Fertility

The fertility of species and named daffodils.

Canberra early May

Thanks everyone for the the show reports and pictures. We’ve had the first couple of touches of frost here. N. viridiflorus is flowering as are some of its second generation…

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Chinese Sacred Lily (N. tazetta var chinensis) seeds…

March 12, 2015
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Yes, you can look at all the articles coming out of China and elsewhere, on how hopelessly sterile this variety is. But, thanks to the wonders of significantly warmer temperatures…

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The triploid Grand Soleil d’Or generates 2n pollen

February 11, 2015
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I have some Grand Soleil d’Or flowering and found much pollen on the anthers from which about 10 % sprouted. This result is astounding because the plant is triploid and most triploids…

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N. jonquilla minor x N. elegans

January 21, 2015
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  Today I crossed these two plants to get nice seedlings. Some of these shall produce unreduced pollen which can be of great interest for combining them with tetraploid standard daffodils. A project for…

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Crosses of viridiflorus hybrids with the diploid N. cantabricus

January 13, 2015
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    Crosses of viridiflorus hybrids like Emerald Sea with the diploid N. cantabricus from Spain near Puertollano are easy to realize and grow well in my greenhouse. The bulbs multiplicate  better than …

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The fertility of autotriploid and allotriploid daffodils

December 6, 2014
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For these daffodils fertility theoretically should not exist  or be rare, but in reality we find many fertile plants. Poeticus hellenicus (from Carlos van der Veek) for example is autotriploid and with…

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