1 Pep, 1900.] QUEENSLAND AGRICULTURAL JOURNAL. 119 
Mantity of insect and fungus pests in these Gardens, which can only be 
,pbreciated by a person who has seen them from day to day and observed 
em critically :— 
Botanie Gardens, 
Brisbane, 12-83-95. 
MEMO. OF INSECT AND FUNGUS REMEDIES. 
Hess 1, Kerosene Emulsion.—2 quarts soft soap, 1 gallon rain water, 2 gallons 
ane. Boil soap and water, then add to kerosene. Pump with syringe 
“zie under water) until mixture forms a kind of cream. When about to 
ah add 27 gallons rain water. Spray finely, wetting every part —For scale. 
wa 2. Resin Wash.—5 lb. caustic soda, 15 lb. resin. Mix; cover in boiler with 
ae boil 8 hours. Dilute by degrees to 100 gallons. Strain through canvas. 
Pray finely ; wet every part.—T’or scale. 
3. London Purple.—1 1b London Purple. Thoroughly grind fine. Mix 
100 gallons water ; keep stirred ; spray well.—For caterpillars, aphis, &c. 
wall 4. Bordeaux Mixture.—Mix 6 lb. bluestone (sulphate of copper) in 40 
F ees water. Mix 4 lb. fresh slaked lime in 6 gallons water When cool, 
cone. pour lime mixture through piece of canvas into bluestone mixture ; stir 
“antly ; Spray.—For fungus, lichens, &c. 
hot 2: Hau Celeste—Mix 1 1b. bluestone (aulphate of copper) in 2 gallons 
' Water. When cool, add 14 pints commercial ammonia (strength, 22 degrees 
Vor fo: keep tightly corked. When using, add 20 gallons water; spray.— 
ungus, lichens, &c. 
Thi n the case of plants with tender foliage further dilution may be necessary. 
*must be decided at the time of using. 
the ecently I have been endeavouring to solye the problem of spraying. 
chi naa! high trees which are to be found in the Gardens. These are 
PHY infested with the Pink Waxy Scale, the well-known Oergplastes 
imi fs Personally I am not of the opinion that this scale will ever prove such 
the plarious pest as some of the scales undoubtedly are to the gardener, but at 
- est it is ugly, and must, of course, largely interfere with the growth of 
Mint upon which it places its affections, and it is as well to fight it earnestly. 
illust © No. 2 above, we have always found to be the best for this scale. The 
; 7 tation will show how we are arranging to lift the point of the hose into the 
ther _p os 12 Such a manner as to wet every part of the foliage. The idea is 
nt °r an immense fishing-rod balanced across a fulerum in such a way that the 
on the ground may swing the top about with the greatest ease into the 
position required. ; 
of th, € illustration shows our first trial in which the wagon used for the repair 
Bitch. tram-cables was made use of, but now a light pine pole 20 feet high and 
cart &8 square at the base, slightly tapering to the top, is stepped into an ordinary 
of 4) and kept upright by means of guys fastened to the cart itself. To the top 
« fishin Pole is secured a pulley, and by means of this a long bamboo pole or 
any diene ’ is run up with the hose attached. It is easily swung round in 
Of ay ection, and can with the greatest ease be guided to within half-an-inch 
Small object in the top of a tree up to 50 or 60 feet high. 
alterna "€ pump used is the Doncaster spray pump. It requires a trifling 
tion to fit it for this work. 
Dower “ve reported to the Department on the possibility of spraying by steam- 
tion of 41 which I am agreat believer. I am fully of the belief that the applica- 
With this means of raising the nozzles into the required positions, combined 
‘team-power for forcing the spray, will solve the difficulty of spraying 
ettec 
other ey the very largest trees, and those most difficult to be reached by any 
eans, 
teat Doneaster pump, by means of an attachment, distributes the kerosene 
Work with the water straight from the tin without any previous mixing. It 
eating yd but demands much care and a knowledge of the trees you are 
5S With, 
