Cytology

This is about the study of narcissus cells and includes chromosome work, molecular genetics, biochemistry, pollen size and shape, etc,.

Pollen in the freezer

January 9, 2010
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The pollen in the pictures is from N. bulbocodium, Emerald Sea, N. assoanus and N. fernandesii.It was in the freezer since 2006. It is to be seen, that many polllen…

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Brandham article in RHS Yearbook

November 9, 2009
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Hi again, I received my copy of the RHS Yearbook today. It makes very interesting reading. I was particularly interested in an article by Peter Brandham regarding the classification of…

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inbreeding

INBRREEDING There is some misunderstanding about inbreeding Most diploid organism have so called bad or even lethal genes As long as these are complemented by a good gene ( are…

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DnA content of all species of narcissi..

Hello Daffodil enthusiast For those interested; The following link contains a paper on all species of narcissi .Happy reading. (Thanks Nancy) http://daffodilusa.com/references/references.html#research Ben J.M.Zonneveld Nationaal Herbarium Nederland POBox 9514 2300…

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Looking at pollen (2)

December 18, 2008
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The same speculations made for fertile NNJ can be done for NNTr, for example Silver Bells, which is fertile and I think in many cases forms NTr-Pollen and egg cells. Equivalent crosses as with NNJ…

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Looking at pollen (1)

December 18, 2008
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A warning at the beginning.The following text will  be a horror for  normal daffodil freaks. It is for younger hybridizers only, perhaps up to an age of 80, because the results…

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