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Tag "weed identification"

South Dakota: Palmer Pigweed – Now’s the Time to Scout

South Dakota: Palmer Pigweed – Now’s the Time to Scout

👤By Paul Johnson, South Dakota State University Extension Weed Specialists 🕔Sep 6, 2017

It is close to three years now since the first palmer amaranth was found in South Dakota. Since that time there are about a dozen confirmed sites in the state. Now is the time of year to be looking for

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Palmer Amaranth May be Hiding in Native Seed Mixes

Palmer Amaranth May be Hiding in Native Seed Mixes

👤From the Weed Science Society of America 🕔Aug 29, 2017

Scientists from the Weed Science Society of America (WSSA) say some native seed mixes planted to foster habitats for honeybees and other pollinators have been found to be contaminated with Palmer amaranth – a weed ranked by experts as the most

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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: 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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I.D. Weed Seedlings: Common Waterhemp and Palmer Amaranth Differences

I.D. Weed Seedlings: Common Waterhemp and Palmer Amaranth Differences

👤By Amit Jhala, University of Nebraska-Lincoln 🕔May 23, 2017

Growers should be on the lookout for common waterhemp and Palmer amaranth, which typically start emerging in the first or second week of May in Nebraska and continue emerging up to late August. Although both species belong to the Amaranthaceae

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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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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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Minnesota: Weed Management – Need Help Identifying Palmer Pigweed and Waterhemp?

Minnesota: Weed Management – Need Help Identifying Palmer Pigweed and Waterhemp?

👤By Phyllis Bongard and Jeff Gunsolus, University of Minnesota 🕔Oct 14, 2016

With the recent confirmation of Palmer amaranth in Minnesota, it is critical to identify this noxious weed, so it can be eradicated before it becomes widespread. A new pictorial guide compares key characteristics of Palmer amaranth and tall waterhemp at

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University of Tennessee Weed Diagnostics Center Helps Identify, Manage Weeds

University of Tennessee Weed Diagnostics Center Helps Identify, Manage Weeds

👤By Doug Edlund, University of Tennessee 🕔Oct 11, 2016

What do golf course superintendents, farmers and weekend gardeners have in common? For one, they all share a strong dislike of weeds. Whether you’re a professional or amateur, nothing can ruin your day like a weed. Worse yet, no matter

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Palmer Pigweed – High Variability Makes Proper Identification Critical

Palmer Pigweed – High Variability Makes Proper Identification Critical

👤By Bob Hartzler and Meaghan Anderson, Iowa State University 🕔Aug 30, 2016

The first step in managing any pest is correct identification.  For Palmer amaranth, we have stressed the need to examine the inflorescences of female plants for the presence of the large, sharp bracts.  Farmers/agronomists are not accustomed to examining flowers since almost

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