

Ji^aKL 



iKKi: s(:k\im:i) io i'ukvkm diskask 



The Chinese method d" wanlin^,' oil atUicks of the l)ark disease from llieir et)mmercial planta- 

 tions is to keep the trunk and hirj^er limbs seraped clean, thus giving the spores of 

 E ■ 



method of pre^ 

 Myer. June 1, 1913. (Figure 15. 



ions IS to Keep tne irunK anci larger iimns seuqieu tiean, ulu^ ^imhk >-'"- ^h""-^ "» 

 indothia little foothold. This photogra])]i illustrating the ai)pHcati(.n of this crude 

 lethod of prevention was taken at San tun ying, ])n)vinee of Chili, China, by Frank N. 



28 



