368 Journal of the Department of AGRictLTtiRfi. — Oct., 1922. 



cut iiciiily a\\a\, and painted over with tar or some oilier sneli siil)- 

 stauee. Sueli covering should bo renewed at intervals uiilil ihe wound 

 lias Ilea led. I^ranclies known to l>e diseased should be c-ut back f() 

 JiealtJitj irootL and burnt, and the resulting wound painted over. 



Any condition of soil or climate which tends to weaken a tree is 

 liable to make it more susceptible to such fungus attack. Therefore, 

 it is most essential that every care be taken towards keeping one's 



& 



um 





IracKedl 

 wall 



FKt. 5. — Camera lucida idravvint;' of a longitudinal scclion of 

 diseased apricot wood showing hyphae of Schhopliylluni 

 ciiiii lit line in the vessels and a certain amount of gumming. 

 X 1100. 



trees in the best of condition. Lime is (diaraeteristically deficient in 

 the Western Province soils, and every fruitgrower should make it his 

 business to see that this deficiency is made good, as a lack of lime* 

 seems to be a common predisposing cause towards successful attacks 

 by wood-rotting fungi. 



