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Tag "Pigweed"

Iowa: Is Palmer Pigweed Spread in a ‘Lag Phase’?

Iowa: Is Palmer Pigweed Spread in a ‘Lag Phase’?

👤By Bob Hartzler, Iowa State University 🕔Jun 23, 2017

The introduction and spread of Palmer amaranth in Iowa undoubtedly will have a significant impact on crop production and weed management in the future.  However, since the first infestations were identified I’ve been intrigued by what seemed odd behavior for

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Texas West Plains: Cotton a Mixed Bag; Peanuts, Corn Doing Well; Replanting Sorghum

Texas West Plains: Cotton a Mixed Bag; Peanuts, Corn Doing Well; Replanting Sorghum

👤By Kerry Siders, Texas AgriLife Extension 🕔Jun 22, 2017

Cotton ranges from seed still in the ground to 9 true leaf cotton. This wide range is reflective of the mess we are in across a large area here on the West Plains. I cannot review all the scenarios which

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Iowa: Weed Quiz – Can You ID These 6 Different Pigweeds?

Iowa: Weed Quiz – Can You ID These 6 Different Pigweeds?

👤By Bob Hartzler, Iowa State University 🕔Jun 21, 2017

The six weedy Amaranthus species at the weed garden have grown quite a bit, but I’m not sure how much easier it is to differentiate a few of the species. Can you tell which is which?

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Pennsylvania Corn, Soybeans: Midseason Control of Marestail, Palmer Pigweed, Waterhemp

Pennsylvania Corn, Soybeans: Midseason Control of Marestail, Palmer Pigweed, Waterhemp

👤By William Curran and Dwight Lingenfelter, Pennsylvania State University 🕔Jun 21, 2017

As we proceed through the growing season, there are a few issues surrounding weed control and herbicide use. Here are some items to consider.

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Georgia Soybeans: 3 Thoughts on Weed Management

Georgia Soybeans: 3 Thoughts on Weed Management

👤By Eric Prostko, University of Georgia 🕔Jun 19, 2017

Just got done rating some of my soybean weed control plots.  Thought I would pass along these few thoughts.

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Is Palmer Amaranth Developing Traits That Make It Difficult to Control?

Is Palmer Amaranth Developing Traits That Make It Difficult to Control?

👤From the Weed Science Society of America 🕔Jun 16, 2017

Palmer amaranth is widely considered to be one of the most damaging and difficult to control agricultural weeds in North America. A lot of time and attention has been devoted to herbicide-resistant Palmer amaranth and the significant yield losses it

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Resistant Weeds – Options When Control Jumps The Track – AgFax

Resistant Weeds – Options When Control Jumps The Track – AgFax

👤By Owen Taylor 🕔Jun 15, 2017

AgFax Weed Solutions – reports from Corn Belt and South covering what to do when things go wrong with your 2017 herbicide program.

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Pennsylvania: Palmer Amaranth and Waterhemp Beginning to Emerge

Pennsylvania: Palmer Amaranth and Waterhemp Beginning to Emerge

👤By Annie Klodd, Pennsylvania State University 🕔Jun 15, 2017

Pigweed species have begun emerging for the season in Pennsylvania, including reports of Palmer amaranth and waterhemp in southeastern Pennsylvania. It is important to scout for these invasive weeds now, and control them before they reach 4 inches tall.

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Kansas Soybeans: Postemergence Marestail and Pigweed Control

Kansas Soybeans: Postemergence Marestail and Pigweed Control

👤By Dallas Peterson and Doug Shoup, Kansas State University 🕔Jun 13, 2017

Controlling marestail or pigweeds postemergence in soybeans is always easier when the weeds are small – less than 2 inches tall is preferable for good control. Once weeds get taller, they are often considerably more difficult to control. However, conditions

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Illinois Weeds: New Seed Tests for Palmer Amaranth Identification

Illinois Weeds: New Seed Tests for Palmer Amaranth Identification

👤By Diane Plewa and Suzanne Bissonnette, University of Illinois 🕔Jun 13, 2017

Are you having trouble with Palmer amaranth? We have something new for you. NEW Palmer ID test available this year: We spent a long winter optimizing a new assay in collaboration with Dr. Pat Tranel’s lab to aide in Palmer

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