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Offlinegrod31
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Registered: 12/23/09
Posts: 769
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Back crossing F1 autoXphoto plants
    #662333 - 03/14/13 11:28 AM (11 years, 17 days ago)

Okay, does this make sense in regards to crossing back to the original auto seed stock?
A= dominate auto traits P/photosensitive
+/-a small %

AxP=100%P with 50% recessive a
AxPa=75%A with 25% recessive p
at this point 75% +/- will be auto-flowers, i could from that point continue to cross back to the original A or selectively breed Ap X Ap for another 3 gens(at least 95% auto) to keep more of the original P in there.


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InvisibleMagashM
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Registered: 04/21/08
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Re: Back crossing F1 autoXphoto plants [Re: grod31]
    #662373 - 03/14/13 07:12 PM (11 years, 17 days ago)

Quote:

grod31 said:
Okay, does this make sense in regards to crossing back to the original auto seed stock?
A= dominate auto traits P/photosensitive
+/-a small %

AxP=100%P with 50% recessive a
AxPa=75%A with 25% recessive p
at this point 75% +/- will be auto-flowers, i could from that point continue to cross back to the original A or selectively breed Ap X Ap for another 3 gens(at least 95% auto) to keep more of the original P in there.




Should work on paper but after crossing back to the original A you'll loose what you were hoping to gain from the P. I'd go Ap X Ap till you found what you wanted and I mean exactly what you wanted taste, high, yadda yadda then make feminized seed stock from the plant picked. :wink:

That will get you closest to getting all the traits you want in seed form the fastest and get rid of those males at the same time. :happyweed:


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Offlinebudgrowerwannabe
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Registered: 01/28/12
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Re: Back crossing F1 autoXphoto plants [Re: Magash]
    #662375 - 03/14/13 08:09 PM (11 years, 17 days ago)

Quote:

Magash said:
Quote:

grod31 said:
Okay, does this make sense in regards to crossing back to the original auto seed stock?
A= dominate auto traits P/photosensitive
+/-a small %

AxP=100%P with 50% recessive a
AxPa=75%A with 25% recessive p
at this point 75% +/- will be auto-flowers, i could from that point continue to cross back to the original A or selectively breed Ap X Ap for another 3 gens(at least 95% auto) to keep more of the original P in there.




Should work on paper but after crossing back to the original A you'll loose what you were hoping to gain from the P. I'd go Ap X Ap till you found what you wanted and I mean exactly what you wanted taste, high, yadda yadda then make feminized seed stock from the plant picked. :wink:

That will get you closest to getting all the traits you want in seed form the fastest and get rid of those males at the same time. :happyweed:



Dam :congrats: Thats my ultimate Goal!!!!!

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Offlinegrod31
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Registered: 12/23/09
Posts: 769
Last seen: 2 years, 1 month
Re: Back crossing F1 autoXphoto plants [Re: budgrowerwannabe]
    #662408 - 03/15/13 08:44 AM (11 years, 16 days ago)

cool. My ultimate goal Is to acquire the original auto seeds in regular form (only sold fem)
Any genes from the original P would only be a bonus.
I don't want to cross an auto to the new auto as to not dilute its "super auto" gene pool.
<--- Super cali haze auto.
i am going to use a female super cali haze(auto) X male Sdog
then use a male from those F1's to back cross to Super Cali haze.
then i will start to stabilize.

the known genetics that will be in this cross are
Blueberry
Chemdawg #4
Colombia
KC 606
Nevilles Haze
Norther lights#5
OG Kush}
Pakistan Kush
Sour Diesel
Thailand Lemon Thai
Unknown Ruderalis
Unknown Sativa Dom Afghan
M.I.R.A.G.E.S
My.Indica.Ruderalis.Afghanica.Genetic.Equillibruim.Sativa induced

i want these seed more this summer then i do buds.Hopefully buy June ill be on the way to make the F2's

one more question the f1's from the first cross. They re all photosensitive(+/-) a small percent.
will the potency/ flower time be reduced? or would that not show till F2

Edited by grod31 (03/15/13 10:06 AM)

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