MULBERRY-DWARF TROUBLES IN JAPAN. 



177 



plants contained a far smaller quantity of reserve materials 

 in the roots, and that the new shoots coming out after the cutting 

 suffered from the deficiency of nutriment, and consequently 

 became diseased. 



5. Yotsume. May 22, 1898. 





Healthy 



Diseased . 



Number of stems 



4- 



35- 



Number of leaves 



553- 



1387- 



Average length of stems 



66. cm. 



45- 



Total fresh weight of stems 



117. 



210. 



Average fresh weight of 1 stem 29.25 



(\ 00 



Total fresh weight of leaves 



100.85 



08 6 s 



Average fresh weight of 1 lea 



f 0.181 



0.07 1 



Total dry weight of leaves 



28.612 



27.024 



Average dry weight of I leaf 



0.051 





Moisture in fresh leaves 



71-63 





Dry matter in fresh leaves 



28.37 



27. AO 



Number of leaves on 1 stem 



140. 



40. 



Dry matter in leaves of 1 stem 



7.158 





In 100 parts of dry matter, 





Healthy leaves. 



Diseased leaves. 



Crude proteids 



28.75 



27.94 



Crude fats 



3-83 



345 



Crude fibres ) 



59.66 





Nitrogen-free extracts j 



60 07 



Crude ash (free from carbon 







and sand) 



7.76 



8.54 



Total nitrogen 



4.60 



4.47 



Albuminoid nitrogen 



4.34 



4.15 



Non-albuminoid nitrogen 



0.26 



0.32 



In 100 parts of ash (free from carbon and sand), 



Healthy leaves Diseased leaves 



3.44 4.60 



