WeevilTrak Blog | GreenCast | Syngenta
Welcome to the WeevilTrak℠ blog, offering you updates about annual bluegrass weevil (ABW) from industry leading researchers. This blog will provide you with timely ABW activity across the north east as well as advice on scouting and controlling them using the Optimum Control Strategy.

Archive: May 2016

Heavy rain slows ABW damage – for now

My Memorial Day Picnic was cancelled because of heavy rainfall along the beaches of Delaware. So, just like last month, I'm writing this blog during a rainfall event when we really don't need this much rain.

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Wavering Weevils

If you have been following the WeevilTrak blog, you know that fluctuating temperatures have made this a strange year for annual bluegrass weevil (ABW) life stage timings, not just in North Carolina, but everywhere.

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Buckle Up

2016 is shaping up to be the inverse of 2015. The hot and dry conditions in May 2015 accelerated the development of larvae, and larvicide applications were warranted shortly after adulticide applications. Last year, optimal timing for adulticide applications occurred on May 1 in central Pennsylvania

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Update from New Jersey

Just like last year, it has been a crazy busy spring ABW season with 23 experiments on six golf courses (including the usual synthetic insecticide protocols). These were experiments with various biorational and biological insecticides and testing the standard adulticides and larvicides on four golf courses.

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Temperature Comparisons in Southern New England

One of the WeevilTrak sites we are monitoring is a charter member of the program, so we have eight years of data from Tumble Brook Country Club in Bloomfield, CT (just northwest of Hartford). The superintendent, Cindy Johnson, has been a loyal WeevilTrak supporter.I just tabulated the accumulated degree day data for April and May for each of the past eight years at Tumble Brook.

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Mid-Atlantic Observations from April and early May.

It's May 6, 2016, it is pouring down rain and the soil is already saturated. I visited close to 20 golf courses this week and rain is one thing that no one in our region needs more of right now! The Philadelphia area is at about 300 growing degree days base 50°F starting March 1, 2016.

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