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Self-Boiled Lime-Sulphur Mixture as a Promising Fungicide
Excerpt from Self-Boiled Lime-Sulphur Mixture as a Promising Fungicide
Should the boiling be very prolonged the mixture might become caustic enough to burn foliage, although no such injury developed in the experiments. If it should be found in practice that the use of hot water dissolves too much sulphur, so that the foliage is injured, cold water may be substituted and a less intense heat thus developed, or the sulphur can be withheld until the lime has partly slaked, thus regulating the amount of sulphur dissolved. By this boiling process the sulphur is put in good mechanical con dition for spraying, and enough of it is dissolved to make the mix ture adhesive. As a large percentage of the sulphur is simply held in mechanical mixture with the lime water, it is necessary that the spraying outfit be provided with a. Good agitator, so that the mixture may be kept constantly stirred, and settling be thus avoided. In the treatment of apple trees, Paris green may be added for the con trol of the codling moth in the same manner as when Bordeaux mix ture is used.
Should the boiling be very prolonged the mixture might become caustic enough to burn foliage, although no such injury developed in the experiments. If it should be found in practice that the use of hot water dissolves too much sulphur, so that the foliage is injured, cold water may be substituted and a less intense heat thus developed, or the sulphur can be withheld until the lime has partly slaked, thus regulating the amount of sulphur dissolved. By this boiling process the sulphur is put in good mechanical con dition for spraying, and enough of it is dissolved to make the mix ture adhesive. As a large percentage of the sulphur is simply held in mechanical mixture with the lime water, it is necessary that the spraying outfit be provided with a. Good agitator, so that the mixture may be kept constantly stirred, and settling be thus avoided. In the treatment of apple trees, Paris green may be added for the con trol of the codling moth in the same manner as when Bordeaux mix ture is used.
22 pages, Paperback
Published January 1, 2024
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