Think you know your pigweeds?

June 13, 2017 7:55 AM
Blog Post

This year at the ISU FEEL weed garden I've established a plot with nine weedy members of the Amaranthaceae family, including six pigweeds .  The pigweeds were transplanted on June 9 and pictures taken on June 11. Species include redroot pigweed, tumble pigweed, Palmer amaranth, spiny amaranth, Powell's amaranth, and waterhemp.  How many can you correctly identify?  If you visit FEEL this year, take time to visit the garden. Answers are provided here, but at this stage of growth I doubt many people could identify all of them correctly.


Amaranthus 1


Amaranthus 2



Amaranthus 3


Amaranthus 4

 


Amaranthus 5


Amaranthus 6

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Bob Hartzler Professor of Agronomy

Dr. Bob Hartzler is a professor of agronomy and an extension weed specialist. He conducts research on weed biology and how it impacts the efficacy of weed management programs in corn and soybean. Dr. Hartzler also teaches undergraduate classes in weed science and weed identificatio...