ISHS Acta Horticulturae 63: I International Symposium on Floriculture Plant Breeding and Genetics
ARTIFICIAL CHROMOSOME DOUBLING IN NARCISSUS AND ITS IMPLICATION FOR BREEDING N. TAZETTA HYBRIDS |
| Author: | C. North |
| Abstract:
'Twin scale' portions of bulbs of Narcissus x poetaz cultivars (n = 17 or 24) were treated with 0.1% colchicine placed as a drop between the scale portions where they join the base plate. From 26 bulbs, 25 bulbils with double the chromosome number of the original cultivars were obtained, representing 3.8% of the total number of treated scales. | |
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