Tag Archives: injury

Can I Apply Post-Emergent Herbicides to Soybeans Before the 1st Trifoliate Stage?

May 22, 2013 • Written by Mike Cowbrough
Can I Apply Post-Emergent Herbicides to Soybeans Before the 1st Trifoliate Stage?
co-authors: Dr. Clarence Swanton and Dr. Francois Tardif You may be faced with a scenario where there is an abundance of weeds at or near the maximum leaf-stage for effective control, yet the soybean crop is not at the growth stage specified on the product label. As a producer or consultant, do y... Continue reading →
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Frost Injury in Corn at the spike stage

May 11, 2013 • Written by Greg Stewart
Frost Injury in Corn at the spike stage
I took this video in 2010 when a lot of corn was planted in mid April and had emerged nicely only to be hit with a frost in May. Although the injury looked bad at the time, because the growing point was below the ground the crop made a complete recovery and 2010 saw record high provincial corn yield... Continue reading →
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Herbicide Injury in Corn and Soybean, FarmSmart Expo 2012

July 13, 2012 • Written by Mike Cowbrough
Herbicide Injury in Corn and Soybean, FarmSmart Expo 2012
Below are examples of corn and soybean injury demonstrated at the FarmSmart field expo, July 12, Elora Research Station (University of Guelph) Scenario 1: Just this past spring, I had contact with a producer who had accidentally applied Guardian Plus (glyphosate + chlorimuron + flumioxazin) post em... Continue reading →
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Herbicide Injury Scenarios in Soybeans and Edible Beans 2011

July 8, 2011 • Written by Mike Cowbrough
Herbicide Injury Scenarios in Soybeans and Edible Beans 2011
Here is a summary of herbicide injury scenarios in soybeans (glyphosate tolerant), white beans, kidney beans and adzuki beans showcased at the South West Crop Diagnostic Days in Ridgetown on July 6th and 7th, 2011. Scenario 1: Sandea (halosulfuron) is currently not registered in Ontario. A... Continue reading →
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Herbicide Injury Explanations – Valtera (flumioxazin) in Soybeans

June 29, 2011 • Written by Mike Cowbrough
Herbicide Injury Explanations - Valtera (flumioxazin) in Soybeans
Above average precipitation in the spring of 2011 has illustrated for many, areas within their fields that are slower to drain and even prone to have standing water (see below). Certain herbicides are at greater risk of causing crop injury in areas where there is standing water. The reasons ... Continue reading →
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