Palmer Amaranth:

Pigweed pictures taken

fall of 2011

 

 

 

 

 
Christy Sprague and David Powell, Ph. D. Student - Palmer amaranth can exceed heights of 8 feet tall by the end of the growing season.
  Palmer amaranth seedling
  Palmer amaranth seedling emerging with soybean
  Young Palmer amaranth plant
  Newly emerged Palmer amaranth after seed corn harvest
  Late emerging Palmer amaranth in corn
  Palmer amaranth leaf arrangement
  Palmer amaranth that was mowed and regrown
  Regrowth of Palmer amaranth after PPO inhibitors
  Some Palmer amaranth leaves have watermarks
  Palmer amaranth infestation in soybeans
  Palmer amaranth plants
  Palmer amaranth plants
  A wall of Palmer amaranth next to soybeans
  Palmer amaranth in alfalfa
  Mature Palmer amaranth at soybean harvest
  Palmer amaranth male flower
  Palmer amaranth male plants
 
A single female Palmer amaranth plant can produce up to 600,000 seeds and are sharp to touch.
  Palmer amaranth female plant
  Palmer amaranth can exceed 8 feet tall
  Stems can be green or red or a variation
  Palmer amaranth root
 
The size of the Palmer amaranth stem is greater than a nickle.
  Palmer amaranth seed and capsules
  Palmer amaranth seed head
 
Palmer amaranth seed size in relation to soybean seed
 
Spines on Palmer amaranth stem
 
Palmer amaranth leaves and petioles