14 U.S. DEPT. OF AGRICULTURE MISC. PUB. 939 



Polyporus squamosus (Huds.) Fr. (X) 



Causes brown cubical heart rot. 

 S 'tereum purpureum Pers. (X) 



Wound parasite. Causes white spongy rot. 

 Trabutia quercina (Fr. & Rud.) Sacc. & Reun (X) 



Causes leaf spot. 



2. Quercus ilex Linn. 



Amphisphaeria striata Niessl (X) 



3. Quercus incana Roxb. 



Fomes fastuosus Lev. (X) 



Fomes pectinatusKlotz. (X) 



Causes white pocket rot. 

 Fomes scruposus (Fr.) Cunn. (X) 



Wound parasite, causing white spongy rot in heart- 

 wood. 

 Fomes semitosus Berk. (X) 



Fomes senex Nees & Mont. (X) 



Causes heart rot. 

 Ganoderma lucidum (Leyss.) Karst. (X) 



Nummularia bulliardi Tul. (X) 



Causes dieback. 

 Polyporus hispidus (Bull.) Fr. (X) 



Causes heart rot. 

 Polyporus schiveinitzii Fr. (X) 



Causes brown cubical rot. 



4. Quercus semecarpifolia Smith 



Fomes senex Nees & Mont. (X) 



Philippines 



Tiburcio S. Serevo 



Assistant Director, Bureau of Forestr-y, Department of Agriculture 

 and Natural Resources, Manila 



Pinus 



There are two indigenous species of pines in the Philippines: 

 namely, Pinus insularis Endl. and Pinus merkusii Jungh. & Devr. 

 The following diseases are known for these species : 



1. Pinus insularis Endl. (Benguet pine) 



The pure Benguet pine forest in the Philippines forms a distinct 

 forest type (pine type) in the highlands of northwestern Luzon 

 Island at elevations ranging from 500 to 2,500 meters above sea level 

 but is best developed at elevations ranging from 900 to 1,500 meters. 

 It is reported to exist also in Indo China, Burma, and India. 



Fusarium sp. Dangerous 



Causes damping-oif. 

 Rhizoctonia sp. Dangerous 



Causes damping-off. 

 Trametes sp. Unimportant 



Causes wood rot. 

 Fomes sp. Unimportant 



Causes wood rot. 



