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CODLIN MOTH EXTERMINATION.

A SIMPLE METHOD

The following le'ter showing a simple method of kill ng codlin moths appeared in an Exchange, was sent to us for publication. Mr W. J. Courtier speak ng to US on the subject considered this math'd absolutely ineffective, but if it entails tbe death of 1100 mob.3 in a season, it is worth trying as it exceedingly simple. "Il'ie simp'y impossible to got rid of the oodlin moth by aoraying Eaoh eodlin moth lkjl tt least a 100 eggs, and lays singly on tie young apples en 1 pears. The eggs are very thin and ninot diflicu't to detect. They re embln thin, circular flake:; ol mot. Th< Ta*n anian authorities recommend threi ipra. ingß—fi'st, us so>n as trie jetals fah (late in Outobar or early in November), once in December, and ouee in January. New Zealand bio'ojtate rscommml spraying first •s soon ai ihn»flower petal fall, and then i«ry three we'ks us long as the mo.hs keep laying. Ihi. i| a job J have never eprayea rfjy tree 3 for codlin moth, and I mver have more than one per cant, of apples aSected. But Igo for the oodlin moth itself. I planted a young orchard of 30 apple trees and 6 pear trees eight" years ago, and for several seasons I hfti no codlin moth; but when I gathered my apple orop in 1912 ahout ha!f,the crop was destroyed by ibe codlin moth. I tbeD heard from a lady friend of a method o! kilting the moth. Thi* lady told me thai ghe never bad any eodlin moth at all, al* though her next nei, out.- apples, were naa ly w» . it e/ery year. The method is aa followi: -Put a large kitchen Üblespoonful o( black treacle into a jug; pour a quart of boiling water upon it, and Jtif till the. treacle ib thoroughly dissolved ; add three quarters of a tablespoonful of vinegar (either brown or white). .Then gtt as many ordi ary puke bottles as you re§iire —one to a sroa-i tree, two or three to a large tree, fill each bottle one-third full of ths mixture, and ban? up one bottle or more in fftih trees. As soon as tbe bottles get erowued empty them out, bury the dead flee and moths, renew the mixture and replace t&e Many of the bottles will soon hold a solid muss of flies and moths. I think most of the flies are oan ion flies, but 1 do not think I ever found a full grown blowfly in any of the bottles The codlin moths are easily distinguishable, as they ere Of a very light brown colour and about | of an inoh in length when the winge are closed. The codlin mbtbe form only about 5 per o :nt. of the whole catch. > one.i atd bumble bees never enter kitbb bottles, but when botflies abound you Will find many in the' bottles. I have hung bottlei up in' the kitchen window ■ad near the safe, but the oommon house fly never enters the bottles, bo far aa I have noticed. My apple crop in 1913 had only about 1 per cent damaged by codlin moth. I had to empty the bottles, rin c them, and replenish them twice during the ■aaeon. As I emptied eaoh bottle I examined I it oarefully and made a rough guess as to how man 9 oodlin moths it contained. 1 reckon I killed over 1100 codlin moths last se , eon. The eeason before I was not so caretur in estimating thum, but I think there werbetween one and two thousand. I hope yo will go to work systematically and esi.mat' the number of moths y< v kill each season and the percentage of apples attacked by the moth. Mr Adims goes on to describle hirmethod of hanging the bottles on • S" books of wire, and adds ! *I use a 2-quait enamel jug to majkethe mixture in, and I have » small jar that just huld-j two lavgitablespoon'uis of treacle " v ',-•'!

This rete'pe appeared originally in tie American "May Fluwer" many years ago,

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Permanent link to this item

http://paperspast.natlib.govt.nz/newspapers/AMBPA19141028.2.4

Bibliographic details

CODLIN MOTH EXTERMINATION., Akaroa Mail and Banks Peninsula Advertiser, Volume LXXIII, Issue 3448, 28 October 1914

Word Count
685

CODLIN MOTH EXTERMINATION. Akaroa Mail and Banks Peninsula Advertiser, Volume LXXIII, Issue 3448, 28 October 1914

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