Amit Jhala - Extension Weed Management Specialist

Broadleaf weeds

Q&A: Which Dicamba Product Should I Use to Kill Broadleaf Cover Crops or Burndown Weeds Before Xtend Soybean? April 27, 2018

With a delayed or compressed planting season, this week several growers asked whether they could immediately plant soybeans after a dicamba application. See how Extension Weed Scientist Amit Jhala replied.

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Cereal rye in corn stubble
Figure 1. Cereal rye planted as a cover crop in many fields is slow-growing this spring. Combining a cover crop termination and PRE application may be a valuable time-saver this year, if used correctly.

Q&A on Terminating Cereal Rye, Applying a PRE April 25, 2018

A grower asked: My cereal rye cover crop is only 3 to 5 inches tall going into planting season. Can I combine two field operations in one by applying glyphosate to terminate cereal rye and tank-mixing it with a residual herbicide for early season weed control?

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Cover crop field with mixed-species plantings
Later season field of cover crops in southeastern Nebraska. (Photo by Paul Jasa)

Timing of Cover Crop Termination and Related Factors April 20, 2018

Should the cold spring delay cover crop termination? Growers walk a fine line between growing cover crops long enough to get the biomass they want without reducing yield in the following grain crop. This discussion from an agronomist, entomologist and weed scientist looks at various factors to consider.

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How Temperature and Rain Can Affect Burndown Herbicides April 18, 2018

Finding a good time for burndown herbicide applications has been a little tricky this spring, given the below-normal temperatures the first half of April and intermittent snow and rain, all of which can decrease herbicide efficacy. Checking the forecast can help identify an optimal window for application.

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Planning Ahead for Winter Wheat: Review Corn and Soybean Herbicide Programs April 13, 2018

If you're considering planting winter wheat next fall, be sure to review the corn and soybean herbicide programs you plan to use this spring to avoid rotation restrictions that would limit your cropping options.

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Glyphosate-resistant common waterhemp in soybean without a pre-emergence herbicide with multiple sites of action.
Glyphosate-resistant common waterhemp in soybean without a pre-emergence herbicide with multiple sites of action.

Pre-emergence Residual Herbicides are the Foundation of Soybean Weed Control March 29, 2018

Even with new dicamba-resistant soybeans, pre-emergence, residual herbicides are needed to mitigate yield loss due to weed competition, provide a longer time for soybean to establish, and reduce selection pressure for weeds resistant to post-emergence herbicides.

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Photo of field trial studying management of glyphosate-resistant ragweed

Herbicide Options for Managing Glyphosate-resistant Common Ragweed in LibertyLink Soybean March 1, 2018

Results from a 2017 weed management trial on glyphosate-resistant ragweed indicated two applications were often more efficient and cost effective than either three applications or one application of herbicide.

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Sprayer hose test

Removing Dicamba Residues from Your Sprayer: A Tricky Task February 15, 2018

Thoroughly cleaning your sprayer both before and after applying dicamba is required and can help reduce the potential for off-target damage. Check these recommended practices and see what research at Mississippi State University found when testing sprayer hoses.

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