Crop Report: Issue 13, July 29, 2013

  

Weekly Provincial Summary

 
  •  Crop growth has slowed with the cooler temperatures.  However, the moderate
    temperatures will benefit flowering and grain filling of many crop types.
  • Continuing wet conditions in the Southwest and Northwest Regions will impact crop
    yield potentials.  Rainfall and humidity is also impacting haying progress and quality of hay
    in areas of Manitoba.
  • Disease pressure and insect activity continues to be monitored. 
 

Southwest Region

The Southwest Region experienced a week of moderate, less severe weather with generally light
rainfall and slightly below normal temperatures. Rainfall amounts varied from 5 to 20 mm with
heavier amounts occurring in southern portions of the region.  Moisture levels continue to be
surplus with localized flooding occurring across some of the more southern portions of the
region.
The wet, humid conditions and heavy morning dews continued to increase disease pressure
across all crops; fungicide control measures are now complete.  Crop lodging continues to be
an issue in cereals and to a more minor extent in canola.
Most cereal crops have flowered with some of the earliest seeded fields in the soft dough
stage of development and beginning to turn. The cooler temperatures continue to favour canola
development and flowering with some of the early seeded fields done flowering. Concerns
regarding blackleg lesions are being reported, especially in areas damaged by recent hail and
wind storms. Field peas are coming out of flower with some lodging being reported due to
recent winds, excessive growth and heavy pod development. Flax fields have also benefited
from the moderate temperatures and continue to experience an extended flowering period. Some
of the earliest fields are almost done flowering.

Corn and soybeans have seen crop development slow with the cooler temperatures. The majority
of soybeans are flowering while some of the earlier seeded corn crops in the tassel stage of
development. Sunflowers growth also slowed over this past week with most crops budded and
some early fields beginning to flower.
Insect activity over the past week was limited to continued grasshopper damage in pasture and
hayland in eastern and central portions of the region, especially in areas east of Highway
#10 from Minnedosa to Gladstone.
Pasture conditions continue to benefit from the frequent showers and moderate temperatures.
Most hay crops are in reproductive stages of development. Haying progress was once again
slowed by the high humidity and frequent showers with only 60 to 75% of the first cut now
reported as completed. Yield estimates of first cut alfalfa stands continue to range from 75
to 80% of normal across much of the Southwest Region or between 1 to 1.25 tonnes per acre due
to early season dryness, frost, alfalfa weevil feeding, excess moisture, grasshopper feeding,
hail damage and localized flooding. Water levels in sloughs and dugouts are 95 to 100% of
capacity in northern regions and 100% to overflowing in southwestern regions. There is little
to no chance of slough or marsh hay being harvested this year.
 
 

Northwest Region

Unsettled weather prevailed throughout the Northwest Region. The weekly accumulation of
precipitation ranged from lows of around 18 mm at Dauphin and Roblin, to 50 to 60 mm in the
rest of the region. In all sectors some locally higher amounts of rain up to 100 mm have been
reported. Daytime temperatures and humidity were moderate. Soil moisture is generally at
adequate levels with most sectors having 10 to 30% surplus moisture conditions present. Fork
River, The Pas and poorly drained sectors around Dauphin, Ethelbert, and McCreary continue to
be more significantly impacted.
 
Crop development, stand consistency and crop conditions remain variable across the region,
reflecting impacts of rain events, various soil textures and field drainage characteristics.
Some crop lodging has occurred. Up to 75% of spring wheat acres are at the dough stage, 100%
fall rye and winter wheat at dough stage, and 75% of the canola is podded. Much of the
soybean crop is in early reproductive stages, with Ste. Rose area fields the most advanced in
the region.
Fungicide applications are complete and some evidence of fusarium head blight is reported.
 
The weekly bertha armyworm moth trap counts have diminished through the region; moderate
seasonal risk levels exist through a sector north and west of Roblin and parts of the Swan
River Valley.

Unfavourable haying conditions resulted in little progress this past week. While additional stands have been cut, the intermittent rains, poor drying and wet field conditions limited the amount of baling completed this week. Forage quality is poor in areas of high moisture. Swaths have been rained on multiple times after being turned causing severe weathering. Overall, approximately 50% is baled and 35% has been cut with yields being above average in some fields, though generally yield is average. Above average quality forage has been very limited to date and most of the production is rated fair to poor in quality. While wet areas do exist, many pastures are fair to good and the native hay lands have also improved to fair. Dugout water levels are full in all areas.
 

Central Region

The Central Region had cooler temperatures along with scattered showers where the most
accumulation occurred mid-week. Much of the region reports 5 to 15 mm of precipitation, with
many localized areas reporting amounts ranging from 20 to 60 mm. Crop growth slowed with the
cooler temperatures, particularly with overnight lows down into single digits.
 
Cereal crops are in full head and the later seeded fields are receiving fungicide
applications for fusarium head blight. Winter wheat fields are turning; preharvest
applications will start this week on the most advanced fields. Cooler temperatures pushed
back harvest timing. Many of the spring cereals are in soft dough stage. Leaf diseases are
evident.

Canola continues to flower as cooler temperatures and rains are extending the flowering
period. The earliest seeded fields are podded with flowering complete. Fungicide applications
for sclerotinia management continue on the later seeded fields, where staging and moisture
conditions warrant. More blackleg leaf lesions are being reported throughout the region,
along with some basal cankering.

The majority of corn is at the tasselling and silking stage. Soybeans and edible beans are
flowering, with podding and filling continues.
Lodging is evident in cereals in areas of heavy rain and wind; some of the crop has
recovered. Hail is probably more widespread than previously noted with damage mostly confined
to leaf injury.
Diamondback larvae are being found in canola with no significant damage at this point. Higher
bertha armyworm trap counts are being seen, with numbers in the low to uncertain risk range.
Trap counts are starting to decline. Numbers warrant ongoing monitoring for crop damage.
Grasshopper activity continues in much of the region. Evidence of the fungal infections that
attack grasshoppers has been noted. Numbers on headlands of many cereal, canola and hay
fields warranted spraying, also roadsides and drains, as well as some entire fields, with hot
spots throughout the region. Clipping of bolls in flax fields also warranted control
measures.

Wet weather and high humidity continue to make haying a challenge. First cut dairy hay is
complete; baling of first cut beef quality hay is almost done. Average yields are expected
for most areas. Cut hay is losing quality. Second cut dairy hay has begun.  Most pastures are
growing rapidly and are in good to excellent condition, although some still suffer due
adverse conditions. Rainfall has been welcomed for second cut and pasture regrowth. Dugouts
are full.
 

Eastern Region

In the Eastern Region, rainfall amounts ranged from 0 to 25 mm this past week, with some
reports of 50 mm. Rainfall was quite varied due to the spotty showers that moved through the
region.
Crops in general are doing well. Winter wheat is in the dough stage, spring cereals are in
the milk to soft dough stage, canola is finishing up flowering with many fields podded, the
majority of soybean acres are podded and corn is at the tasseling and silking stages.
Sunflowers moved very quickly through the bud stage with yellow ray flowers evident on every
field.

The biggest concern in the region continues to be insect activity, particularly grasshoppers,
green cloverworm, armyworms and other defoliators. In canola, concerns are moving from leaf
damage to pod damage issues. No soybean aphids have been reported yet. Some insecticides have
been sprayed in response to grasshopper, green cloverworm and armyworms in northern parts of
the region. These applications have been done on a field by field basis.

Root rots are showing up in soybeans; producers are currently trying to determine what fungi
are causing the damage.

Hay conditions in the region are rated as 75% good, 15% fair and 10% poor. First cut is
finishing up with progress rated at 5% standing, 15% cut and 80% baled or silage. Second cut
progress in rated at 80% standing, 10% cut and 10% baled/silage. Roughly 90% of alfalfa,
alfalfa/grass and tame hay fields intended for beef cattle feed have been harvested as first
cut hay/silage. Native grasses remain standing as growth has been slow and yields are
expected to be low. Average percent of normal yields are reported as: alfalfa 95%,
grass/alfalfa 100%, other tame hay 75% and wild hay 50%. Second cut alfalfa is rated at 80%
to 95% of normal.

Pasture conditions in the region are rated as 50 to 75% good to 25% fair and 0 to 25% poor.
Livestock water supply is rated at 100% adequate.
 

Interlake Region

Rain and cool temperatures were experienced throughout the week in the Interlake Region. Most
reports of precipitation ranged from 35 to 45 mm. In some areas, water is still sitting in
fields from last Thursday’s rainfall. Future forecasts are calling for temperatures which
will help ripen winter wheat fields and advance soybeans.
Winter wheat harvest is very close in both South and North Interlake. Last week, producers
started preharvest applications on winter wheat fields. Canola crops in the South Interlake
have nearly completed flowering with some late seeded canola fields still flowering. North
Interlake canola crops are nearing the end of flowering but aren’t as advanced as those in
the South Interlake. Corn crops have started to tassel and soybeans have been developing
pods. Timothy and other forage grass will soon be swathed; alfalfa seed fields have been
getting sprayed for lygus bugs.

There are some concerns in the North Interlake regarding armyworms in spring seeded crops.
Some producers have counts as high as 4 to 5 per square foot prior to Thursday’s rainfall.
First cut hay is still ongoing in the Ashern and Moosehorn area. Most other parts of the
region first cut are nearing the end with native hay acres being cut and baled. Pasture
condition are average throughout the region. Last weeks rainfall will help increase
production in both pastures and hay fields. Dugout conditions are good.