174 TREE WOUNDS AND DISEASES 



is to be recommended, but this must be carried 

 out at an early stage of the attack. 



Gumming in Fruit Trees. The condition of 

 gumming or gummosis may be the result of 

 fungus or bacterium attacks following injury 

 to the bark, or indirectly owing to the trees 

 growing under unfavourable conditions as to 

 the quality of soil, dampness in the ground, or 

 standing in too close proximity to each other. 

 In the case of the gean or wild cherry, the 

 latter condition would appear to encourage its 

 spread, especially when the trees are growing 

 in close woodlands ; but with the cultivated 

 cherry attacks of gumming are also of frequent 

 occurrence. 



There is no known cure for gumming, 

 though removal of the cause in soil, site, or 

 prevention of injury is to be recommended. 

 Cutting out badly infested bark and wood and 

 painting with an antiseptic has in some cases 

 been productive of good results. 



As well as the above, which are, however, 

 the worst enemies of orchard trees, several 

 others attack and injure fruit trees, but their 

 depredations do not generally extend to a 



