Winter sanitation vital for Dutch elm disease
UNIVERSITY PARK -In sanitation projects - burning
dealing with the Dutch elm or peeling logs where elm
disease which has all but bark beetles may be living -
eliminated the American are recommended.
elm in many areas, Winter Such wintertime cleanup
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ERNEST SNOOK
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INTRODUCTORY
OFFER
The Quaker Stove is built to en
dure a lifetime. It is constructed of
iron and steel. The door, face plate
;e which the door hinges onto), and
ist iron. The Quaker Stove’s unique
bent body is made from a heavy plate steel. The
top surface is of a 5/16” plate steel. The S-shaped con
struction of the interior allows the logs to burn efficiently
from one end to the other like a cigar.
«HOWIQOM PISFLAY
1830 State Street, East Petersburg, PA
PH: 717-569-7397
Mon. thru Thurs. 10 A.M. - 5 P.M.
Fn. 10 A.M. -8 PM.; Sat. 8 A.M. -12 Noon
CAST IRON
DOOR
is especially helpful in areas
where the Dutch elm disease
is just starting to be a
problem, reports Dr. Roland
R. Daniels of the
Agricultural Experiment
Station at University Park.
All trees newly infected
with Dutch elm disease
should be cut and either
burned or peeled before
spring comes, Daniels says.
“Even stumps from frshly
cut elms should be peeled to
a few inches below ground
level. Any unpeeled bran
ches larger than one-half
inch diameter may shelter
beetles.”
The Penn Stater adds that
tree limbs or trunks saved
for firewood should be
completely peeled, and all
remaining branches should
be burned. They indicated
the fungus causing the
disease is carried from tree
to tree by either of two
beetles, the European elm
bark beetle or the native elm
bark beetle. The disease has
all but eliminated the
American elm in many
eastern and mid-western
states and has now spread to
California.
The beetle population and
the threat o f spread may be
reduced by pruning all dead
or weakened branches on
non-diseased trees, they
added. They pointed out that
elm bark beetles will not
infest wood with loose,
cracked bark such as occurs
in old logs or trees dead
FAWN
YOUR SECURITY AND ENERGY CENTER
HIESTAND DISTRIBUTORS INC.
MARIETTA, PA 17547
Phone 717-426-3286
BOX 96
See Us At Root’s Every Tuesday Building No. 5
Green Dragon Every Friday Building No. 3
more than a year. Old dead
trees or old logs have long
smce lost their brood of
beetles.
“Spraying to control the
elm bark beetles is generally
impractical and costly,” Dr.
Daniels pointed out.
“Spraying to protect trees
against the Dutch elm
disease can be justified only
for a few, very highly-valued
trees,” he affirmed.
“No spraying program
should take place unless
sanitation and removal of
beetle breeding sites also are
carried out. To date,
systemic insecticides have
not proved entirely
satisfactory in protecting
trees.”
Research to improve the
use of systemic fungicides is
underway, it was stated.
Simplified and more ef
fective methods of applying
sprays are being examined.
High pressure injection
systems are on the market,
but their use has not been
approved by the En
vironmental Protection
Agency.
Some elm species resist
the Dutch elm disease, it was
noted. However, these
species are smaller than the
American elm and lack the
typical vaseshaped form of
this tree. Resistant species
are the Siberian elm and the
Chinese elm.
Also resistant is a
Netherlands elm selection,
the Christine Buisman elm.
.ps
Lancaster Farming, Saturday, February 4, 1978
However, this selection is
sensitive to the elm leaf
beetle. Also, it is not Wmter
hardy in the northernmost
range of the American elm.
Two recent introductions are
the Urban elm and “Sophoro
Autumn Gold,” not available
m quantity.
“Science in Agriculture,”
the magazine describing
Stormwater
runoff expensive
LEBANON - Whenever
water from rainstorms runs
from farm fields the farmer
is losing ground water
reserves, nutrients and pest
controlling chemicals ac
cording to Afton Schadel,
Soil Resources Chief of the
Pa. Department of En
vironmental Resources.
While the department is
primarily concerned with
the water pollution caused
by soils and soil borne
materials, the losses to the
farmer have occurred long
before the runoff has caused
stream turbidity and
sediment pollution.
Schadel said the
techniques of raising crops
are well known by farmers
but the extra effort of
providing soil moisture to
maintain vigorous growth
during a two week drought
period may add enough yield
to make that crop profitable.
The use of soil testing in
formation is a farm
mangement tool but what
good are the specialized
laboratory studies and
reports about the nutrient
needs of a certain field if the
first rainstorm washes a
third of the surface applied
chemicals into the nearest
stream. Herbicides are
pesticides applied to crops
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+ Our program with Na-Churs liquid fertilizer
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A customer of Na-Churs liquid fertilizer will
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Calcium
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Contact your local representative or call one of
the following managers:
MYRON 0. LeVAN
ROY I. SHERTZER
Route 6, Long Lane Road Box 180
Lancaster, PA 17603 Plumsteadville, PA 18949
PHONE; PHONE:
717/872-7342 215 766-8077
SALES REPRESENTATIVES
NEEDED
Dutch elm disease and other
research in Penn State’s
College of Agriculture, is
free to Pennsylvania
residents by writing to the
Agricultural Mailing Room,
112 Agricultural Ad
ministration Building,
University Park, Pa. 16802.
Copies are also available
from most offices of county
agricultural agents.
and cropland are supposed
to remain in place to control
weeds, insects and crop
diseases. These chemicals
are expensive and provide
no increased crop yield or
improved crop quality when
they disappear down the
slopes and into waterways.
The DER official stated
that the Department is
working through county
conservation districts to
prevent accelerated erosion
and sedimentation that is
causing or has a potential for
causing stream pollution.
Conservation districts have
been active in promoting soil
conservation in Penn
sylvania for over 35 years.
Farmers that notice
muddy water flowing from
their farm fields during
rainstorms should contact
their county conservation
district for technical
assistance in developing
methods to retain the water,
the nutrients, the crop
chemicals and the soil.
When landowners allow
their soil to pollute our
state’s waters everyone
loses When a » r ner allows
his soil to e r (- '.'.d leave his
farm he lose- ost of all. He
loses the ver. ement on his
farm that her v.ds to sustain
bis livelihood
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Pounds Per Acre
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RD2
Watsontown, PA 17777
PHONE:
717-742-8064
ORIE KINDY
109
N0 3
so«
Water
HoMim Cap.