ISHS Acta Horticulturae 109: III International Symposium on Flower Bulbs
CONSEQUENCES AND CONTROL OF LATENT FUSARIUM OXYSPORUM INFECTIONS IN TULIP BULBS |
| Authors: | B.H.H. Bergman, M. A.M. Bakker-van der Voort |
| Abstract:
Latent infections by Fusarium oxysporum f. sp. tulipae can be induced in the laboratory, but are also found frequently in naturally infested stocks. These infections may occur as frequently in resistant cultivars as in susceptible cultivars, but the offspring of the former will in general be healthy, whereas those of susceptible cultivars often become diseased. Latent infections in the outer bulb scale are not detrimental when bulbs are used for flower forcing in the winter. Control of latent infections by bulb disinfection before planting proved to be insufficiently effective. Heat treatment of the dry bulbs killed the latent pathogen, but may damage the bulbs if not applied properly. | |
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