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4-H/FFA Crops Career Development Event Crop Seed Identification Photos Courtesy of Purdue Agronomy
Red clover boxing glove shape thumb is ¼ as long as mitt generally two colors on single seed darker on the bottom, lighter on top-green to light brown
White clover heart shaped yellow or red seed coat
Alsike clover seeds are heart-shaped dark green to brown
Sweetclover shape of baseball mitt thumb is 2/3 as long as mitt
Alfalfa smooth, kidney-shaped yellow-green to light brown
Hairy vetch dark ridge through wedge shaped hilum Large, dark purple
Birdsfoot trefoil Olive to chocolate brown color Mottle appearance Dent in one side, “like a bird stepped in it”
Korean lespedeza seed is shiny, black, and oval can see tiny veins in the seed pods
Tall fescue same size as perennial ryegrass dark straw-colored rachilla is knobbed flat seed
Ryegrass tan to brown narrow oblong flat rachilla, flat backed Tip is rounded
Timothy round to oval, like a football tan to grayish brown tiny- maybe hulled or hulless
Reed canarygrass light to dark grayish brown in color very glossy very sharply pointed
Kentucky bluegrass dark, straw-colored broadest point is in center
Smooth bromegrass brown to straw colored blunt, ragged “snowshoe” shape tip very flat with distinct veins showing on lemma
Orchardgrass light, straw-colored lemma ends in sharp curved point
Sudangrass elliptical, not round tan to reddish-brown no knobs on the rachilla
Durum wheat long kernel humped back amber color and translucent
Soft red winter wheat prominent brush rounded cheeks orange color
White wheat kernel is white to cream
Hard red winter wheat long, narrow kernel narrow cheeks dark brown color hard vitreous
Rye Greenish-gray in color Long & pointed on one end Seed coat has small scales
Barley Ridge on one side Tear-drop shaped plump
Oats Yellow, white, or red in color
Grain sorghum Color can range from white to dull orange Round or oblong shaped
Rice Long, narrow, and flattened Dark yellow color Ridges
Triticale Similar to wheat but has shriveled appearance
Flax Reddish brown in color Glossy Tear-drop shaped Flat
Crownvetch reddish-brown looks like sprinkles Hull is elongated
Soybean Rounded seed, can have a variety of colored hilums
Dent corn Yellow, white or red in color Broad end of kernel has a dent in the top Wedge-shaped
Popcorn Usually yellow or white in color, but can be blue Shriveled
Sweet corn Various colors Small and very hard Hard flinty outer covering around entire kernel
Canola Dark brown, black, or reddish in color Very small Hilum has 3 ridges
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