266 THE RUBBER TREE BOOK 



stems of Heveas, is not nearly so common as Fomes, but is yet, 

 unfortunately, by no means rare. It usually makes its first 

 appearance at the junction of branches, or at the forks of trees. 

 On one well-known Java estate, where it was unusually preva- 



FIG. 75. Case of Diplodia observed through the Appearance 



of the Bark. 

 (Photo by Mr Richards, Mycologist, Caledonia Estate, Straits Settlements.) 



lent, all the forks of the trees, where water could possibly lodge, 

 were well tarred as a preventive measure. 



Excision of the diseased portions of the bark is the only 

 remedy, and after thorough excision the portions where bark 

 has been removed should be well tarred. It should not be 

 taken for granted that the excision has proved a remedy. The 



