464 FETCH : 



the roots, but whether only after they have been injured has 

 not yet been ascertained. 



On the whole, though Botryodiplodia tJieobromce is ex- 

 tremely widely spread, it has caused comparatively Uttle 

 damage, and it is impossible to resist the conclusion that in 

 the majority of instances it is only saprophytic. Koorders 

 concludes, as a result of his infection experiments, that Diplo- 

 dia Wurthii is a saprophyte which in rare cases can function 

 as a wound parasite. 



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