. Agricultural news. Agriculture -- West Indies; Plant diseases -- West Indies. A FORTNIGHTLY REVIEW OF THK LIBRAI NEW Y( BOTaNK IMPERIAL DEPARTMENT OF AGRICULTURE FOR THE WEST INDIES. Vol. IX. No. \, .JULY , 1910. Prick Id. CONTENTS. Page. Page. Birds. Ftodin- H; ..f ... L'31 Cacao Cultivation in tlio Geiiuan Coler, Varieties of ... 231 St. Viment Society 229 Sicily. Tradeand Commerce of. 1909 23:5 Students' Corner 237 .Sugar Industry •— The Manufacture of White Sugar in Java 227 Tobacco Industry in the United SUtes 2S3 West Indian Products ... 239
. Agricultural news. Agriculture -- West Indies; Plant diseases -- West Indies. A FORTNIGHTLY REVIEW OF THK LIBRAI NEW Y( BOTaNK IMPERIAL DEPARTMENT OF AGRICULTURE FOR THE WEST INDIES. Vol. IX. No. \, .JULY , 1910. Prick Id. CONTENTS. Page. Page. Birds. Ftodin- H; ..f ... L'31 Cacao Cultivation in tlio Geiiuan Coler, Varieties of ... 231 St. Viment Society 229 Sicily. Tradeand Commerce of. 1909 23:5 Students' Corner 237 .Sugar Industry •— The Manufacture of White Sugar in Java 227 Tobacco Industry in the United SUtes 2S3 West Indian Products ... 239 Some Considerations in the Treatment of Plant Diseases. NE of the most importimt considerations which enter into the of pi uit diseases is the relation between the expense it involves and the return in additional profit which it is likely to yield. This relation is often dependent on several factors of a purely local nature, so that the correct solution of the problem, in any given , depends on usefid co-operation between- the and his advisers. It is with the object of indicating in what ways this co-operation is specially impor- tant that the following matters are brought under discussion. When any crop is attacked by of a fungoid origin, the nature of such attack may be of two kinds: either it may be epidemic and destroy, or threaten to (iestroy, the whole crop in the course of a short space of time, or it may cause the steady loss of a certain percentage of the produce during a long period: that is, it may be endemic. In the second case, there is always to be taken into consideratioti the additional danger of such diseases becoming suddenly epidemic. The general nature of the advice given by a plant pathologist, or mycologist in dealing with disease lalls umlerthree heads. Firstly, total destruction of the dis- eased plants: secondl}', the application of remedial and preventive measures to diseased plants or to plants likely to bec
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