ISHS Acta Horticulturae 570: VIII International Symposium on Flowerbulbs
NARCISSUS TAZETTA: BORON DEFICIENCY AS A CAUSE OF FLOWER DISTORTION |
| Author: | A. Tompsett |
| Keywords: | melting, soil boron, tissue analysis, cultural practices |
| Abstract:
A previously un-attributed defect in the flowers of Narcissus tazetta, known locally in South-west England as “melting”, is described. Soil and plant tissue analyses supported by field trials carried out on Narcissus tazetta “ Grand Soleil d’Or” in the Isles of Scilly indicate that the cause of this particular defect is boron deficiency. Factors influencing the availability of boron in the soil, relevant cultural practices and the incidence of “melting” in commercial flower crops are discussed. | |
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