INSECTICIDES.

Wairarapa Daily Times, Volume XIII, Issue 4269, 15 November 1892, Page 3

INSECTICIDES.

[rnOM THE NEPEAN TIMES.]

Resin and Soda Mixture.—Take fib resin and 6oz washing soda, add 2qts of water, boil, stir well, and slowly, add water to make up dgals, boiling all the time. Boil for at least one hour, better two hours. Then all the resin will be dissolved. If constantly stirred this wash will not injure any fruit tree, and is a very cheap wash. It will kill peach aphis, orange or lemon aphis, Maori, or orange mite, pear mite, and thrip for scale insects. Make twice the strength and a gallon of kerosene properly emulsified should be added to every 40gals, this will kill white, brown, or glour scale on orange, The cost of resin and soda work will not exceed |d a gallon. Kerosene Emulsion.—Take 1 qrt kerosene, 1 qrt boiling water, 2oz of soft-soap, dissolve the soft-soap in boiling water, add the kerosene and churn with the pump for six minutes, and add water to make 5 gal. This will do no harm to any tree except a peach, for which the strongest advisable is 1 part kerosene to 30. This is a very efficacious remedy for all scale insects. It may be used on the orange as strong as 1 in 15 without injury. It will also destroy woolly aphis or peach aphis or any insect it touches. If their skin is not too tough this wash may bo used alone or with the resin wash, or flour and starch boiled to a paste and strained and added will increase its effects by making it more adhesive and tbereiore more last ing. Use Triple Cyclone, vermorel, or Dixon's finest nozzle,

Bordeaux Mixture,—Take ljlb of blaestono, lib lime to 5 gal.f of water, dissolve the Milestone in one bucket mono gallon of hot water, slack the limoin another bucket; when cool add the two together, strain, and add water to make up 5 gals,; keep the mixture thoroughly stirred and apply, This mixture is a reliable fungicide, It will not injuro any fruit tree; it will eradicate pear scab, apple scab, shot hole, fungus in the apricot, black spot on the grape, bitter rot on llio applo j it will take off mosses or lichens on the stems or branches of fruit trees, for which lime alone is Rood. For scab and shot hole fungus it should bo applied when the buds are swelling, andas;ain when the trees are halMcafod, but juat as soon as the petals are off the flowers for black spots it may be applied up to within eix weeks of using the fruit, or oven later; if a final wash of ammonia carbonate of copper. This wash will take off all stains made by the Bordeaux mixture. It is very cheap, blueslone is only 3d per lb, and lime very cheap. Tho cost of this mixture will not be more than Id per gallon. The mixture must be constantly atirred. While using, use the coarse nozzle, as the finer oneß require great prcssuro 'to get the mixture through, This mixture is considered a specific in the case of potato disease. Paris Green.—Take half an ounoo of Paris green to 6gals. of water, mix the Paris green first with a little water in some small vessel, then mix it with sgals. of water/and apply. This mixture will kill all insects feeding on tho foliago or skin of the fruit. It is eaten by the insects, and does not act by actual contact the same as ,koro-> seno emulsion or resin aud soda wash, Some of the principal insects killed by Paris green are the Codlin moth, plant-eating beetles, caterpillars, weevils, pear slag, grass-hoppers, plant | eating lady bugs,' Psrj green is teat

applied with triple cyclone nozzle. Great care must be taken to keep the wash well stirred while using, otherwise d large portion of tbe poison will sink to the bottom, and will be too : strong, and do more bum than good. Always handle carefully, and never use ffloro than lib weight to 180 gals i of water, Paris green is a yery cheap and effective insecticide.