56 



THE COCO-NUT 



CHAP. 



Home suggests the use of wind-breaks as barriers to the 

 spread of the disease. Strips of natural timber, left 

 when forest land is put into coco-nuts, can be expected 

 to have a limited value in this way against the spread 

 of this and other diseases. Close planting is certainly 

 favourable to the spread of the disease, and is to be 

 condemned for this as well as for other reasons. 



The Cuban Government made an appropriation of 

 fourteen thousand dollars to carry further the study of 

 this disease, but without results of value. 



Jamaica. — Remedial measures have been better 

 tested 1 in J amaica than anywhere else. The naming 

 method originated here. The Director of Agriculture 

 reported in 1905 that "Mr. Cradwick has been engaged 

 at intervals during the last two years in applying various 

 remedies suggested by me. These experiments are still 

 in progress, but I may say that I find the most effectual 

 remedy is to spray with the Bordeaux mixture, at 

 intervals of six to nine months, until there is no trace 

 of the disease." 



The mixture used was : — 



Copper sulphate ... 6 pounds. 

 Lime . . . . 4 „ 



Water . . . . .50 gallons. 



More definite reports showing the value of Bordeaux 

 mixture have since been made, applying, of course, only 

 to cases in the early stages of the disease. Advanced 

 cases are destroyed. The cost of buying chemicals and 

 applying the mixture is estimated at two peace in 

 Jamaica. This is cheaper than it is possible in most 

 countries to do the work well enough to give any chance 

 of success. Mr. Fawcett is quoted by Home as stating 

 that " a variety known as ' green skin ' in Jamaica is to 

 a large degree resistant, and that the San Bias is the 

 worst affected variety." 



Trinidad. — In Trinidad it has been established by 

 Fredholm to his own satisfaction that bud rot appears 

 in two forms. One of these is caused, so far as it has 



