White Bluffs spokesman. [volume] (White Bluffs, Wash.) 1907-1938, 1932-01-21
Hort. Schools
Were We'll
Attended
COUNTY AGENT DURDLE REVIEWS
SUBJECTS DISCUSSED AND
INFORMATION GAINED

tended than for several years. We
were very sorry that it was not pos
sible to have Mr.. Spuler at these
perience and information on the cod
ling moth problem as he has worked
on it in the Wenatchee area. We
feel, however, that Mr.. Bregger COW
cred the work quite satisfactorily from
the standpoint of one who had to pick
up the work second hand
Information in the way of mimeo-
graphed material including charts and
statistical information on other phases
of the work were available for those
who attended the school. Much of the
material presented required rather
careful study and for this reason the
material was made available for those
attending in the form mentioned.
number of very favorable comments
were received upon the general pro-
gram covered this year.
A brief resume of the main topics
covered follows:
A successful and economical codling
moth program must include the use
of moth traps and careful follow-up
of the information thus gained and
check Of this wherever it is possible
against moth trap information for the
general area. The spray program then
should be based upon this information
OF utmost Importance is the control
of the first brood with an earnest
effort to prevent single worm getting
to the fruit. The entry of but a small
number of worms per tree will be
responsible for real problem for the
second brood. The use of oil with
the lead timed so as to be applied on
top of the eggs and yet at time
when one will be able to cover all eggs
before Matching, is important. Those
whose spray equipment will allow them
J. to cover the orchard in not to exceed
four days time providing careful con-
troll has been secured should be able
to eliminate several sprays through
program such as outlined above and
thus actually save money on the spray
program. We have men in the coun-
ty who have carried out just such
program as this at saving. Treated
bands where infestation is above five
per cent at harvest time should be,
a good investment for the following
year Tree trunks must be carefully
scraped before bands are applied. These
treated bands from observation made
last year, seem to be somewhat effect
i've in red spider control. From infor-
nation available the band can be
purchased as cheaply as it can be
made. Information as to proper COM
bination of various leads with spreader
will be made public through the. local
press as soon as the state association
report is made available.
One of the foremost fundamentals
to be considered in tree pruning is the
fact that the pruning and fertilization
must be considered together and that
the amount of twig and spur growth is
the key as to how much of either
should be done. If our trees have
been pruned so that they are thinned
out enough to allow plenty of light
into the tree, and we are not getting
close to three quarters of an inch of
growth on the spur or to 10 inches
of terminal twig growth then our tree
needs fertilization. If, however, our
tree is heavily spurred up and has
not been properly Trimmed out and
growth is too short, the situation may
be corrected by pruning alone. Trees
when they become older have marked
tendency to produce an abundance Of
starch and unless trees are kept prop
erly fertilized and properly pruned they
become over balanced, with this starch
supply and we do not have enough
nitrogen present to promote growth or
even produce proper set of fruit in
extreme cases. BY reducing the num-
Der Of leaves through thinning out
of the top to the proper degree we
cut down on the starch production
which has the same effect in linn
tied way as increasing the amount OF
nitrogen available.
Fertilization of fruit trees, particu-
larly is so closely tied up with pruning
that, as we pointed out In the above
paragraph, that it must be considered
together. The fertilization of any or
chard is pretty largely an individual
problem with each orchard There are
probably few orchards in the county
which have had a surplus of nitrogen
through the application of CONNER
cial fertilizer or through the working
in of excessive amounts of good leg
luminous cover crop. Whenever we
have too strong a tendency IN the
tree to produce excessive spur growth
or too many water sprouts in the tree
that is not opened up too much in the
particular way may conclude that steps
(p1ooco fI1rY1 RI mage d.