Category: Cytology

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

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…

Pollen Volume and Chromosome Content of Daffodils; Possibilities for hybridizing

Pollen Volume and Chromosome Content of Daffodils; Possibilities for hybridizing.pdf The text enclosed is no real detective story about daffodils and in any case a little more complicated. It is especially for other hybridizers and hybridizers to come. I composed…

DNA

Dear Daffneters, Could somebody please advise me if they are aware of any one using DNA profiling to determine the ‘ ancestory ‘ of daffodils. Also are there any references to this subject ? Hope you can assist, since i…

Seedlings 2

  This is ((Pontresina x (Edna Earl x Rahee)) x N. assoanus (NNA) with fertile pollen NA of one chromosome set N and one A from N. assoanus. I didn’t measure the flower diameter but I think it is a little smaller than 50…