THE CANKER-WORM 



attempts to pass over it. Either of these substances will remain 

 for two or three months in a sticky condition. To prevent 

 canker-worm injury, an application early in March, and an- 

 other the first of September will probably suffice. It has 

 sometimes been recommended to smear raupenleim and den- 

 drolene directly upon the bark of the tree, but recent experi- 

 ence has shown that there is danger of thus injuring the tree 

 through the absorption of the materials of which the applica- 

 tion is composed. It is probably worth while to take a little 



i 



*£ 



iii 



mi it 

 'Mm r 



■% . -i7kft &£* ill 1 i 



A i i • 







Fig. 5. — A New York spraying outfit. (After Bailey.) 



more trouble and use the paper, rather than run any risk of 

 loss. The dendrolene may be purchased of the Bowker Fer- 

 tilizer Company, of Boston, and the raupenleim of William 

 Menzel & Son, 64 Broad St., New York, N. Y. 



If thoroughly applied, the bands being kept on throughout 

 the entire season, during which the moths and caterpillars 

 appear — from September till June — this banding method is 

 easily applicable to orchard practice. In cases where the 

 attack the previous season was severe, it will generally pay to 

 apply the bands, even if the orchardist expects to spray his 



