DANGEROUS INTERNATIONAL FOREST TREE DISEASES 9 



Forties senex Xees & Mont. ( XX) 



A wound parasite on living and also on dead 

 trees. 

 Pestalotia saecardoi Speg. (X) 



Polyporu8 cuticularis (Bull.) Fr. (X) 



On dead wood. 



5. Quercus Uneata Bl. Distribution: Eastern Himalayas, at 

 6.000-9,000 ft., Khasi and Xaga hills (Assam), hills of Upper 

 Burma. 



F cymes pinicola Fr. ( X ) 



Fames senex Xees & Mont. (XX) 



A wound parasite. 



6. Quercus semecarpifolia Smith. Distribution : Throughout 

 Himalayas. Assam-Burma frontier. China. A high altitude oak, 

 usually at 8.000-12.000 ft. 



Bulgaria inquinars Fr. (X) 



Causes stem canker. 

 Fomes foment arius (L. ex Fries) Kickx (XX) 



On living trees and also on dead wood. Causes 

 white spongy rot with zone lines. 

 Fomes rimosus Berk. (X) 



A wound parasite on stems. Causes white 

 string}- rot. 

 Poly poms consors (Berk.) Stev. (X) 



On stems, causes white fibrous rot. 

 Poly poms cuticidaris (Bull.) Fr. (X) 



On butts of trees, fruiting on wound scars. 

 Causes white stringy rot with chocolate- 

 colored to black zone lines. 

 Poly poms gilvus Schwein. (X) 



Poly poms ohtusus Berk. (XX) 



On living and dead trees. Usually a wound 

 parasite. Causes white spongy rot, 

 Polyporus sulphureu-s Fr. (XX) 



Causes brown cubical heart rot. 

 Polyporus versicolor (L.) Fr. (X) 



Causes white spongy rot with light brown zone 

 lines. 

 Stereum prince ps Jungh. (XX) 



A common wound parasite. Causes white 

 pocket rot. 



7. Quercus sp. Distribution: Xot reported. 



Lasiobotrys elegans (Syd.) Theiss. (X) 



Leucocorm erysiphina Syd. (X) 



On leaves. 



Ph yllosticta exigua Syd. ( X ) 



On leaves. 



Tric-hothyriella quercigena (Berk.) Theiss. (X) 



On leaves. 



Hydnum erinaceus Bull. (X) 



Successful Exotics in India 



Extract from ''Exotics in Indian Forestry Practice" by S. K. Seth 

 and S. X. Dabral. Proc. IX Silvic. Conf. (Part II) J Dehra Dun. 

 India, pp. 72-80. 1956. 



