. Notizie agricoli. Agricoltura -- West Indies; le malattie delle piante -- West Indies. ;254 IL SETTORE AGRICOLO NEWS. Auci'sT 9, 1919. L'appassire-PUNTA DEL LIMES IN TRINIDAD il seguente documento dal sig. J. B. Korer, micologo, consiglio di agricoltura, Tnni'lad, è riprodotto dal bollettino del Dipartimento di AgriciiKare, Trinidad, Vol. XVIII, parte 1. Siamo grati al Consiglio di Amministrazione per il prestito del blocco che illustra questo articolo:- Durante i mesi di luglio e .gosto 191S, vi è stata una grave epidemia di una malattia di tigli in tutta la colonia, praticamente tutti i distretti essendo ugualmente colpiti. I campioni sono stati rec

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. Agricultural news. Agriculture -- West Indies; Plant diseases -- West Indies. ;254 THE AGRICULTURAL NEWS. Auci'sT 9, 1919. THE WITHER-TIP OF LIMES IN TRINIDAD The following paper by Mr. J. B. Korer, Mycologist, Board of Agriculture, Tnni'lad, is reproduced from the Bulletin of the Department of AgriciiKare, Trinidad, Vol. XVIII, Part 1. We are indebted to the Board for the loan of the block illustrating this article:— During July and .ugust 191S, there was a severe outbreak of a disease of lime trees throughout the colony, practically all districts being equally affected. Specimens were received from a large number of different estate."!, and all showed 'wither-tip' in its characteristic form. This is one of the commonest and most destructive diseases of limes, though heretofore, it has not been very prevalent in Trinidad-V, It is due to the fungus known -as Gheosforniiii limtttkolum, Clausen. The fungus is able to attack the If the weather is not so dimp, the water-soaked appearance is not so pronounced, but the attacked part is light green in colour at first, and then becomes brown. In all cases, the affected shoots wither up, thus giving the popular name of the disease. When the larger young leaves are affected they often become curled and distorted, and the infected areas drop out or become cracked, so that the leaf is punctured with holes. Only young growing loaves and the young shoots apparently can be attacked by the fungus ; leaves and .shoots that have become hardeaed and matured are ipiite immune to the disease. In addition to ihe leaves and the tender shoots, the flowers (O and young fruit are very susce[jtible to attack, and on this account, the disease onuses a great loss of fruit. If the Howers are attacked, they fail from the tree without setting fruit. »hej].young fruits are attacked, they elmw a. WlTHEn-TIP 1) young growth of lime plants of all ages; in fact, at the St. Clair Experiment Station it has caused the death of a great many nur

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