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单词 awn
释义

Definition of awn in English:

awn

noun ɔːnɔn
Botany
  • A stiff bristle, especially one of those growing from the ear or flower of barley, rye, and many grasses.

    Example sentencesExamples
    • Notably lacking are spikelet fragments, chaff, awns, pods, and weed seeds that comprise the debris from processing such crops for storage or from using dung as fuel.
    • Just before the fruit matures, it changes from green to brown and the awns separate from the central axis to disperse the seeds.
    • Periodically inspecting your dog for fleas, ticks, grass awns and barbs is also a good idea.
    • Such traits include a long awn; short, thick grains; photoperiod sensitivity; and low productivity.
    • Phenotypic traits include barbed lemmas, small sterile lateral spikelets, short glume awns, narrow leaves, semismooth awns, and long rachilla hairs.

Derivatives

  • awned

  • adjective
    Botany
    • In segregating F 2 populations, we registered the number of awned, awnless, and short-awned plants.
      Example sentencesExamples
      • The B genes act as awn inhibitors, A acts as awn promotors, b 1 a leads to half awned condition and Hd gives hooded condition.
      • WSU reports characteristics as awned with white glumes, excellent winter hardiness, and stiff straw.
      • The monosomic F 1 of the cross between monosomic 6B of CS and Norin 26 (awned cultivar) was awned, by which I could correctly capture b2.
      • The first morphological difference that arises between the lemma primordia of awned and calcaroides genotypes is marked by a change in the overall length of the organ.

Origin

Old English, from Old Norse ǫgn; related to Swedish agn, Danish avn.

 
 

Definition of awn in US English:

awn

nounônɔn
Botany
  • A stiff bristle, especially one of those growing from the ear or flower of barley, rye, and many grasses.

    Example sentencesExamples
    • Notably lacking are spikelet fragments, chaff, awns, pods, and weed seeds that comprise the debris from processing such crops for storage or from using dung as fuel.
    • Periodically inspecting your dog for fleas, ticks, grass awns and barbs is also a good idea.
    • Such traits include a long awn; short, thick grains; photoperiod sensitivity; and low productivity.
    • Just before the fruit matures, it changes from green to brown and the awns separate from the central axis to disperse the seeds.
    • Phenotypic traits include barbed lemmas, small sterile lateral spikelets, short glume awns, narrow leaves, semismooth awns, and long rachilla hairs.

Origin

Old English, from Old Norse ǫgn; related to Swedish agn, Danish avn.

 
 
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更新时间:2024/12/22 17:05:00