Page 50 - Tạp chí bonsai cây cảnh BCI 2015Q2
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Top left;  David then removes                                     Separating the Live End
        extra deadwood with a root                                          Using a reciprocating saw and jigsaw, David care-
        cutter. To create flexibility in                                  fully separated the live end from the deadwood on
        the branch, it is necessary to
        hollow out the wood inside of                                     the trunk. A watchful eye was kept on the protruding
        the branch while leaving the                                      side of the blade to ensure that the cut was only made
        cambium untouched.                                                through the deadwood and not through the live end.
        Middle to bottom; Heavy                                           With the saw, he continued to follow the movement of
        gauge wire is used to provide                                     the live end along the trunk with the saw. He switched
        additional support along the                                      between the reciprocating saw and jigsaw as the an-
        length of the hollowed out
        portion of the branch. Using                                      gle on the cut changed. He stopped once he reached
        a drill, David creates a slot big                                 the point where he felt the bend could be made with
        enough for a 7 mm wire.                                           minimal stress to the tree. David then removed extra
                                                                          deadwood with a root cutter. Afterwards, he placed a
                                                                          wedge between the separated live end and the trunk
                                                                          to create space in order to begin hollowing the branch.
                                                                          Hollowing the Branch
                                                                            Bending the branch at this point would still be close
                                                                          to impossible. To create flexibility in the branch, it
                                                                          was necessary to hollow out the wood inside of the
                                                                          branch while leaving the cambium untouched. Using
                                                                          a grinder and specialized bit, David began hollowing
                                                                          out the inside of the branch taking care not to hol-
                                                                          low too far as to damage the cambium. By doing so,
                                                                          the branch thickness would be reduced resulting in
                                                                          more flexibility. This would allow him to maneuver
                                                                          the branch more easily.
                                                                            Although the branch could be bent at this point,
                                                                          David indicated that the branch required additional
                                                                          support to prevent it from breaking. Heavy gauge wire
                                                                          would be used to provide additional support along
                                                                          the length of the hollowed out portion of the branch.
                                                                          Using a drill, David created a slot big enough for a 7
                                                                          mm wire. A wire was then inserted at the junction of
                                                                          the branch. The wire was then run along the inside
                                                                          of the entire branch. While the wire was secured in
                                                                          place, raffia and grafting tape were both prepared for
                                                                          the next step.










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