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Why Your Glyphosate May Not Be Working

Hard water in the spray tank can cause double-digit reductions in the effectiveness of glyphosate applications, and may also be silently exacerbating problems with herbicide resistance in weeds.

By Martha Mintz posted on May 1, 2014 | Posted in Crop Protection, Water Management

The carefully calculated and measured rate of glyphosate that goes in the spray tank is the same deadly dose that makes it to weed leaves, right?

Think Twice Before Applying Insecticides To Bt Corn Varieties

April 29, 2014 | Posted in Crop Protection

Source: Penn State Extension

For folks growing continuous corn, western corn rootworm is a serious pest that needs regular attention.

Use Thermal Time To Predict Leaf Stage Development in Corn

April 28, 2014 | Posted in Crop Protection, Nutrient Management

Source: Purdue University

Being able to predict when a field of corn will reach particular leaf stages can be useful for scheduling post-emergence applications of certain herbicides and sidedress N fertilizer.

Scout For Alfalfa Weevil Soon

April 25, 2014 | Posted in Crop Protection

Source: By Andy Michel, Ohio State University

It is difficult to even think about insects when many producers have not even had a chance to work the fields, let alone plant.

Did The Cold Winter Kill Plant Diseases?

April 24, 2014 | Posted in Crop Protection

Source: South Dakota State University

It has been a long cold winter with record low temperatures. This has led to some growers wondering if they still have to worry about plant diseases this growing season. As cold as it has been this winter, it may not have been cold enough for plant pathogens to die. Fungal pathogens have survival structures that enable them withstand very harsh weather conditions.

Tips For Planting A Field To Soybeans For The First Time

April 24, 2014 | Posted in Crop Protection

Source: By Mike Staton, Michigan State University Extension

Soybean production is expanding.

Fungicide Resistant Fusarium Head Scab Found In Northeast U.S.

April 22, 2014 | Posted in Crop Protection

Source: By Alyssa Collins, Penn State University

Researchers in New York have just documented an isolate of Fusarium graminearum from New York wheat that is highly resistant to tebuconazole (an active ingredient in Prosaro, Folicur and others) from just a small pilot survey of New York isolates.

When Is It Too Cold To Apply A Burndown Herbicide?

April 17, 2014 | Posted in Crop Protection

Source: By Kevin Bradley and Mandy Bish, University of Missouri

Because of the dramatic swings in air temperature that we’ve experienced already this spring, we’ve received a few questions about the effect of air temperatures on our spring burndown applications.

Accurately Measuring Pesticides Requires Correct Calibrations

By Travis Cleveland posted on April 11, 2014 | Posted in Crop Protection

Source: Travis Cleveland, University of Illinois Extension

Last summer, Fred Whitford from Purdue University and Pat Hipkins from Virginia Tech conducted a presentation on the various aspects of accurately measuring pesticides.

Bt-Resistant Western Corn Rootworm Confirmed In Five Illinois Counties

April 4, 2014 | Posted in Crop Protection

Source: By Michael Gray, University of Illinois

On Aug. 24, 2012, in cooperation with Aaron Gassmann’s laboratory, Iowa State University, the evolution of field resistance by corn rootworms to the Cry3Bb1 protein was confirmed in some problem fields located in northwestern Illinois (Henry and Whiteside Counties).

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