Fertility

The fertility of species and named daffodils.

Autumn 17#6

There is no obvious boundary between autumn and winter here. It sure feels like winter. There were enough flowers to pick a bunch for a friend’s birthday. The bunch includes…

Click to read more »

Autumn 17#5

Bulbocodium season has now started. The first of the viridiflorus hybrids has just finished which means it has lasted over 2 weeks.               A…

Click to read more »

Evaluation of Seedlings

A question to hybridizers.  How do you evaluate your seedlings on a year when they have summer weather in February followed in March by three weeks of extreme cold and…

Click to read more »

Narcissus x litigiosus

February 28, 2017
By

  My best N. x litigiosus/ susannae (N. cantabricus x N. triandrus pallidulus) with about seven %  pollen fertility. Theo

Click to read more »

Crosses of tetraploid species with each other or with tetraploid standard daffodils

February 7, 2017
By

Most crosses of standard daffodils with diploid species and crosses between diploid species are infertile. If tetraploid species are used the descendants are fertile. Some more information you find within…

Click to read more »

Narcissus cantabricus crosses

February 2, 2017
By

   These two miniature daffodils are flowering in the greenhouse. The seedlings of both crosses often generate unreduced pollen. I shall try the first one out of doors this year…

Click to read more »