The symptoms of nitrogen deficiency ere Inverted yellow “Vs” on the lower
leaves.
Late Season
Corn Diseases
Greg W. Roth
John E. Ayer#
An important part of com
production is evaluating your
crop and making the appropri
ate management changes in the
following season. Being able to
assess some common late sea
son com diseases will help in
making management changes
for next year.
Items that should be consid
ered for disease management
include tillage, hybrid selec-
ATTENTION CORN FARMERS: SMSM *
mRHH
The easy weigh
J-STAR 7’xlo’ Platform Scale Systems:
accurate axle weights...at surprisingly-low cost
Now, when you need precise
weight information, load after
load for efficient, cost-effective
management of your farm, over
the-road or custom hauling
operation J-STAR makes it easy.
With accurate, reliable scale
systems at a fraeton of the cost of
scales you may have considered
in the past. This “easy weigh"
lets you...
• Accurately check axle and
vehicle weights.
* Assure maximum weights, every
load, without risking lines lor
running over legal limits.
jES.
tion, and early harvest' of
affected fields. Three of the
most common com leaf dis
eases you may encounter
include gray leaf spot, northern
leaf blight, and northern leaf
spot. Another common late sea
son problem that could be con
fused with a disease is nitrogen
deficiency.
The symptoms of gray leaf
spot are gray, rectangular
lesions that are restricted by the
leaf veins. An individual lesion
J-STAR Scale Systems combine reliability,
versatility, durability and accuracy with a low
coat you’ll hava to sea to believe.
• Make more efficient use of your
trucks by consistently hauling
at or near capacity, without
underhauling.
• Monitor load placements and
weights at the time of shipment.
• Verily the weight of bulk
commodity purchases.
• Monitor crop yields.
• Handle up to 40,000 or 80,000
pound loads per tandem or
single axle.
• Assemble and Install the J-STAR
scale system where needed...
quickly and eully.
LAPP’S BARN E
5935 OLD PHILADELPHIA PIKE, GAP, PA 17527
PHONE: 717-442-8134 we service what we sell
/<*?■
MW " ' 11 /
/CMK
Northern leaf spot is identified by these chainllke lesions on the leaves.
Another surprise sll this
psrlormsnes capability
For a scala system this economi
cal, you might expect J-STAR to
senmp on features. Not so. Take a
look at all you get;
• Standard 7 ft. x 10 ft. platform,
sized to easily accommodate
tandem axles.
• Two models to choose from,
with 40,000 pound or 50,000
pound capacities per tandem or
single axle.
• Rugged J-STAR weigh beams
with '/• of 1% accuracy
(99 5% accurate).
• Choice of accurate, reliable scale
Indicators to match your weigh
ing needs and preferences.
• Shock-resistant strain gauge load
cells for long-lasting, depend
able performance
• Engineered and constructed
of heavy structural steel for
years of dependable service and
demanding use.
• Portable operation, if desired,
because of the system's 12-volt
DC electronics, 3-pomt tractor
hitch lift attachment and de
tachable ramps (40,000 pound
model only); and low-profile,
easy-on-and-ofl platform design.
■ BMMB BW Rugged J-STAR Scale
Systems are constructed ol
** ***” heavy gauge structural steel
years
Corn Talk, Lancaster Farming, Saturday, July 17,1993-P«fle
(D®IM fAILI MlW§
resembles a paper match. Con
trol measures include rotation,
tillage, and planting resistant
hybrids. Most severe cases
occur in fields of continuous,
no-till com where air drainage
is poor. Fields along creeks and
rivers are particularly vulner
able to gray leaf spot because of
the extended periods of dew.
Northern leaf blight is found
throughout Pennsylvania and is
characterized by long boat
shaped, grayish-green to tan
lesions. Lesions first appear on
lower leaves, progressing to
upper leaves over time. A few
years ago, the incidence and
All this plus J-STAR's years of A choice that gives you a proven
expertise in building hard- management tool that can provide
working, long-lasting equipment vital information to help you con
makes a J-STAR Scale System the sistently make better business
logical choice for your operation. decisions The “easy weigh*
• Detachable ramps.
• 3-point tractor hitch lift
attachment (40,000 pound
model only).
■ AC/DC power converter for
stationary operation.
• Indicator stand.
'
UIPMENT
PENNSYLVANIA MASTER CORN GROWERS ASSOC., INC.
Options and weighing versatility
7 ft. by 10 ft. weighing platform easily handles tandem axles.
Scale Indicator can be mounted in an outside environment on a
nearby building or on the optional indicator stand.
Radio || ira
Dispatched ||J|jS
Trucks \TfT/
severity of this disease
increased with the new race of
the pathogen. Higher levels of
genetic resistance to the new
race have been incorporated
into many new hybrids, so in
the last few years, disease
caused losses have been lim
ited. Potentially, however, this
disease can result in yield los
ses.' Avoiding inoculum by
rotation or tillage, along with
planting resistant hybrids, are
the best methods of avoiding
this disease.
Northern leaf spot (also
called Helminthsporium leaf
(Turn to Pago 13)
y»
✓ /*
•*
• Radio-controlled remote opera
tion (Model 15 only)
• Printer (or batch or other
weighing applications
(Model IS only).
• Computer interface capabilities
(Model 15 only).
171