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Crop Sciences

College of Agricultural, Consumer, and Environmental Sciences
University of Illinois at Urbana-Champaign
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Figure 1: Waterhemp (left) generally lacks hairs on stem and leaf surfaces. Hybrid plants (center) typically possess characteristics of each parent and can be difficult to identify under field conditions. Smooth pigweed (right) has hairs on both stem and leaf surfaces.

Figure 1: Waterhemp (left) generally lacks hairs on stem and leaf surfaces, while smooth pigweed (right) has hairs on both stem and leaf surfaces. Hybrid plants (center) typically possess characteristics of each parent and can be difficult to identify under field conditions.