Soil
moisture conditions remain
good to excellent for crop development
throughout much of Manitoba except
for the southwest area of the
province, the northwest near Dauphin
and the Interlake. Moisture conditions
are variable throughout Saskatchewan.
Hot weather and winds have combined
to reduce soil moisture levels
in many areas with dry conditions
occurring in eastern Saskatchewan
around Yorkton, in the northeast
near Melfort, and in many areas
of the northwest. Moisture conditions
in Alberta are fair to excellent.
The southern part of the province
and east central regions east
of Camrose are dry and in need
of moisture.
For current PFRA maps of moisture
conditions, check these Web pages:
http://www.agr.gc.ca/pfra/drought/drprec4_e.htm
http://www.agr.gc.ca/pfra/drought/drprecw_e.htm
http://www.agr.gc.ca/pfra/drought/prgrowing_e.htm
Additional
moisture information for Alberta
is available from Alberta Environment
at:
http://www3.gov.ab.ca/env/water/WS/data/precipmaps/weekly.pdf
The
latest crop report from Saskatchewan
Agriculture, Food & Rural
Revitalization is available at:
http://www.agr.gov.sk.ca/docs/reports/crop_report/crprpt030622.asp?
firstPick=Reports&secondPick=Crop%20Report
Crop
development in most areas
has advanced significantly due
to the heat. Early seeded crops
in central and eastern Manitoba
are at the end of flowering and
are well into pod development.
Crops in most other areas are
into full bloom. Hot weather continues
to cause bud and flower blasting
throughout many canola growing
regions of western Canada particularly
in southwest Manitoba, much of
Saskatchewan and in southern Alberta.
These hot, dry conditions continue
to cause the premature end to
flowering in some fields. Refer
to the July 8 Canola Crop Watch
Report for more information on
flower blast:
http://www.canola-council.org/seed/canola-watch/watch-jul8.shtml
Bertha
armyworm moth counts are high
in southwest Manitoba and northwest
Saskatchewan near Speers, with
some larvae beginning to emerge
in Manitoba. Grasshoppers
continue to be a problem in many
areas with spraying of canola
reported in western Manitoba.
Grasshopper pressure continues
to be high in areas with the most
drought stress. Diamondback
moth larvae continue to be
found in many areas of Saskatchewan,
with some spraying reported in
the northeast. Other insects
identified in the past week include
flea beetles, red turnip beetle,
beet webworm, and lygus bugs.
It is very important to keep scouting
for these insects as the crop
finishes flowering and starts
podding. The early podding stage
is when the crop is most vulnerable
to economic losses from these
insects. The crop drops its leaves,
and the insects will move from
the leaves onto the pods causing
direct yield losses. It is also
important to use proper techniques
when scouting for various insects.
Use a sweep net to determine
thresholds for lygus bugs and
cabbage seedpod weevil. A sweep
net cannot be used for determining
thresholds for diamondback moth,
bertha armyworm, beet webworm
or alfalfa looper larvae. An estimation
of the number of these larvae
within a square meter is a more
accurate determination of thresholds
for these insects. Check some
of the previous crop reports for
more information on scouting for
these insects:
For more information and images
of the moth and larvae, visit
these Web pages:
http://vc55moths.topcities.com/imagearchive/pyralid/loxostegesticticalis.htm
http://www.canola-council.org/images_insects.html
Red
turnip beetle and alfalfa looper:
http://www.canola-council.org/seed/canola-watch/watch-jun18.shtml
Lygus
bugs, diamond back moth and sweep
net scouting:
http://www.canola-council.org/seed/canola-watch/watch-jun25.shtml
http://www.canola-council.org/PDF/sweepcard_04.pdf
http://www.canola.ab.ca/acpc/lygus.shtml
For
more information on bertha armyworms
including latest monitoring results,
check the following links:
http://www1.agric.gov.ab.ca/$department/deptdocs.nsf/all/prm2525
http://www.agr.gov.sk.ca/DOCS/crops/integrated_pest_management/
insects/Berthawo.asp?
firstPick=Crops&secondpick=Integrated%20Pest%20Management&thirdpick=Insects
http://www.agr.gov.sk.ca/docs/crops/integrated_pest_management/
insects/berthamap0107.asp?
firstPick=Crops&secondpick=Integrated%20Pest%20Management&thirdpick=Insects
http://www.gov.mb.ca/agriculture/crops/insects/fad03s00.html
Anyone scouting fields that were planted to a canola variety rated moderately resistant (MR) or resistant (R) and finds blackleg infected plants, is asked to send these infected plants to Dr. Dilantha Fernando, Plant Pathologist, at the University of Manitoba (fernando@ms.umanitoba.ca, (204) 474-6072. University researchers are studying the blackleg races present to determine whether any have been able to overcome the resistance present with current varieties.
Direct overall questions regarding this report to John Mayko, Agronomic Research and Extension Manager, maykoj@canola-council.org, ph/fax:780-764-2593.
For specific questions regarding regional issues associated with this report, please consult one of the following Canola Council of Canada regional agronomists or provincial oilseed specialists:
Derwyn Hammond,
Agronomist, Manitoba, hammondd@canola-council.org,
204-729-9011
Rob Park, Manitoba Agriculture
& Food, rpark@gov.mb.ca, 204-745-5665
David Blais, Agronomist, Western
Saskatchewan, blaisd@canola-council.org,
306-895-2122
David Vanthuyne, Agronomist, Eastern
Saskatchewan, vanthuyd@canola-council.org,
306-782-7799
Jim Bessel, Senior Agronomist,
Northeastern Saskatchewan, besselj@canola-council.org,
306-373-6771
Bill Greuel, Saskatchewan Agriculture,
Food & Rural Revitalization,
wgreuel@agr.gov.sk.ca,
306-787-2756
Doug Moisey, Agronomist, Central
& Southern Alberta, moiseyd@canola-council.org,
403-553-2829
Christine Mardell, Agronomist,
Peace River Region, mardellc@canola-council.org,
780-518-1513
Murray Hartman, Alberta Agriculture,
Food & Rural Development,
murray.hartman@gov.ab.ca,
403-782-8024
Kerry Clark, BC Ministry of Agriculture,
Food & Fisheries, Kerry.Clark@gems9.gov.bc.ca,
250-787-3213
The Canola Crop Watch Report provides just-in-time information on canola production to growers and industry. Contributors to the Canola Agronomy Network are:
Manitoba Agriculture & Food, Manitoba Canola Growers Association, Agricore United, Cargill, James Richardson International, Saskatchewan Wheat Pool, United Farmers of Alberta, Saskatchewan Agriculture, Food & Rural Revitalization, Saskatchewan Canola Growers Association, Saskatchewan Canola Development Commission, Alberta Agriculture, Food & Rural Development, Alberta Canola Producers Commission, BC Ministry of Agriculture, Food & Fisheries, and the Canola Council of Canada.