Payette enterprise. (Payette, Canyon Co., Idaho) 1909-1935, 1910-07-07
lconlInued from - -

rapidly growth takes place, the more
10 the disease favored Because il
Is the tissues Of the tree. external APP
plications such as spraying or fumi-
eating are worse than useless It's
minute size makes e difficult 70 fight.
II Is an intangible enemy. and
therefore a discOuraging one.
While the disease is more or less
partial 70 pears, h nevertheless
finds a very congenial feeding ground
IN certain varieties Of apples. partlcu-
larry the sDitzenbergs grown IN fay-
oFable conditions such as deep,
moist soil.
II a section Is 10 successfully com
bat the blight the fruit growers in.
teresfed should secure competent
man TO patrol the district, not mere
ly telling the owners Of stricken
trees and what 10 do, but giving
them his personal assistance in cutt-
Ing the trees. II Ia hard for man
10 cut deep enough on his own trees
for the same reason that Il is hard
for him to grade his own fruit The
disease Is a hard one TO control, but
thoroughness and cOuBtaney Of effort
viii control It. nevertheless
The orchards should be- inspected
BY the patrOlmcn during the warm
growing season twice a week Al
the first appearance Of anything
doubtful the limbs should be cut
OF from ~ to Is inches from the
diseased parts.
All tools used such as pruning
shears. saws and knives. should be
sterillzed before cutting into healthy
wood, with either a solution Of BIZ
Chord Of mercury ] 10 100. or a
seven TO five per cent solution Of
carbolc acid This Is absolutely nee
essary to prevent the spread Of the
disease from tree 10 tree One good
thorough cutting VIII not always be
sufficient. The injury must be
gone over repeatedly az In large
trees It Is impossible 10 see every
diseased part az one cutting II
the disease has secured q hold i'm
the trunks Of the trees It win be
necessary to cut out large chunks
Of bark By using knives chisels,
painting al exposed wood with some
good lead paint.
The disease makes IT'S appearance
usually In the tpos OF the trees or on
tender growing tops as dark patches
on the bark There is "deadenins'
or blackening OF pear leaves and
browning or soaring OF apple leaves
II looks very much as IT the tree had
been touched by fire, taking it's
name from the scorched wlthered
appearance The disease spreads
spasmodlcally, very rapidly for al
week or 10 days. then apparently
resting aud assembling force for am
other period of rapid spreading ll
10 not always possible to be sure Of
the disease without examining the
sap with a powerful mieros .ope; but
% Is always safe TO commence cutting
at once when wc discover black leav
- in pears. or brown leaves IN APP
pies
Sometimes Affects Sprouts.
California finds that sometimes
-ir, blight Is discovered OF the butt
III the tree whom the tops are ap-
parsntly perfectly healthy or only
slightly affected with the disease
Upon investigation &c was discovered
that the infection came through
me tender shoots at the bottom OF
he tree, oven leaf bud being cap.
able Of decelving the infection Pro.
lessor Il. q Smith. the author OF
he Bulletin, speaking of this deyel.
,pment OF fire blight in California.
adds
SO far as the usual form OF the
disease is concerned. beginning in
he top OF the trees with Infection
nosty through the blossoms our
growers have learned to handle it
With considerable success by the usu-
II methods where the work Is done
.areh1ly
Urges Cutting foe Disease.
Discussing fire blight n The En-
.yclopedia OF Agriculture Horny L.
lolley. tho wen known scientific eN-
,ert connected with the North Ia
,ota Agricultural college SAWS
In the case OF apple blight pear
light aud many OF the common fruit
diseases, persistent cutting back
4 the dlseas "a parts and burning Is
largely 70 reduce The dam
SO done by these very destructive
diseases. Indeed at present &c seems
he only effective means OF CON
rolling such diseases n these eases
'hich directly nfeets the inner tia s