \ to \. 



Mounding kept out \ to -f^. 



Tarred paper kept out \ to \. 



Tobacco stems kept out f to \. 



We would expect equally as good results from the " digging-out " 

 method applied under the conditions stated on pages 208 and 237. 



Gas tar (p. 235) gave us the best results of anything we tried. 



We doubt if the applications listed as quite effective would prove 

 as effective if used alone, hence we would recommend that they be 



