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Somewhere above Geoff noted that the unifoliate species all had chromosome counts around 40? In searching for this information I thought I saw some with lower counts, but am wondering if Geoff has a reference.Pessimistically, if the unifoliate species have very similar (or even the same) base chromosome count and their differences are because of differences within the genome, I think that means that flow cytometry will only be able to tell us when a plant is more than diploid. It couldn't help with hybrid status.Knowing that a plant was more than diploid with testing that was easier than manual chromosome counting would be an advance. However, we will need to do something more to deal with the hybrid issue if the different species have very similar chromosome counts.
Somewhere above Geoff noted that the unifoliate species all had chromosome counts around 40? In searching for this information I thought I saw some with lower counts, but am wondering if Geoff has a reference.
Pessimistically, if the unifoliate species have very similar (or even the same) base chromosome count and their differences are because of differences within the genome, I think that means that flow cytometry will only be able to tell us when a plant is more than diploid. It couldn't help with hybrid status.
Knowing that a plant was more than diploid with testing that was easier than manual chromosome counting would be an advance. However, we will need to do something more to deal with the hybrid issue if the different species have very similar chromosome counts.
