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Svenska Saintpauliasällskapet • Visa tråd - Sport?

Svenska Saintpauliasällskapet

Forum för det som rör föreningen, saintpaulior och vår hemsida.
Aktuellt datum och tid: 2019-10-19, lör, 12:50

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Ny tråd Svara på tråd  [ 5 inlägg ] 
Författare Meddelande
 Inläggsrubrik: Sport?
InläggPostat: 2004-12-10, fre, 13:07 
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I knopp!

Blev medlem: 2004-11-20, lör, 09:37
Inlägg: 45
Ort: Esbo, Finland
Undrar nu verkligen, finns det någon skillnad mellen sport och mutant? Hittade ingen förklaring i nettet. Om saintpaulian sportar så blir den verkligen som någon av sina förfäderna (se under rubrik identifieringhjälp)? Trodde att sport var samma sak som mutant, alltså ny genetisk variant? Om inte, vad är det som händer? Kan någon förklara?


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InläggPostat: 2004-12-10, fre, 20:58 
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I knopp!

Blev medlem: 2004-12-07, tis, 21:56
Inlägg: 45
Ort: Åby utanför Norrköping
Jag kan inte säga att jag vet, men jag tror att det är såhär:

Sport= återgång till föräldragenerationens utseende

Mutant= ny egenskap som inte finns hos föräldarna uppstår.

Är det någon mer kunnig som kan bekräfta eller dementera.

_________________
mvh

Martin


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InläggPostat: 2004-12-11, lör, 00:38 
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Vinnare av pokal!

Blev medlem: 2004-11-16, tis, 14:08
Inlägg: 179
Ort: Töreboda
Hejsan!

Hittade detta på nätet - nu blir det mycket engelska :?

Hoppas det är till någon hjälp!

http://experts.about.com/q/742/1788738.htm

Now to your violet. It is not uncommon for violets to "sport". In other words, your white violet puts up a purple blossom, or pink blossom or some other color. When the hybridizer created your particular variety, they cross pollinated two violets--more than likely, one of them was purple. So your violet has reverted back to one of its parents. Will it go completely purple? That's a good possibility. Why? Well some are just more "unstable" than others. I would guess the plant you bought was probably an Optimara violet. Optimara violets are grown by a huge commercial grower in Nashville, Tenn. It was started by the Holtkamp family when they were in Germany. Eventually they came to this country and the family has carried on with violets for years and years. They are the biggest (or at least one of the biggest) commercial violet hybridizers and growers in the nation. They produce plants for the home grower that uses window light. Folks like me that have 10 lighted plant stands and a big room grow for show--I do grow Optimara violets---some of their plants make great show plants. However, when I do get one, I figure it has at least a 50% chance of sporting to a different color. That makes it not blooming true so I couldn't show it under the name the Holtkamps have given it because the plant would not match the description they gave to the African Violet Society of America to register it. Complicated I know but that's the rules--and since I'm also an African Violet judge, I have to know those rules. When a violet sports to a different color, it doesn't mean you have done anything wrong. Although environment can be a factor, it is more likely that the plant is just not stable. Sometimes you get pretty interesting color combinations from the plant that sports--sometimes it will change colors and never go back to the original color. In fact, all the plants that I have grown that sported never went back to the original color. You never know what you'll wind up with sometimes.


På Optimaras website kan vi läsa:

http://www.optimara.com/optimaraglossary/mis-mvl.html

Sport: Also called mutant. A spontaneous mutation. An African Violet which has physical characteristics that are markedly different from its parent plant.

Mutant: See Sport.

Mutation: Describes an African Violet or part of an African Violet which exhibits physical characteristics indicative of a genetic change in that variety. The genetic change may either be induced, as occurred during the Space Violet program, or it may be spontaneous, which simply means that the cause of the change is unknown. When propagating by leaf, approximately one out of every 100 leaves will produce a mutation. Also see Sport.


___________________________________

Vänliga Hälsningar
Anneli - Töreboda


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InläggPostat: 2004-12-11, lör, 01:30 
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Vinnare av pokal!

Blev medlem: 2004-11-23, tis, 15:05
Inlägg: 106
Ort: Frövi
Tack för de länkarna Anneli!
Mycket intressant. Då är det väl utrett att sport är samma sak som en mutation, då det kan bli vad som helst, om jag fattat rätt.
Något helt annat är ju när man korsar två plantor genom att ta frön. Då ska det väl följa ärftlighetens lagar vilka också är ganska invecklade med dominanta och recessiva gener.
Här är en länk där man kan läsa mer genetik:
http://www.rosebudm.com/lavg/lavg_hybri ... iolets.htm.
MVH Margaret


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InläggPostat: 2004-12-11, lör, 17:31 
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I knopp!

Blev medlem: 2004-11-20, lör, 09:37
Inlägg: 45
Ort: Esbo, Finland
Jag tackar också för information! Blev så förvirrad, men tror att jag förstår nu. Jätteintressant.


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