The Dolores star., 1920-12-24


free surgery is comparatively sim.
and inexpensive and most persons
u with little preliminary practice,
sierake the simpler types of tree
EAr work that will prove immense.
profitable in saving fine trees. A
" fundamental principles must he
served to secure permanently good
suits
o. Remove the dead. decayed, dis
eed or injured wood or bark. When
o. limb this can often be done best
removing the entire limb; on II
Lre limb or on the trunk 1t may
sn at times digging out the decayed
afer so that n cavity is formed.
~ Sterilizc all cut surfaces.
81 Waterproof all cut surfaces.
III Leave the work in the most IA
Fuable condition for rapid healing !;
hk will often mean filling or cover
}; deep cavities.
~ Watch the work from year to
Eer for defects and If any appear at
srd to them Immediately.
Removing Large Limbs.
4 large limb rarely should be re-
fged by single saw cut from the
|Tper side. rs this usually strips the
fafs and wood as it falls. A prelm-
Fny cut should be made from the un-
" side, beyond the point for the
Fla cut; and II second cut on the up
Fe side an inch or more beyond the
tN one, Then cut the stub close to
'he trunk. \ coat of good shellac
sould be applied over the entire area
y The bark, outer sapwood. and the
fmhlum Immediately.
cFeosote should be applied to the
PSI Of the exposed wood not already
o'ered by the shellac as protec-
on and the entire shellacked and
fe0soted surface should be finally wa
'proofed with thick coal tar or as
haii. Grating wax, particularly the
les liquid alcoholic kind, is excel
Mt for waterproofing small surfaces.
io'her good method of treating the
ars is to char the surface with n
sOIne or alcohol blast torch and
eT quickly cover the hot surface
th heavy tar, pitch, or hot asphalt.
le treated surfaces should be
iched from year to year and recoat-
as necessary to preserve the wa
prooiing.
In removing small branches and
rs the cut should be made rs close
the supporting branch as possible,
as to leave no projecting stub. The
ming wound must be sterilized and
For very small wounds
pllac is handy.
When wound has been allowed to
main untreated for q year or more.
organisms are almost
rain 10 have started an area of de-
= and insect activity behind the eX-
Sed surface. Such regions gem
ally require excavation of decayed
ID diseased wood and sterilizing and
lt"rprooiing of the cut surfaces.
The tools ordinarily required are
10 outside ground sockct-handled
'rgeS tone three-fourths of an inch
ID the other ~ inches), IA knife,
allet or hammer, and an oil
one. Only keen edges should be
'ed on the bark or near the cam
um.
Remove Diseased Wood.
Remove all the diseased or insect
lten or water-soaked wood. In dis
'sed areas of many years standing
lere may be only a thin shell of
taIthy wood around the cavity, In
hlch case the tree must be braced
gnyed. and 1t is often better re-
loved and replaced by healthy one.
DO not leave a cavity so 1t will re-
''h water. aln shaping cavity that
10 be filed with cement, etc, have
'e sides undercut, if possible, so rs
hoid the filling more firmly in place,
'roiled bark mt the edges of the open
W should be cut away after the de-
"'eu and diseased matter has been
',hp'etely eNcnvated and the edges OF
'" sapwood and bark adjoining the
shellacked. The remainder
, 'he cavity also must be sterilized
''soSote Is recommended. over this
neaNy waterproof covering should
'e applied.
nHniis the cavity Is of much less i'm
Often n cavity is better lef
,n"'ieu' A cavity must be watched
ao'u !, year to year and any tendenc.
!. :. me waterproofing to crack, split
= oils','r should Immediately be coun
.'ed w, by repainting.
j, "here sheet-metal covering is use,
sse as should be narrow half-incl
n ss y, oi bare wood around the edg
/. .h'ch the margin of the metnl cal
nu,. N Mc*ed. The cavity must be thor
''' sterllized and waterproofed