File:The rubber tree book (1913) (14756198046).jpg

Identifier: rubbertreebook00macl (find matches)
Title: The rubber tree book
Year: 1913 (1910s)
Authors: Maclaren, W. F. de Bois
Subjects:
Publisher: London : Maclaren & sons
Contributing Library: University of British Columbia Library
Digitizing Sponsor: University of British Columbia Library

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FiG. 8i.—Tree attacked by Boring Beetles (Xyloborus), showing excavated Wood Dust on Stem.(Pho.o by Mr Richards, Mycologist, Caledonia Estate, Straits Settlements.) ance, but although one cannot afford to neglect them, cases arenot very numerous as a general rule. There have, however,been a few instances in which large numbers of them have ap-peared on a plantation and done sufficiently serious damage.One such case occurred in Java a few years ago. Disinfectants,excision of bark, and smearing with tar were found to be useless.
Text Appearing After Image:
Fig. 82.—An Old Tree on Sungei Roean Estate, Sumatra, attacked byBoring Beetles. PESTS 281 Ultimately the worst-affected trees were cut down and burned inorder to prevent the pest increasing when the eggs the insectshad deposited in the wood of the trees were hatched out. Whilemany planters have asserted that only dead or dying trees areattacked by these beetles, the facts undoubtedly point the otherway. The illustration given of an attacked tree which showsthe latex freely escaping from the holes made by the beetlesproves this, and so does the experience of several well-knownmanagers. Wild pigs are more troublesome in Java than anywhere else,and several estates have had to spend a good deal of money onthe erection of substantial fencing with eleven strands of wireto exclude them. Monke3^s and deer are ubiquitous, but, although trouble-some, can be kept under, and the damage that they do is seldomvery extensive. Porcupines do a lot of damage among seed-lings in Ceylon, and the onl)^

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