. Manual of fruit insects. ydrometer and dilute for useaccording to the following table : DILUTIONS FOR DORMANT AND SUMMER SPRAYINGWITH LIME-SULFUR MIXTURES Amount of Dilution Number of Gallons of Water to One Gallon op Reading on Hydrometer Lime-sulfur Solution For San Jos6scale For blister-mite For summer spraj-ing of apples Degrees Beaume 35 9 121 45 34 8i 12 43i 33 8i lU 4U 32 8 11 40 31 7h lOi 371 30 71 10 36i 29 61 9i 34i 28 61 9 323 27 G Sh 31 26 5f 8 29i 25 5\ 7i 2 27f 24 5 7 26 23 ^ 61 24i 22 4i 6 22f 21 31 O2 2U 20 Si 5 191 19 3i 4f 18^ 18 3 4i 17 17 2f 4 16 16 2h 3i 15 15 2{ 3^ 14 1
. Manual of fruit insects. ydrometer and dilute for useaccording to the following table : DILUTIONS FOR DORMANT AND SUMMER SPRAYINGWITH LIME-SULFUR MIXTURES Amount of Dilution Number of Gallons of Water to One Gallon op Reading on Hydrometer Lime-sulfur Solution For San Jos6scale For blister-mite For summer spraj-ing of apples Degrees Beaume 35 9 121 45 34 8i 12 43i 33 8i lU 4U 32 8 11 40 31 7h lOi 371 30 71 10 36i 29 61 9i 34i 28 61 9 323 27 G Sh 31 26 5f 8 29i 25 5\ 7i 2 27f 24 5 7 26 23 ^ 61 24i 22 4i 6 22f 21 31 O2 2U 20 Si 5 191 19 3i 4f 18^ 18 3 4i 17 17 2f 4 16 16 2h 3i 15 15 2{ 3^ 14 14 2 3 12a 484 FRUIT INSECTS An older formula and the one most widely used in the past isgiven below. This does not give a concentrated wash but themixture is applied at the original strength without dilution. Homemade lime-sulfur. Quicklime 20 pounds Sulfur (flour or flowers) 15 pounds Water 50 gallons The lime and sulfur must be thoroughly boiled. An iron kettlemay be used for this purpose, or the mixture may be cooked in. Pio. .396. — A plant for cooking linip-siilfiir solution. barrels ])y forcing live steam into it through a pipe or rubberhose (Fig. 396). Place the lime in the kettle or barrel and add INSECTICIDES 485 hot water gradually in sufficient quantity to produce the mostrapid slaking of the lime. If too much water is added at first,it drowns the lime and slaking takes place very the lime begins to slake add the sulfur and stir it in thor-oughly. When the slaking is completed add more water andboil the mixture about one hour. As the lime and sulfur gointo solution a rich orange-red or olive-green color will appear,depending on the kind of lime used. After boiling one houradd water to the required amount and strain into the spraytank. This wash is most effective when applied warm, but maybe used cold. Owing to the excess of lime used a solution made by the abovemethod will contain a large quantity of sediment. As this sedi-ment is liable to clog the noz
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbenefic, bookyear1915
