CHE REFERENCE LIBRARY - Pole Shift Survival Information

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PROPAGATION BY BUDDING AND GRAFI‘ING 157
In time, the oltl stu\j becomes
lwrmeticall~ scaled 1,>* the reparative
tissue. I$r* 183
shows a sectiou of an apple
graft nearl)V fifQ* years old.
The original stub, :hout an
i11c11 in diameter, is still seen in the
center, the end of it eutirely free from
the inclosing tissue. It is a dead piece of
preserved the
heart of the tree. The depth of the old
cleft or split is traced in the heavily
i
shaded part of this
central core. When
this section was
made, the cores of
FIG. lS.7. Section of old
cleft-graft on npplo tree.
i ‘ion Itas outgrow-n the stoc-k.
still found in the
cleft and the graftiug-wax
-- faith- Fro. 182. The stub
fully laid 011 a half i& Y~J S~;f;o;~~I ikz I
century sgo --- still c&&ze Si(jL.
adhered to the
g,pI>= cud of t.he stub, underneath the mass
of tissue that had piled itself over
the old wound.
Other PiS4S of the deft-grcrft.
Cleft-graft& is put to various other uses than the topgrafting
of old trees. It is ill common use on soft and fleshy
stocks, as cactuses, and various fleshy r0ot.s. Fig. 184 shows a
cleft--graft on cachs. The cion is held in place with a pin or
cactus spine, and it. is tL p.1 bound with raffia or other cord.
Waxing is not necessary.
A similar graft is often made on peony roots. The cleft in the