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Plumule

Definition

noun

(1) (botany) The bud of a young plant; the portion of the plant embryo giving rise to the first true leaves, especially above the cotyledons.

(2) (zoology) A down feather.


Supplement

Word origin: From Latin plumula, diminutive of pluma "feather".

See also:

Compare: radicle


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is this the radicle or plumule for a dwarf bean?(pic inside)

Radicle will be white in colour and you can observe root hairs even with a hand lens. It will try to grow towards gravity. Perpendicular to it, plumule will emerge and soon turn green (if you are exposing it to light). BTW, which seeds have you planted? From your fig. they look like beans.

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by anjalik
Sat Oct 03, 2009 11:51 am
 
Forum: Botany Discussion
Topic: is this the radicle or plumule for a dwarf bean?(pic inside)
Replies: 8
Views: 6610

is this the radicle or plumule for a dwarf bean?(pic inside)

in accordance to my experience with maize, yes, I think, the radicle emerges always first. Sometimes, it's already quite long, while the plumule didn't emerge yet.

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by JackBean
Fri Oct 02, 2009 10:29 am
 
Forum: Botany Discussion
Topic: is this the radicle or plumule for a dwarf bean?(pic inside)
Replies: 8
Views: 6610

is this the radicle or plumule for a dwarf bean?(pic inside)

hi everyone. i am currently growing seeds for a germination practical and we are meant to record the length of the plumule and radicle. however, i cannot distinguish between the plumule/radicle with the current seeds i am growing. i read somewhere that the radicle is meant to emerge ...

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by MohammedA
Wed Sep 30, 2009 2:34 pm
 
Forum: Botany Discussion
Topic: is this the radicle or plumule for a dwarf bean?(pic inside)
Replies: 8
Views: 6610

develpoment

... this development occurs prior to seed dispersal: the embryonic root, or radicle, usually grows toward the micropyle; the embryonic bud, called plumule, or epicotyl, is at the end of the embryo opposite to the radicle; the embryonic stem, or hypocotyl, connects the radicle with the seed leaves, ...

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by daniel.kurz
Sat May 27, 2006 1:37 am
 
Forum: Botany Discussion
Topic: develpoment
Replies: 1
Views: 2464

Marrowfat Peas

... the peas twice a day (morning and evening), I'd advise you to bring them home. Write down any changes to the peas. Note when the radical and plumule first appear, as well as any secondary roots. 5. After a set amount of time organise your findings and try and decide what's relevant to the ...

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by Avoque
Sat Apr 01, 2006 12:44 pm
 
Forum: Botany Discussion
Topic: Marrowfat Peas
Replies: 51
Views: 41736
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