Blog Archives

Different seedlings of N. x xanthochlorus (N. cavanillesii x N. viridiflorus) are flowering

December 2, 2016
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The seedlings of N. x xanthochlorus should be fertile because they are allotetraploid. But some generate no viable pollen. Successful crosses with Maria Pia as the pollen parent were made.…

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N. cavanillesii crosses

November 24, 2016
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N. cavanillesii flowered three days after a heavy rain in southern Spain. Today, one month later I earned the seeds in the picture. The different pollen parents influence the size of…

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Unreduced ABC – Pollen from ABC – Narcissus Crosses

July 17, 2016
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The capital letters indicate different chromosome sets. One example for such a cross is N. cantabricus x Emerald Sea. The seedlings are composed of one chromosome set of Sea Dream…

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New tetraploid Narcissus jonquilla henriquesii

July 6, 2016
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N. jonquilla henriquesii has been transformed from diploid to tetraploid. The pollen volume of the tetraploid plant is about two times bigger than that of the diploid plant and the pollen…

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Some crosses with diploid tazettas and their fertility

June 18, 2016
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Crosses of different  diploid and tetraploid poeticus varieties with N. tazetta were made before 1906 and 1930 especially in the Netherlands from J.B. van der Schoot. To the first group…

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Hillstar x N. cyclamineus

June 5, 2016
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This is a better picture of Figure 3 (Hillstar x N. cyclamineus) of my article “Narcissus cyclamineus crosses and their fertility”. It is made in this spring at the field…

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