This section is from the book "Commercial Gardening Vol1", by John Weathers (the Editor). Also available from Amazon: Commercial Gardening, A Practical & Scientific Treatise For Market Gardeners.
Paraffin is used in a variety of ways, and is effective in keeping off attacks of leaf-miners, like the Parsnip and Celery Fly, and others, if applied before attack. It is also useful for aphides, caterpillars, slugs, etc. The following formulae will be found useful: -
I. Paraffin ..................2 gal.
Soft soap ... ... ... ... ... ... 1/2 lb.
Boiling water ... ... ... ... ... 1 gal.
II. Paraffin ...... ............ 1 pt.
Soft soap ... ...... ... ...... 1 qt.
Soft water ...... ......... 2 „
III. Paraffin ..................1 gal.
Soft soap..................1 1/2 lb.
Water .......... ................... ....10 gal.
In all cases dissolve soft soap first, and then add the paraffin and stir well. A very simple paraffin remedy is to add an eggcupful of paraffin and a handful of soft soap to a bucket of hot water, and churn well with the syringe, and apply in a fine spray over foliage.
 
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