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 as well as seed from the Archibald’s. Both bulbs and…
Category: Science
This category is about the biology of daffodils and narcissus.
5th Daffodil Supplement
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 the delay. I’m hoping that the next one will be…
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 time I have had them flowering at the same time…
Pollen Volume and Chromosome Content of Daffodils; Possibilities for hybridizing 2
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 be interested. Pollen Volume and Chromosome Content of Daffodils; Possibilities…
Looking at Pollen
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 has been described by Lawrence Trevanion in “A Look at…
Verdant Sparks Pollen
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 be triploid. Theo do you have a recipe for germinating…