The ear is the most reliable way to distinguish between cereals. But what if the plants are still young and all look the same? There’s a simple trick that helps.
In summer, it’s easy to tell cereals apart – even from a distance. The ear and its awns are useful indicators:
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Wheat: thick, square-shaped ears, usually without awns (except for bearded wheat).
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Barley: two-row or six-row ears, always with long, thin awns that give the fields a shimmering, wavy look.
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Rye: taller, bluish-green plants with shorter awns than barley.
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Triticale: a hybrid of rye and wheat – appearance depends on the variety.
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Oats: no ear, but rather branched panicles, making them easy to recognize.
Identifying young cereals: it all depends on the auricles
When plants are still young, differences aren’t obvious. However, one part of the plant can reveal the species – the point where the leaf meets the stem, specifically the auricles. These are small leaf-like outgrowths on both sides of the stem, and they look different depending on the crop.
How to recognize them:
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Barley: long auricles that fully wrap around the stem – as if hugging it.
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Wheat: shorter, fine-haired auricles – like eyelashes.
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Rye: short, smooth auricles, barely noticeable.
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Oats: no auricles – the leaf blade directly continues into the stem.
A helpful rhyme:
Barley hugs, Wheat flutters, Rye falls short, Oats have none.
Auricles also help identify grass weeds
This method can also be used to identify grass weeds before flowering.
For example, couch grass (Elymus repens) and ryegrass have auricles – couch grass has more pronounced ones.
On the other hand, blackgrass, wild oats, brome, annual meadow grass, and alopecurus don’t have auricles. In such cases, leaf shape and ligules help, often with the aid of a field guide.
