To Spray or Not to Spray the Aphids

A lot of calls are coming in this week from growers and reps who have fields that are hovering around the 250 aphids per plant range.  With the poor weather and wheat harvest some are anxious to make the call if they need to spray.  In fact, there are some rumours out there that some are spraying […]

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More Soybean Aphid Research Sites Needed

Now that we are getting into the R1 (beginning bloom) stage of soybeans, we have a bunch of research to do on soybean aphids including trying different combinations of water volume, pressure and nozzle configurations and testing new novel insecticides for future registrations.  But we need sites.  So anyone that finds soybean fields  (>25 acres) with aphids […]

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True Armyworm in Wheat in Exeter!

It is a strange season.  Things that shouldn’t be happening yet are and it is really messing us all up in terms of catching things in time before they become a problem. I just had a call from Laura Neubrand that she has found true armyworm in a late planted wheat field near Exeter that […]

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Soybean aphids high in counties bordering Lake Simcoe

High aphid numbers are being found in fields in counties bordering Lake Simcoe (Simcoe, Durham and Victoria).  Spraying has been necessary in many of the fields that have been scouted.  Scouting is advised in all fields in that region, starting first with the fields that were not treated with Cruiser.  Cruiser treated fields should not be […]

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Insects for this Week

First off, I apologize for not updating the blog for the last little while.  I’ve been busy with setting up the SouthWest Diagnostic Days and just ran out of time.  But let me catch you up on a few things that have taken place but I am also hoping that others who have been out […]

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Slugs Keep Feeding

I’m getting quite a few calls about slugs taking out soybean plantings not once but sometimes twice in the same field.  It has been an ideal spring for slugs with all of this wet cool weather.   And last fall was wet too, which helped all those slugs lay eggs and survive in these problem fields.  Unfortunately there […]

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Natural Enemies are Moving In

We are starting to see natural enemies moving into the soybean fields to feed on the aphids there.  Ladybugs and syrphid fly larvae are the most evident but there have been a few fungal mummies starting to show up too, thanks to this moist week.  This cooler weather will slow down the aphids doubling rate […]

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Soybean Aphids – Do you spray this early?

I’ve had a few calls come in this week about this issue.  Some reps are starting to find about 15 – 30 aphids per plant and want to know if they should  tankmix some insecticide in with the herbicide since they have to spray the weeds this week anyway, in hopes of getting ahead of the aphid […]

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Soybean Aphid 2009 Scouting Maps

We are starting to scout our soybean sites for 2009.  Our weekly scouting results are available on the IPM PIPE Network at:  http://sba.ipmpipe.org/cgi-bin/sbr/public.cgi?host=All%20Legumes/Kudzu&pest=soybean_aphid We will be updating these maps weekly and will include any key observations and recommendations within the commentary for both soybean aphids and bean leaf beetles.  To see the Ontario commentary, you need to […]

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2009-2010 Field Crop Protection Guide Now Available

The latest version (2009-2010) of the Field Crop Protection Guide, OMAFRA Publication 812 is now in print and available at any of the OMAFRA Resource Centres or can be purchased online at ServiceOntario (see link below).  This book contains the latest in recommended control products for field crop insect pests and diseases.  Cost is $15. https://www.publications.serviceontario.ca/ecom/MasterServlet/GetItemDetailsHandler?iN=0812E&qty=1&viewMode=3&loggedIN=false&JavaScript=y […]

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