Fertility

The fertility of species and named daffodils.

The generation of fertile allotetraploid hybrids of narcissus species by chromosome doubling

June 21, 2015
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This spring I found many diploid pollen grains on one plant of Hawera and three plants of Fairy Chimes. These species hybrids were transformed with Oryzalin from diploids to tetraploids or…

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Danger Zone 2W-P

Hello everyone A few years ago I was given a ‘starter pack’ of bulbs when I joined my local Daffodil Society.  One of the bags was of ‘Nynja’ 2Y-Y.  The…

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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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