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 it outside for the first time. Because of the strong…
Seedlings 5
Category: Pollination
This is about the relationship between flower structure and pollination efficiency. It also includes reproductive costs and success.
Seedlings 4
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 (HH) allotetraploid daffodils of the type NNHH which are fertile.…
Seedlings 3
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 extraordinary high number of these seedlings has fertile pollen. This…
Seedlings 1
All, This spring I made some new observations concerning fertility of crosses between standard daffodils and species. Tetraploid standard daffodils with four chromosome sets (NNNN) crossed with diploid species for example jonquils (JJ) give an allotriploid plant with NNJ, which should…
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 in a heterozygous condition) there is nothing wrong ( usually…
Looking at pollen(3)
In December 18, 2008 I send two e-mails to Daffnet with the titles ‘Looking at pollen (1)’ and ‘Looking at pollen (2)’. I reported that some daffodils, which should be infertile because of their special chromosome constitution, were found to…