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Paf
Joined: 15 Nov 2007
Posts: 22
Location: France
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| Posted: Fri 30 Nov, 2007 7:40 pm |
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Hi,
Who are the clones ? (nucellar plants)
Citrus paradisi 'Sweetie' :
 
A)
 
B)
 
C)
Nucellar plant in :
A) ?
B) ?
C) ?
For me :
A) b
B) b
C) a
Thx
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Malcolm_Manners
Citrus Guru
Joined: 13 Nov 2005
Posts: 676
Location: Lakeland Florida
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| Posted: Sat 01 Dec, 2007 3:51 am |
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From a grapefruit they likely all are clonal. Normally, the zygotic (sexual) embryo dies out before seed maturity, leaving only the nucellar embryos. |
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Paf
Joined: 15 Nov 2007
Posts: 22
Location: France
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| Posted: Sat 01 Dec, 2007 7:17 am |
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| Malcolm_Manners wrote: | | From a grapefruit they likely all are clonal. Normally, the zygotic (sexual) embryo dies out before seed maturity, leaving only the nucellar embryos. |
Hi,
If you are sure...
But I have serious doubts...
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Paf
Joined: 15 Nov 2007
Posts: 22
Location: France
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| Posted: Mon 03 Dec, 2007 3:06 pm |
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Hi,
This topic is not very active 
Who can explain the polyembryonic for C. paradisi, C. maxima and C. paradisi x C. maxima..?
Thx
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Laaz
Site Owner
Joined: 12 Nov 2005
Posts: 5679
Location: Dorchester County, South Carolina
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| Posted: Mon 03 Dec, 2007 3:20 pm |
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C. maxima (Pumelo) is monoembryonic not polyembryonic. The cross C. paradisi x C. maxima may have both monoembryonic and polyembryonic seeds, I have never tried them.
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Paf
Joined: 15 Nov 2007
Posts: 22
Location: France
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| Posted: Mon 03 Dec, 2007 3:24 pm |
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From the pictures, what are the clones, for you ?
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jjp
Citruholic
Joined: 27 Apr 2006
Posts: 55
Location: Corsica
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| Posted: Mon 03 Dec, 2007 3:43 pm |
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I never tried to indentify zygotics and nucellars at this step : I prefer to make grow all the plants, and eliminate all bigger and smaller ones. But as Malcolm_Manners says, most of the zygotics has already probably died.
Most of Smaller plants on your pictures are probably not zygotics. They are smalls only because they has had to fight with the others for water and nutriments. |
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Paf
Joined: 15 Nov 2007
Posts: 22
Location: France
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| Posted: Mon 03 Dec, 2007 4:15 pm |
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| jjp wrote: | I never tried to indentify zygotics and nucellars at this step : I prefer to make grow all the plants, and eliminate all bigger and smaller ones. But as Malcolm_Manners says, most of the zygotics has already probably died.
Most of Smaller plants on your pictures are probably not zygotics. They are smalls only because they has had to fight with the others for water and nutriments. |
Agreed:)
Thank you.
I also have some strange plants. I will post pictures
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Paf
Joined: 15 Nov 2007
Posts: 22
Location: France
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