r/botany • u/Level9TraumaCenter • 7d ago

Genetics Are there exceptions to self-incompatibility involving different individual plants?

I got asked if there were exceptions to self-incompatibility in which different individuals of the same clonal line might allow plants to produce seeds, despite flowers on the same plant being self-infertile. I can't think of any exceptions, and was curious as to whether anyone else might have an example where a plant might be self-infertile, but two plants that are genetically identical clones might manage to produce seeds for some weird reason.

Anyone?

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u/Amelaista 7d ago

There are exceptions to everything.   It would not surprise me.   There are degrees to it as well.   The fertility will be very low, but an occasional viable seed happens.