The Planter's Enemies 35 



which has been proved : in many shaded 

 plantations, well looked after, but which have 

 never been sprayed, while the trees are 

 beautiful in appearance, they give very little 

 fruit ; whilst the same trees, once they have 

 been sprayed, give very abundant crops. The 

 contrast is very noticeable." 



The Hemileia Vastatrix is perfectly cured 

 with the Bordeaux Mixture. The best pre- 

 paration appears to be the following : 



Sulphate of Copper . 1 Ib. 



Lime . . . . 1 Ib. 



Black Soap . . . 1 Ib. 



Water .... 22 gallons. 



A coffee plantation which the author of the 

 notes considered as lost revived to a state of 

 complete health after it had been submitted 

 to the spraying operation. The same thing 

 happened in Bourbon. Since the spraying 

 operation was started, they have kept doing it 

 three times a year, when the vegetation starts. 



The Secretary of the Agricultural Chamber 

 for the French Colonies corroborates this data, 

 pointing out considerable increase in export of 

 coffee in the Island of Reunion, being 133,000 

 kilos in 1911 against 25,000 in 1908. This 

 serves to call attention to all coffee planters as 

 to the importance of spraying their coffee trees 



