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Appendix

SPRAYING MIXTURES

FOR BITING INSECTS

Dry Paris Green 

Wet Paris Green 

Paris green

1 lb.

   Paris green

¼ to 2 lb.

Lime or flour

4 to 16 lb.

   Lime

¼ to ½ lb.

 

 

   Water

50 gal.

FOR SOFT-BODIED SUCKING INSECTS 

Kerosene Emulsion 

Hard soap (in fine shavings)

½ lb.

Soft water

1 gal.

Kerosene

2 gal.

Dissolve soap in boiling water, add kerosene to the hot water, churn with spraying pump for at least ten minutes, until the mixture changes to a creamy, then to a soft, butterlike, mass. This gives three gallons of 66-per-cent oil emulsion, which may be diluted to the strength desired. To get 15-per-cent oil emulsion add ten and one-half gallons of water.

FOR FUNGOUS DISEASES 

Copper Sulphate 

Copper sulphate

1 lb.

Water

18 to 25 gal.

Use only before foliage opens, to kill wintering spores. 

Bordeaux Mixture 

Copper sulphate (bluestone)

4 to 5 lb.

Lime (good, unslaked)

5 to 6 lb.

Water

50 gal.

 

Dissolve the copper sulphate (bluestone) in twenty-five gallons of water. Slake the lime slowly so as to get a smooth, thick cream. Never cover the lime with too much water. After thorough slaking add twenty-five gallons of water. When the lime and the bluestone have dissolved, pour the two liquids into a third vessel. Be sure that each stream mixes with the other before either enters the vessel. Strain through a coarse cloth.

Mix fresh for each time. Use for molds and fungi generally. Apply in fine spray with a good nozzle. 

Bordeaux-paris-green Mixture 

Ordinary Bordeaux mixture

50 gal.

Paris green

4 oz. to 2 lb.

Use for both fungi and insects on apple, potato, etc. 

Bordeaux-Arsenate-of-Lead Mixture 

Ordinary Bordeaux mixture

50 gal.

Arsenate of lead

2 to 3 lb.

Used for fungous and insect enemies of the potato, and of the apple when bitter rot is troublesome. 

Commercial Lime-Sulphur Arsenate of Lead 

Commercial lime-sulphur

1½ gal.

Arsenate of lead

2 to 3 lb.

Water

50 gal.

Use for spraying apples. 

Ammoniacal Copper Carbonate 

Copper carbonate

5 oz.

Ammonia (26° Baumé)

about 3 pt.

Water

50 gal.

Dissolve the copper carbonate in the smallest possible amount of ammonia. This solution may be kept in stock and diluted to the proper strength as needed.

Use this instead of the Bordeaux mixture after the fruit has reached half or two thirds of the mature size. It leaves no spots as does the lime-sulphur wash or the Bordeaux mixture.

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Appendix
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