Pest Alert: Alfalfa Weevil and Leafhopper Numbers High

Alfalfa weevil and potato leafhopper (PLH) are being reported as extremely high in many fields.  Hot dry conditions have made it more favourable for these pests than their natural enemies (especially entomopathogenic fungi). Scout fields to determine if cutting is possible or if an insecticide application is necessary if thresholds are reached. Consider fields at […]

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May 2018 Forage Report

precipitation map May 2018

Southwestern: Most alfalfa stands overwintered well; however those on heavy soils and in low-lying areas may have suffered winter injury. New seedings and annual forage acres are expected to increase this year in response to weather conditions over 2016 and 2017. As of May 27th, alfalfa weevils had reached 1st instar. Scouting is advised to identify […]

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Alfalfa Weevil Alert

Some field scouts are finding alfalfa weevil above threshold in Niagara and Haldimand counties, though there are likely more fields in other counties at levels of concern.  Alfalfa weevil activity usually coincides with first cut but in some years when the crop is slower to develop, the weevil damage gets ahead, causing significant damage before […]

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Alfalfa Weevil

Alfalfa weevil can be an issue in Ontario, particularly in south-western parts of the province. While outbreaks tend to be isolated, they can be severe and dramatically reduce forage yield and quality. Typically, alfalfa weevil do not reach significant levels until we are ready to take first-cut. However, sometimes alfalfa weevil larvae development is advanced […]

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Weevils and What not

There have been some reports of alfalfa weevil causing damage in some stands and I was out this week to have a look at some fields. The weevils are certainly out there.  Considering that some alfalfa fields are hurting from frost damage, some produces may consider holding off on the first cut to let the […]

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Expect Early Activity

What a spring so far.  Things are happening fast.  Given the warm start to the season, we should expect an early start for many of our early season insect pests too.  Consider scouting at least 2 weeks earlier than norm.  Alfalfa weevils should be active shortly if they are not already (anyone find any yet?).  […]

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Alfalfa Weevil and Armyworm

Alfalfa Weevil – We are starting to see a lot more alfalfa weevil larvae in the fields we are scouting.  Many fields in southwestern Ontario are ready or close to being ready to be cut.  I know you are busy trying to get everything planted finally, but I encourage guys to get out and cut the hay (if field is […]

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Things to be looking for

Just in case some of you are keen and plan to be scotuing this long weekend, there are a few critters you should be watching for. Alfalfa weevil (AW) larvae are starting in some fields.  So far just the smaller 1st and 2nd instars but warmer weather will help them grow too.  Stay ahead of […]

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