The Hood River glacier. (Hood River, Or.) 1889-1933, 1910-06-09

was considerable divergence in the
conditions and the results IN the var
luus orchards and different sprays had
been used at different times but the
general result seemed to have been
that trees which had been sprayed
with the hme-sulphur solution during
or shortly before the two very hot
days last week had had the fruit
burned. The apples which were
effected were for the most part on the
south and west sides of the trees where
the sun would strike them.
After the various growers had given
reports on the conditions in their
orchards and their ideas Of the causes,
Dean Cordley was called upon and
he stated the results of his ohserva-
tons in the orchards. He was not able
to reach any definite conclusions as
yet but he warned the growers not to
arrive at too positive conclusion to
suddenly. The injury according to his
observation was sun SCald which
had been acCCntuated by the use Of the
lime sulphur spray. He stated that
IN several orchards where the lime
sulphur solution had not been used sun
scald was found but that it was un-
ioubedly worse where the spray had
been put on. The burn on the apples
is very hard to explain especially In
view of the fact that this is the first
case on record where the lime-Sulphm
mas ever been responsible for an in
jury to the fruit.
The injury is not at all serious in
any of the orchards as the per cent of
burned apples runs from less than one
to about two and a half where the
burn was greatest. AS the thinning is
now being done in the orchards the in
ured fruit will be removed and there
will be no actual damage result to
the growers. As one orchardist eX-
pressed it: Il do not think the burn
IS any financial damage and the trouble
is that it will make me thin my apples
better than usual | never like to thin
and do not do enough Of it but will
have to do it right this year,
Dean Cordley said that while there
was no real damage to result just
| now the circumstance was disquletlng
as an injury had been done by an agent
heretofore thought to have been harm
less. 1t will have a highly beneti-
cial result in that it will cause investi-
CATION to find out Just what conditions
were responsible for the burn and
under what conditions the results might
have been worse. The Bordeaux spray
which has been to great extent
succeeded by the lime-sulphur caused
an injury to the fruit and is used very
little any more as fungicide.
In none Of the orchards was the in
jury to the fruit nearly as great as
would have been caused by the use OF
| the old Bordeaux mixture.
In speaking generally of the spray
ing Dean Cordley noted that all spray
ing was undesirable and that all etfici-
ent sprays were more or less danger
Gus. In spraying for fungus, the OBJ.
ject is to kill one plant and at the
same time do no injury to the other
| and according to the o. A. G. expert {
fungicide should never be used unless
there was fungus to kill.
| The question comes up to the
orchardist when.he can get no fungi
eide which will not do some damage
whether he had better spray for fun
gus at all or not. When he de
cides to spray the next question II
what to spray with. So far, according
to Dean Cordley, damage had never
been noted from the use of lime-sul
phur but now the experts will have t
| get busy and find new spray whlcf
will kill the fungus and not hurt the
fruit or find out the exact conditions
under which lime-suphur is injurious
so that they may not occur again.
The possibility was noted that the
damage to the apples might have beer
the result of the acid in the arsenate
Of lead which was by many of the
orchardists combined with the lime-sul
phur spray. Dean COrdley will have
an analysis made of the ditferen
brands of lead at Corvallis this weel
so that it may be determined what
sort of a factor the arsenate was
Dean Cordley said that the rapl(
growth and development of the frui
this season had made it more tende
and susceptible to the injuries that |
is as a rule. The red varieties of apples
seemed to have received the wors
effects from the lme-sulphur while
the Newtowns and Ortleys had scarceI!
any burned apples where the.
had been sprayed under the sam'
conditions as had Baldwins, Spitzen
bergs and Black Twigs in the same
orchard which were damaged. Mos
of the orchardists reported that th'
Baldwin apples seemed to have beeI
damaged more than any of the othe
varieties.