. Horticulture; a text book for high schools and normals, including plant propagation; plant breeding; gardening; orcharding; small fruit growing; forestry; beautifying home grounds; the soils and enemies involved. As the buds begin to swell, and before they show any color ofgreen or white bloom, it is usually necessary to spray with poisonto fight the bud worm. This may be added to a weaker. solutionof lime-sulfur to continue the fight against fungous diseasesand San Jose scale. This spraying as the buds burst sometimesconsists of arsenate of lead combined with Bordeaux mixture. If atthis tim
. Horticulture; a text book for high schools and normals, including plant propagation; plant breeding; gardening; orcharding; small fruit growing; forestry; beautifying home grounds; the soils and enemies involved. As the buds begin to swell, and before they show any color ofgreen or white bloom, it is usually necessary to spray with poisonto fight the bud worm. This may be added to a weaker. solutionof lime-sulfur to continue the fight against fungous diseasesand San Jose scale. This spraying as the buds burst sometimesconsists of arsenate of lead combined with Bordeaux mixture. If atthis time the buds are attacked by plant lice, the lime-sulfur willhelp to control this pest also. THE SPRAYING CAMPAIGN 335 The next spraying should follow immediately after the petalsfall from the blossoms. This should consist of arsenate of leadcombined with Bordeaux mixture. The poison is to combat thecodling moth which enters through the calyx cup of the Bordeaux mixture is to combat scab, rot and rust diseases. These same spray materials should be applied again in aboutten days or two weeks. In special cases a third spraying with thismaterial ten days or two weeks after the last may be made. Spray -. Fig. 239.—Ijarge shears, e, will hasten the pruning work; hand shears, /, are necessaryfor small trees and twigs. The hole pruner, y, aids in the high tops. The heavy pruningknife with hooked blade is used on small limbs and for smoothing the saw work. (NebraskaStation.) ing later than this will not be necessary except where bitter rotis likely to attack the crop. In that case a summer campaign maybe necessary, spraying every two or three weeks according to thefrequency of rainfall. This would be practiced only in specialcases, and should be considered somewhat experimental. Thematerial recommended is Bordeaux mixture made with fourpounds of copper sulfate to six pounds fresh unslaked lime in 50gallons of water. 336 WORK BY SEASONS Spraying Campaign for Stone Fruits.—Th
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