. The pruning-book; a monograph of the pruning and training of plants as applied to American conditions. eans of a hoop. During the summer equalize thevigor between the ten shoots that have now been the third pruning, cut back each of the ten shoots totwelve inches from their base, to make them fork a secondtime. Incline the branches again, and equalize the spacesbetween them by means of two hoops, the uppermost beingthe larger. Treat the twenty shoots that have grown duringthe summer in the same manner as the previous ones. Atthe fourth pruning, suppress only the third of the leng
. The pruning-book; a monograph of the pruning and training of plants as applied to American conditions. eans of a hoop. During the summer equalize thevigor between the ten shoots that have now been the third pruning, cut back each of the ten shoots totwelve inches from their base, to make them fork a secondtime. Incline the branches again, and equalize the spacesbetween them by means of two hoops, the uppermost beingthe larger. Treat the twenty shoots that have grown duringthe summer in the same manner as the previous ones. Atthe fourth pruning, suppress only the third of the length ofthe new branches, and again incline them downwards to anangle of about twenty degrees, then raise the ends of thebranches in a vertical position at about three feet from thestem, and keep them in that position by means of addi-X 370 SOME SPECIFIC MODES OF TRAINING tional hoops. During the summer allow only one terminalbud to develop. When the time arrives for the fifth opera-tion, cross the branches at the place of their second fork-ing, directing them alternately right and left, inclined to an. 238. Outline of pear trained in vase form. angle of thirty degrees. Fig. 239 shows the plan of a peartree trained in this form, and how the branches should becrossed. The new extensions, obtained during the previoussummer, must be left entire, and so on from year to year,until the tree has attained its proper size. The inclinedposition of the branches will cause them to put forth nu-merous shoots, each of which must be trained in a spiraldirection, to be arrested only when the tree attains a heightof about six or seven feet, when it will be fully formed,and resemble Fig. 238, VASE-FORM TREES 371 As the tree increases in height, each of the branchesmust be grafted together by approach [inarching] at each ofthe points where they cross. This will give great strength
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