196 TREE WOUNDS AND DISEASES 



longevity of the " monarch of the forest." If 

 only for the great age to which it attains, the 

 oak is well worthy of special attention in the 

 matter of bracing and filling. 



Pear. The pear is subject to the attacks of 

 several bark- and wood-boring insects, also of 

 fungi, and the heavier branches are apt to get 

 broken over, especially when weighed down 

 with fruit. For treatment refer to chapter on 

 fruit trees. 



Pines. The Scotch pine suffers from many 

 insect and fungoid pests, and when growing 

 on unsuitable soils is frequently " pumped " or 

 rotten at the core. The pine beetle does great 

 damage in young plantations, when cleanliness 

 of the woodlands in the matter of fallen branches 

 is the first preventive. Neither the Corsican 

 nor Austrian pine is subject to disease, though 

 we have known both to suffer considerably 

 from the attacks of the pine beetle. 



Peridermium strobi attacks the Weymouth 

 pine, as do several insects that are commonly 

 reported on the larch and other coniferous 

 trees. All the pines are subject to heart-rot, 

 the Weymouth in particular. In replanting 



