Science

This category is about the biology of daffodils and narcissus.

Need Help Understanding N. c. monophyllus

January 15, 2013
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I’m trying to understand N. cantabricus ssp. monophyllus. I love it for its crystalline whiteness and well balanced perianth segments. The bulbs that I have came from bulbs from Michael Salmon…

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5th Daffodil Supplement

January 14, 2013
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Dear All, Good morning and Happy New Year, from (slightly) snowy Wisley. Just a quick message to let you know that the 5th Daffodil Supplement is now available. Apologies for…

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N. panizzianus vs. N. pachybolbus

Over the years we have had quite a bit of argument between these two small flowers that are often considered to be subspecies of N. papyraceus.  This is the first…

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Pollen Volume and Chromosome Content of Daffodils; Possibilities for hybridizing 2

January 1, 2013
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I have some new results for pollen volumes and chromosome contents of daffodils as a pdf-document. The results are integrated into my paper from February 2012. Perhaps some hybridizers may…

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Looking at Pollen

December 8, 2012
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Harold, The two bigger pollen grains of your photo could be viable and perhaps unreduced or unreduced and doubled. The method of causing the pollen to sprout, and examining it under a microscope…

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Verdant Sparks Pollen

December 7, 2012
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Here is a picture of ‘Verdant Sparks’ pollen.  Perhaps Theo can give us an opinion if it might be fertile from just looking at it. I would expect it to…

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