i6 7 



indicate that the latter fungus is either saprophytic or only com- 

 pletes destruction commenced by Pcstalozzia. The spread of this 

 disease is accomplished by wind and rain, and therefore, besides 

 making every effort to keep the cocoa-nut trees healthy and vigorous 

 by improved cultural methods, all sources of infection should be 

 removed, as they may be the cause of considerable damage during 

 an unfavourable season. 

 The following remedial measures are recommended : — 



[a) All dead trees should be cut down and, with diseased leaves, 



etc., should be destroyed, preferably by fire. 

 0) Isolated trees that show signs of disease should be marked, 

 carefully watched, and all leaves that become attacked cut 

 out and burned. 



(c) All plants in the diseased area should, as a preventive, be 

 sprayed repeatedly with Bordeaux mixture, particular atten- 

 tion being given to the younger leaves. 



Bud-rot Disease. 



A bud-rot disease was noticed in isolated cases in the Cedros 

 district, and had apparently caused the death of many palms $n a 

 savannah in the Siparia district. 



The cause of the trouble is somewhat obscure. The roots and 

 stem of the palm appear to be quite healthy, while the bud is in- 

 volved in a vile-smelling soft rot. In one instance, a fungus was 

 present in the advancing margin of the diseased part, but generally 

 bacteria were the only organisms present. Three kinds of bacteria 

 were noticed, and two of them had previously been found in trees 

 ^at were suffering from other causes. On no occasion could it be 

 established, with certainty, how the bacteria gain an entrance, or 

 « nether they are the primary cause of the trouble. 



Jn the Siparia district the spread of the disease was very rapid ; 

 °™ "t is probable that more careful attention to cultivation, etc., and 

 E Pt destruction of all diseased material would tend to keep this 



sease well in hand. 



Finally it must be urged that in dealing with the diseases of cocoa- 

 «s, the adoption of remedial measures must be carried out 

 ^temahcally by all interested in cocoa-nut cultivation ; for, by co- 

 Peration of the planters in this matter, it would be possible to check 

 6 d,Seases and probably to eradicate them. 

 {Agricultural News, West Indies), Vol. VI, No. 127, p. 75- 



BIBLIOGRAPHY. 



• ot es on Rubber Cultivation by Lieut.-Col. Wyllie 

 and O. G. Ferreira. 

 FortuL HttIe book wa s originally compiled for publication in 

 Col ffivf! ° nl >' but an English edition has been brought out by 

 VVLL IE, formerly in charge of the Rubber plantations in 



