The Hood River glacier. (Hood River, Or.) 1889-1933, 1918-02-28

producing more spores and thus con-
/ tinuing the spread of the disease. If
the foliage is kept clean early in the
season little trouble will be encoun-
tered later if the regular spraying
/ practices are followed. If on the other
| hand, neglect or some other factor has
/ permitted the occurrence Of infection
/ on the foliage, even If this is appar-
entity only slight, control operations
for the remainder of the season are
severely handicapped. Such a condi-
/ tion existing, extreme care IN the ap-
/ pllcatlon Of the remaining sprays ac-
eompanied by some good fortune in the
way of weather conditions will only
make possible effective control. The
only way too fight apple scab is to get
the jump or it early in the season and
stay ahead of it with the spray wagon
until the spring rains are over.
The grower must often remind his
new men of the need of giving partic-
ular attention to spraying the tops of
| the trees. We have found in suppos-
edly we'll sprayed orchards that there
is definite progression in the degree
of scab infection from the ground to
the tops of the larger trees. On the
trees studied there occurred seven to
/ ten times as many scabby fruits be-
tween height Of l5 to Is feet AS
I there was between the ground and Is
feet. The failure to keep the tops
protected with spray is the only possi-
BILE explanation for the differences.
Theoretically, there should be much
more scab nearer the ground owing to
the proximity of the -winterng
spores being discharged from the fall
len foliage, and later in the season the
washing down Of myriads of summer
spores upon the lower foliage and
fruit
During the first few days at least,
and most Of the time if possible the
orchardist should watch and follow his
green crew No new man can be ex-
pected to begin and spray his trees
Thoroughly from the start. He will
not do it regardless Of the fact that he
is expected to. The chances are 100 to
that during his early endeavors the
work is extremely poor. You must re-
member that he must go through the
agonies resulting from the presence of
lime-sulphur in his eyes not once but
many times before he learns how to
avoid it. Though he gamely stays
with the rod he is unable to see just
what he is doing The orehardist
should be on hand, pointing out over
CDked hmbs, see to it that the rod
men turn over their nozzles in order
to cover the under surfaces Of the
leaves in fact there are dozens Of
j little points that are entirely unknown
to the new man who will not find them
out for days if left alone and all at
your expense. The early sprays are
more important than the later ones
usually, so make your crew veteran
one Just as soon as possible.
Very rAently there has appeared or
the market spray guns to be placed on
the spray machinery now IN use. In
some localities these have been rather
extensively advertised, and the grow.
ers have naturally become much inter
ested. The writer feels, however, ir
the face of almost entire lack of an
experimental proof as to their worth
that these manufacturers are hardly
justified in carrying on this intensive
propaganda. II is almost impossible
to believe that the present system OF
spraying, the product of years of eX
perimentatlon and experience, could bt
effectively revoutionzed by the sim
, Pile introduction of this spray gun.
Perhaps the writer is underestimat
i ing the value of this apparatus, but
, nevertheless, he cannot help but fee