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Tag "Palmer amaranth"

Super Weed, Palmer Amaranth: May Soon Not Be So Super

Super Weed, Palmer Amaranth: May Soon Not Be So Super

👤By Kathy Keatley Garvey, University of California Cooperative Extension 🕔Apr 5, 2017

A super weed commonly known as Palmer amaranth or Palmer pigweed (Amaranthus palmeri) may soon not be so super. In first-of-its-kind research, a 10-member international team of scientists, led by Maor Matzrafi of the Hebrew University of Jerusalem, Ittai Herrmann

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Palmer Pigweed: 2 New Mechanisms for Herbicide Resistance Found

Palmer Pigweed: 2 New Mechanisms for Herbicide Resistance Found

👤By Lauren Quinn, University of Illinois 🕔Apr 4, 2017 Read Full Article
Nebraska: Status of Herbicide-Resistant Weeds

Nebraska: Status of Herbicide-Resistant Weeds

👤By Amit Jhala, University of Nebraska-Lincoln 🕔Mar 27, 2017

There are 480 unique cases of herbicide-resistant weed biotypes globally in 252 weed species (147 dicots and 105 monocots). Weeds have evolved resistance to 23 of 26 known herbicide sites of action and to 161 herbicides. Control of herbicide-resistant weeds

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Texas Cotton: New Technologies Add to Grower Responsibilities

Texas Cotton: New Technologies Add to Grower Responsibilities

👤By Steve Byrns, Texas AgriLife Extension 🕔Mar 24, 2017

From a cotton farming standpoint, it may be more important now than ever to know your surroundings, said a pair of Texas A&M AgriLife Extension Service specialists at Lubbock. In the past, farmers used to plant brown bag seed and

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Mississippi Weeds: Control Palmer Pigweed Early

Mississippi Weeds: Control Palmer Pigweed Early

👤By Jason Bond, Mississippi State University 🕔Mar 23, 2017

Because of the warm weather in March, many fields in Mississippi already contain emerged Palmer amaranth. Therefore, in fields that will not be planted for two to four more weeks, a residual herbicide for Palmer amaranth in a burndown application

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Fighting Pigweed With Overlapping Residuals – Do’s And Don’ts

Fighting Pigweed With Overlapping Residuals – Do’s And Don’ts

👤By Elton Robinson 🕔Mar 22, 2017

In theory, the idea of overlapping residual herbicides is simple enough, but what do you do if things go wrong?

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South Dakota Weeds: Identifying Palmer Pigweed

South Dakota Weeds: Identifying Palmer Pigweed

👤By Gared Shaffer and Sharon Clay., South Dakota State University 🕔Mar 20, 2017

Palmer Amaranth in South Dakota Annual weeds are threat to many cropping systems in South Dakota. Palmer amaranth is a newer threat in the state depending upon your geographical location. Confirmed sightings in a few counties in South Dakota include

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Glyphosate-Resistant Palmer Amaranth Confirmed in South-Central Nebraska

Glyphosate-Resistant Palmer Amaranth Confirmed in South-Central Nebraska

👤By Parminder Chahal - Weed Science Graduate Student | Amit Jhala - Extension Weed Management Specialist - UNL 🕔Mar 20, 2017

Palmer amaranth’s aggressive growth habit, extended period of seedling emergence, high water use efficiency, and prolific seed production make it the most problematic weed in agronomic cropping systems in the United States.   The increased adoption of reduced tillage practices,

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Florida: Palmer Pigweed Adaptability – Why This Pest Is So Hard to Manage

Florida: Palmer Pigweed Adaptability – Why This Pest Is So Hard to Manage

👤By Ramon Leon and Jay Ferrell, University of Florida 🕔Mar 10, 2017

Palmer amaranth, commonly referred to as Palmer pigweed, is perhaps the most problematic weed in the southern USA, especially in row-crop production. This weed can not only produce abundant seed allowing it to establish dense populations that can out-compete many

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Missouri: Palmer Pigweed Invades 5 More Counties Each Year

Missouri: Palmer Pigweed Invades 5 More Counties Each Year

👤By Linda Geist, University of Missouri 🕔Mar 10, 2017

Waterhemp and Palmer amaranth are easily confused. They are like ugly distant cousins at a family reunion. They look alike until you see them side by side. Their differences become apparent upon closer examination. Palmer amaranth is the bigger bully

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