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How Much Are Resistant Weeds Costing You? - 2 April 2013

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TheCropSite
Tuesday 2nd April 2013.
Sarah Mikesell - TheCropSite Senior Editor

Sarah Mikesell
Senior Editor


5M

How Much Are Resistant Weeds Costing You?

For farmers in the northern hemisphere, it’s about time for planters to start rolling. And while I’m sure your seed decision was made a long time ago, herbicide decisions generally are a wait-and-see prospect depending on what type of spring Mother Nature graces us with.

Today, I wanted to offer a reminder of the economics of weed resistance.

In the US, herbicide costs in the PRE-weed resistance days were about $10-20/acre. But now soybean growers in the Midwest are paying $30-40 per acre where herbicides arn’t working as well. However, if you move down into the southern states, they are spending anywhere from $70-120 per acre to get sufficient weed control.

A portion of that high cost to southern growers is due to the use hand-hoeing crews who come in to cut down weeds during the growing season so the millions and millions of seeds for next year’s “weed crop” don’t scatter during the autumn.

Resistant weeds are definitely on the move. In the US, they are fanning north, east and west. The dreaded resistant Palmer Amaranth is even leaping north to areas in Michigan and Wisconsin because it’s in feed that’s being transported north to dairy farms.

Rotating your crops isn’t enough. The best solution today is to rotate your chemistry and use multiple modes of action.

Here are a few tips from the Respect the Rotation campaign:

  1. Know Your Weeds. Know Your Fields - Identifying weed species will help pinpoint which herbicide program will work best on every acre. Also understand the weed pressure and history within each field.
  2. Start Clean - Effective tillage or the use of a burndown herbicide program can control emerged weeds prior to planting.
  3. Stay Clean - Use Overlapping Residuals - In any weed management program, the goal should be to control at least 80 percent of the weed population with residual herbicides.
  4. Apply Herbicides Correctly - Apply to actively growing weeds. Apply when weeds are no more than 3 to 4 inches. ALWAYS Follow label instructions.
  5. Do Not Allow Weed Escapes - Treat every weed escape as if it is a resistant weed. Consider spot herbicide applications, row wicking, cultivation, hand removal of weeds and other techniques to stop seed production.
  6. Zero Tolerance to Reduce the Seed Bank - Do not allow surviving weeds to set seed in order to decrease weed population shifts from year to year and prevent major weed shifts. OnePalmer amaranth plant can produce up to 1 million seeds per plant in optimal conditions.
  7. Clean Equipment - Avoid moving equipment that has not been thoroughly cleaned.

Bottomline: weed resistance is not going away. And US farmers – don’t think you are alone. This is a global issue, and it’s on the move.

To read more on weed resistance, click here

Last week, I mentioned our newest addition to TheCropSite - daily grain futures commentary including a global overnight market activity update, Where are the Grain Stops, closing comments and technical info charts that tell a story in themselves. 

You can view Jim’s comments every day at the top of the news section or if you click on the Jim Wyckoff banner under our home page markets section, it will take you right to Jim's hub page where you can see all of his comments, charts and videos in one spot. To check it out, click here

Have a great week!


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USDA Grain Stocks - March 2013
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Variability of Corn DDGS Prompts Need to Measure Nutritional Profiles
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Jim Wyckoff's Morning Report: EU Unemployed at Record Levels
What Will Weed Resistance Cost You This Year?

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Elevated Carbon Dioxide Trims Wheat, Sorghum Moisture Needs
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CME: Corn Futures Closed Lower Tuesday
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CME: Corn, Wheat & Soybean Acres Expected to Rise
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Jim Wyckoff's Wednesday Closing Grain Market Update
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Hard Freeze Likely Damaged Much of Texas Fall-emerged Wheat
2012: Record Year for Land O'Lakes
Quinoa Suggested as 'Grain Alternative' to Meet Food Demand
Groups Collaborate in Food and Rural Development Scheme
Grains: Where are the Stops?
Bearish USDA Corn Stocks Data Leads Grain Markets Sharply Lower Thursday
Jim Wyckoff's Thursday Closing Grain Market Update
Prevent Sidewall Compaction this Spring
System to Restore Wetlands Could Reduce Flooding, Aid Crops
Battling Climate Change with Tried and True Methods
Grains: Where are the Stops?
Special Report: Bearish USDA Reports Continue to Pressure US Grain Futures
Jim Wyckoff's Monday Closing Grain Market Update
A Look at US Drought Tolerant Corn Hybrids
Plant Cell Walls Engineered to Boost Sugar Yields
CME: Corn Futures Closed Lower Monday
Common Nitrogen Fertilizers and Stabilizers for Corn Production
USDA: Applications Sought for Renewable Projects
Jim Wyckoff's Tuesday Closing Grain Market Update

   China

Working Together to Ensure Food for All
China Could Dominate Soymeal Exports to South East Asia

   European Union

EU Institutions Urged to Include Findings in Final CAP Agreement
REA Recommends Extension of Renewable Targets
Copa-Cogeca Attacks Plans to Cut EU Farmers Payments by Five Per Cent

   Korea, South

South Korea's Ag, Fishery Exports Grew by 4.22 per cent in 2012

   United Kingdom

John Deere Gator Gets a Makeover
BCPC Supports Call for Assessment of Neonicotinoid Insecticide Suspension

   Canada

Report Confirms Ag Sector’s Continued Growth, Economic Value

   Russian Federation

Russia to Develop Organic Certification Standards

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