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89.12.00aPreferred Citation:
Ferdinand von Mueller to William Kopsen, 1889-12 [89.12.00a]. R.W. Home, Thomas A. Darragh, A.M. Lucas, Sara Maroske, D.M. Sinkora, J.H. Voigt and Monika Wells (eds), Correspondence of Ferdinand von Mueller, <https://vmcp.rbg.vic.gov.au/id//letters/1880-9/1889/89-12-00a-final.odt>, accessed June 13, 2026
1
Letter not found. For the text given here, see B89.12.05. The text was published under
the heading, 'To the Editor of the Fiji Times' and was introduced by the following
letter: 'SIR, – The enclosed was handed me some time ago by Mr. Kopsen, as it may
interest banana planters I send it to you for publication. You might call the attention
of the gentleman from Kew to its subject matter. – I am, &c., H. L. Tripp.'
The 'gentleman from Kew' was probably Daniel Yeoward, who arrived in Fiji shortly
before this date.
In reply to your letter of the 25th Nov.,
I have the honor to inform you, that as in the Victorian clime we cannot grow bananas
remuneratively, no original observations on the banana-disease are extant here. It
seems however, that the disease in Fiji is similar to that, investigated by Dr. Joseph
Bancroft in Brisbane so carefully,
where a very minute parasite, an Anguillula, attacks the banana-plants, particularly
their roots. Dr. Bancroft advises soap-water, also tobacco infusion or decoction of
tobacco leaf fresh, or carbolic acid water as remedies. When ever the roots of the
bananas show signs of disease, the ground should be soaked with one or the other of
the liquids mentioned and the plants repeatedly syringed with these liquids; and if
this fails as well as such other treatments as with a decoction of the leaves of the
Agave (American Aloe) or with strong liquids from wood-ashes, the soil should be ploughed
up, left for a while fallow, and then some other culture plant, now
harboring Anguillula parasites be resorted to for a while. Then planting should subsequently
be done from unaffected localities, of which there must be many in the Fiji Group.
2
Letter not found.
3
See Queensland Government (1876).
4
not?
It would be of interest to learn, whether the Fijians had to cope with the banana-disease
already prior to European Colonisation.
I am, Sir, very obediently yours
Ferd. Von Mueller.
Some Bisulphide of Carbon might also experimentally be instilled into the ground of
diseased banana plantations.
5
Bancroft's work and M's 'judicious advice' were the focus of advice furnished to the
Colonial Office by W. Thiselton-Dyer in November 1890 (see Kew Bulletin, no. 48 [December 1890], pp. 272-3), with a further, confirmatory report in ibid., no. 62 (February 1892), pp. 48-9, citing work by the NSW Plant Pathologist, N.
A. Cobb.