Mammillarias that doesn't set fruits (carmenae and longiflora)

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mmcavall
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Location: São Carlos - SP, Southeast Brazil, Cerrado Region

Mammillarias that doesn't set fruits (carmenae and longiflora)

Post by mmcavall »

I have successfully pollinated my Mammillarias and harvested the seeds.
However, two species doesn't have produced fruits until now: M. carmenae and M. longiflora.
Is there any trick with these species?

(I'm aware that clone plants will not produce seeds even when cross pollinated. But this is not the case. The plants were grown from seed, they are not clones).
Thanks for any comments!
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MikeInOz
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Re: Mammillarias that doesn't set fruits (carmenae and longiflora)

Post by MikeInOz »

The carmenae and the longiflora might be self incompatible. They may need pollen from another unrelated plant. I obtained seeds last year from crossing 2 red-spined ''carmenae'' with each other but they were siblings. There were very few seeds in the fruit though. I did the same the with two longifloras this year and I'm pretty sure there are pods forming.
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mmcavall
Posts: 1313
Joined: Tue May 17, 2016 11:54 pm
Location: São Carlos - SP, Southeast Brazil, Cerrado Region

Re: Mammillarias that doesn't set fruits (carmenae and longiflora)

Post by mmcavall »

MikeInOz wrote: Tue Jan 12, 2021 4:44 am The carmenae and the longiflora might be self incompatible. They may need pollen from another unrelated plant. I obtained seeds last year from crossing 2 red-spined ''carmenae'' with each other but they were siblings. There were very few seeds in the fruit though. I did the same the with two longifloras this year and I'm pretty sure there are pods forming.
Thanks Mike.
Maybe I didn't made it clear but I have about 5 plants of each species, and cross pollinated them, but had no fruits yet. (I didn't tried to self pollinate them).
My plants were grown from seeds from ADBLPS. I have no idea if they are all seeds from the same individual. Let's suppose that they are, so my plants are half-brothers. When you say "unrelated plant" are you meaning that as half-brothers (for example) they are too closely related , so a more distant "relative" would be necessary?
That's an interesting hypothesis.
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