Abstract
During the growth season young bulbs may become infected byBotrytis tulipae via the infections present on scales of the planted bulb and from plant stems or by conidia washed down from leaf spots. During storage, infection can only occur after wound inoculation or when bulbs are stored at 100% relative humidity for some days immediately after lifting.
There are no perceptible variations in susceptibility or sensitivity of the bulb tunic during growth, whereas the sensitivity of the outer scale is more pronounced during the first weeks after flowering. During storage, the sensitivity of the scale tissue tends to increase in October and November.
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Doornik, A.W., Bergman, B.H.H. Infection of offspring tulip bulbs by Botrytis tulipae during the growth period and after lifting. Netherlands Journal of Plant Pathology 81, 217–225 (1975). https://doi.org/10.1007/BF01976472
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DOI: https://doi.org/10.1007/BF01976472