i66 



Bulletin 272. 





^.%M2'''-< 





Fig. 22. — Cutting Twig Blight from young apple trees. This will pay on young 

 apple trees or on pears or quinces of any age, but is unprofitable on old apple 

 trees as the disease seldom injures them seriously. 



not profitable to take it out as fast as it appears one cannot afford to 

 grow pears. 



That the above plan of operations is effective and practical, as well 

 as profitable, is shown by the experience of Mr. J. V. Curtis of Hilton, 

 N. Y., who in 1908 undertook the control of this disease in his ten-year- 



