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Re: apomictic? (fwd)






---------- Forwarded message ----------
Date: Tue, 23 Feb 1999 16:24:13 -0600
From: Thomas Mottl <MOTO_DO@t-online.de>
To: aroid-owner@mobot.org
Subject: Re: apomictic?

This message was submitted by MOTO_DO@t-online.de (Thomas Mottl) to list
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----------------------- Message requiring your approval -------------------=
---
Sender: MOTO_DO@t-online.de (Thomas Mottl)
Subject: Re: apomictic?

When apomitic seeds where produced, the genes get the chance to grow to a
mature plant maybe at  another place where maybe the chance to make sexual
propagation  is greater . When this happens for the apomitic generation the
motherplant reach the target to conserve her genes in nature life.

Thomas


-----Urspr=FCngliche Nachricht-----
Von: StellrJ@aol.com <StellrJ@aol.com>
An: moto_do@t-online.de <moto_do@t-online.de>
Datum: Dienstag, 23. Februar 1999 20:34
Betreff: Re: apomictic?


>In a message dated 2/23/99 7:42:43 AM Pacific Standard Time, dave-
>poole@ilsham.demon.co.uk writes:
>
>>  This way, it is perfectly possibly to get a true cultivar of a
>>  dessert orange for instance, from seed by selecting out and retaining
>>  the nucellar seedlings.  The difference in appearance is invariably
>>  quite marked and 'normal' seedling can be easily identified since it
>>  is usually considerably less vigorous.
>
>If the "normal" seedling is less vigorous than the apomictic ones--and
would
>therefore be at a competitive disadvantage to them--why does the plant
produce
>it?  Pollination/fertilization costs the plant energy, so why do it just t=
o
>produce a disadvantaged seedling?
>
>Jason Hernandez
>Naturalist-at-Large
>






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