This is about the relationship between flower structure and pollination efficiency. It also includes reproductive costs and success.
Narcissus tazetta has a few Autumn blooming varieties from dry Mediterranean areas that bloom when the first rains arrive in the fall and winter, these varieties don’t need a winter chill in order to bloom like most Narcissus. My Autumn…
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 belong Jaune a Merville and Geranium with seven chromosomes from…
It has been a cold frosty winter here and many flowers are later than usual. The tazettas in the field are miserable. The paperwhites are miserable too but they seem a little more hardy. The viridiflorus hybrids in the field…
This spring I found many diploid pollen grains on one plant of Hawera and three plants of Fairy Chimes. These species hybrids were transformed with Oryzalin from diploids to tetraploids or mixoploids. More information you will find in the PDF file The…
Yes, you can look at all the articles coming out of China and elsewhere, on how hopelessly sterile this variety is. But, thanks to the wonders of significantly warmer temperatures here in recent years, and my discovery that with otherwise…
If any breeders out there want to make some fertile tazetta hybrids with regular daffodils, these should be ideal. Right now I have collected an excess of pollen from several clones of (Autumn Colors x my hexaploid conversion of “Chinese…