Science

This category is about the biology of daffodils and narcissus.

NNNX Crosses 1

June 10, 2011
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The pictures show  new seedlings of this spring from the following crosses: Symptom x Matador, Hillstar x Amadeus and Oregon Cedar x Emerald Sea. These crosses have 3 chromosome sets of standard daffodils…

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V05-02; Miniature Daffodil Grex

February 11, 2011
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V05-02 is a cross of: [(Petite Buerre x N. cyclamineus) x (N. assoanus x N. fernandesii)]. This has been a productive cross that has given progeny with a wide range…

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Seedlings 5

May 26, 2010
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Harold, John and All,   This year the first two seedlings of Regeneration x Emerald Sea flowered. The Emerald Sea from you, John, grows very well. This year I tried…

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Seedlings 4

May 25, 2010
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  The second picture is an older seedling of Honeybird x N. hedraeanthus (NHH). This year I found out, that it is fertile. It has unreduced pollen and gives with N. hedraeanthus…

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Seedlings 3

May 24, 2010
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Wilf and All,   Crosses of standard daffodils with N. tazetta patulus are possible, but I found till now only Ufo, Loch Coire and Actaea to produce some seeds. An…

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Seedlings 2

May 24, 2010
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  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…

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