Productive farming . e edges of ^^^^il=;:^^^y^BB| j>^* 1|^ the bark as shown at C. *? Insert the bud into its new home just under the bark asshown at D. The top of theshield must be as low as thetop of the T. Tie the barkdown tightly over the edges of[ YWl^MM i\^^t^^MMW^ the shield as at E; waxed\ \^^b( \j3^^^K^^wt* knitting cotton,, No. 18 or 20, may be used for this, as it willnot grow into the bark andstop circulation; raffia fiberis also good for this —Practice inBudding.—Twigs from willowtrees may be placed in water in a warm room in the winterand the bark well loosene
Productive farming . e edges of ^^^^il=;:^^^y^BB| j>^* 1|^ the bark as shown at C. *? Insert the bud into its new home just under the bark asshown at D. The top of theshield must be as low as thetop of the T. Tie the barkdown tightly over the edges of[ YWl^MM i\^^t^^MMW^ the shield as at E; waxed\ \^^b( \j3^^^K^^wt* knitting cotton,, No. 18 or 20, may be used for this, as it willnot grow into the bark andstop circulation; raffia fiberis also good for this —Practice inBudding.—Twigs from willowtrees may be placed in water in a warm room in the winterand the bark well loosened in a few days. Use these topractise the method of budding just described. Top=working of Trees.—Tree tops may be changed fromone variety to another. If an apple tree bears poor fruitit may be changed to bear good apples. This is done bytop-working, as it is called. Many branches are cut off thepoor tree, and in their places may be inserted new buds orgrafted new scions of the variety desired (Fig. 19). This. Fig. 19.—Cleft-grafting a fruit tree is severely cut back and goodscions are grafted on. The bojs are top-working the tree. PROPAGATION OF PLANTS WITHOUT SEEDS 39 work is often done in June with scions held dormant in thecellar; or it may be done in August with scions of the currentyears growth. Top-working is accompUshed by one of threemethods: budding, or tongue-grafting, or cleft-grafting. Thefirst two methods have been described. Cleft-grafting isnow less commonly used. (For a description of this methodreference is made to U. S. Farmers Bulletins 157 and 408.) Tip=layering.—This is the most common way of propa-gating black raspberries. The soil is cultivated at both sidesof the raspberry row, .and in late July or August the tips ofthe long canes, or stemS; are bent to the ground and slightlycovered with soil (Fig. 20a). They will send down roots and
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Keywords: ., bookcentury1900, bookdecade1910, bookidcu, booksubjectagriculture
