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tidusid
Citruholic
Joined: 25 Oct 2010
Posts: 71
Location: League City, 9A, South of Houston, TX
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| Posted: Wed 11 Apr, 2012 11:25 pm |
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I wonder what sort of mutation would have to occur in order for a blue or purple colored citrus fruit to occur?
Just fantasy, I know. It would be neat though. 
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MarcV
Moderator
Joined: 03 Mar 2010
Posts: 1470
Location: Schoten (Antwerp), Belgium
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pagnr
Citrus Guru
Joined: 23 Aug 2008
Posts: 407
Location: Australia
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| Posted: Thu 12 Apr, 2012 9:19 am |
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At first it sounds unlikely, because a blue pigment has to arise in the fruit. A lot of effort went in to developing a Blue Rose cultivar, by transfering blue pigment genes from other species into the rose plant. Not sure it was really ever successful?
On the other hand, purple new growth in leaves already exists in Rangpur,Lemon, C.hystrix and Citron, and some Citron fruit do have a purplish blush when young. so maybe its not so impossible ? |
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tidusid
Citruholic
Joined: 25 Oct 2010
Posts: 71
Location: League City, 9A, South of Houston, TX
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| Posted: Thu 12 Apr, 2012 10:33 am |
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| pagnr wrote: | At first it sounds unlikely, because a blue pigment has to arise in the fruit. A lot of effort went in to developing a Blue Rose cultivar, by transfering blue pigment genes from other species into the rose plant. Not sure it was really ever successful?
On the other hand, purple new growth in leaves already exists in Rangpur,Lemon, C.hystrix and Citron, and some Citron fruit do have a purplish blush when young. so maybe its not so impossible ? |
Yeah, that's partially what made me wonder. Those are some stacked odds though of that ever actually occurring. |
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tidusid
Citruholic
Joined: 25 Oct 2010
Posts: 71
Location: League City, 9A, South of Houston, TX
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| Posted: Thu 12 Apr, 2012 10:34 am |
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Lemandarangequatelo
Citruholic
Joined: 01 Mar 2010
Posts: 469
Location: UK
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| Posted: Thu 12 Apr, 2012 1:58 pm |
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It would be cool to cross a citrus with a blueberry. Get the blue colour and that extreme blueberry hardiness (Northsky Blueberry can take -50C). |
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MarcV
Moderator
Joined: 03 Mar 2010
Posts: 1470
Location: Schoten (Antwerp), Belgium
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| Posted: Thu 12 Apr, 2012 2:02 pm |
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...but isn't the "blue" of a blueberry not the deep purple-red of anthocyanin?
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Lemandarangequatelo
Citruholic
Joined: 01 Mar 2010
Posts: 469
Location: UK
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| Posted: Thu 12 Apr, 2012 2:17 pm |
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| MarcV wrote: | | ...but isn't the "blue" of a blueberry not the deep purple-red of anthocyanin? |
I have no idea my friend, no idea. |
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MarcV
Moderator
Joined: 03 Mar 2010
Posts: 1470
Location: Schoten (Antwerp), Belgium
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| Posted: Thu 12 Apr, 2012 2:20 pm |
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| Lemandarangequatelo wrote: | | MarcV wrote: | | ...but isn't the "blue" of a blueberry not the deep purple-red of anthocyanin? |
I have no idea my friend, no idea. |
...because in that case a "blue" orange exists and is called a "blood orange"!
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Lemandarangequatelo
Citruholic
Joined: 01 Mar 2010
Posts: 469
Location: UK
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| Posted: Thu 12 Apr, 2012 2:37 pm |
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| MarcV wrote: | | ...because in that case a "blue" orange exists and is called a "blood orange"! |
Aaaah I see! Problem solved then!
We still need to do a blueberry/citrus hybrid though for that -50C cold tolerance  |
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MarcV
Moderator
Joined: 03 Mar 2010
Posts: 1470
Location: Schoten (Antwerp), Belgium
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| Posted: Thu 12 Apr, 2012 2:57 pm |
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| Lemandarangequatelo wrote: | | MarcV wrote: | | ...because in that case a "blue" orange exists and is called a "blood orange"! |
Aaaah I see! Problem solved then!
We still need to do a blueberry/citrus hybrid though for that -50C cold tolerance |
Now that would really be something great! 
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