Horticulture, a text book for high schools and normals, including plant propagation; . particularly those affected with blight or, in thecase of stone fruits, that are affected with brown rot. The Sprajring Campaign in the Apple Orchard.—The campaignhere described applies not only to apples, but to all core fruits,including apples, pears and quinces. In orchards affected with San Jose scale two winter sprayingsare sometimes necessary. The first is with miscible oil applied inearly winter. This loosens the scales and penetrates well into therough bark. Late in winter, after the winter pruning i
Horticulture, a text book for high schools and normals, including plant propagation; . particularly those affected with blight or, in thecase of stone fruits, that are affected with brown rot. The Sprajring Campaign in the Apple Orchard.—The campaignhere described applies not only to apples, but to all core fruits,including apples, pears and quinces. In orchards affected with San Jose scale two winter sprayingsare sometimes necessary. The first is with miscible oil applied inearly winter. This loosens the scales and penetrates well into therough bark. Late in winter, after the winter pruning is over a strong spray 334 WORK BY SEASONS of lime-sulfur solution is made to thoroughly clean up the trees ofSan Jose scale and spores of scab, rot and rust. If the trees are not affected with San Jose scale the winter spray-ing with lime-sulfur for the three classes of diseases mentioned isadvisable. In its place, however, copper sulfate could be is not common, however, to find orchards not somewhat affectedwith the scale. The lime-sulfur spray is a very good Fig. 238.—Four types of pruning saws. C, d, swivel bladed saws for use in clcse places;h, 5-point solid blade was for very large limbs; a, double edge saw often sold, but it may aomuch damage. (Nebraska Station.) 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 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. This is three pounds paste arsenate of lead in 50 gallonssummer lime-sulfur. The poison is for the codling moth whichenters throug
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectgardeni, bookyear1922
