What is awned wheat?
Wheat has a spike type inflorescence that is golden brown when ready for harvest. Some wheat varieties have awns while others do not. The awns are the long, thin structures that extend from the lemma and give the wheat heads a bearded appearance. Most wheat grown in Indiana is of the non-bearded or awnless type.
What is an awn grain?
noun Botany. a bristlelike appendage of a plant, especially on the glumes of grasses. such appendages collectively, as those forming the beard of wheat, barley, etc. any similar bristle.
What is the purpose of awns?
Awns can be considered an alternative target for the improvement of wheat grain yield through their known functions, including photosynthesis, carbohydrate storage and increased water-use efficiency (Weyhrich et al., 1995).
What are plant awns?
In botany, an awn is either a hair- or bristle-like appendage on a larger structure, or in the case of the Asteraceae, a stiff needle-like element of the pappus. Awns are characteristic of various plant families, including Geraniaceae and many grasses (Poaceae).
Where is awn found?
Awns are characteristic of various plant families, including Geraniaceae and many grasses (Poaceae).
What is Glume in wheat?
In botany, a glume is a bract (leaf-like structure) below a spikelet in the inflorescence (flower cluster) of grasses (Poaceae) or the flowers of sedges (Cyperaceae).
What is Awnless rice?
Awned (left) and awnless (right) varieties of paddy Awns, spicule-like structure that are formed on the top of the lemma in the florets (Toriba and Hirano, 2014), are important domestication and agronomic traits in rice that conferred by polygenes and the environment (Ben et al., 2016).
What is lodging in Paddy?
Lodging is the bending over of the stems near ground level of grain crops, which makes them very difficult to harvest, and can dramatically reduce yield.
What are awns in grasses?
Awns on the fruit of an Australian species of grass. In botany, an awn is either a hair- or bristle-like appendage on a larger structure, or in the case of the Asteraceae, a stiff needle-like element of the pappus. Awns are characteristic of various plant families, including Geraniaceae and many grasses (Poaceae).
How do emmer wheat awns self-cultivate?
The awns of wild emmer wheat spikelets effectively self-cultivate by propelling themselves mechanically into soils. During a period of increased humidity during the night, the awns of the spikelet become erect and draw together, and in the process push the grain into the soil.
What is the meaning of awned grass?
awned- having awns i.e. bristlelike or hairlike appendages on the flowering parts of some cereals and grasses; “awned wheatgrass” awny awnless- lacking or having only very short awns; “awnless bromegrass”
What does awned mean in botany?
Botany A slender bristle, especially one at the tip of a glume or lemma in a grass spikelet. awned adj. awn′less adj. American Heritage® Dictionary of… Awned – definition of awned by The Free Dictionary