OLIVE 147 



be planted to some annual crop for a number of years. 

 It is believed that pear trees are immune, and may be 

 planted in the affected areas. 



Olive Leaf-Spot (Cydoconium oleaginum). This is 

 a rather common disease, but is not known to be of 

 enough importance to justify the use of remedial 

 measures. Eotting of the fruit sometimes causes con- 

 siderable loss. It is probably due to various causes 

 and is thought to be largely a seasonal or local effect on 

 certain varieties. 



