ISHS Acta Horticulturae 177: IV International Symposium on Flower Bulbs
CHEMICAL CONTROL OF PENICILLIUM SP. ON TULIP BULBS USED FOR FORCING |
| Author: | L. Ondrušková |
| Abstract:
Under certain conditions the tulip bulbs used for forcing may be severely damaged by mechanical harvest and handling during storage. This may cause a high level attack of Penicillium resulting in bulb rot. During the 2 year trials two compounds were compared to control Penicillium: iprodion at 0.15 and 0.3% concn. and tributyltinoxide at 0.02 and 0.05 concn. 5°C tulip bulbs were treated by dipping 30 min. prior to planting. Significant differences were observed between 2 concns. used for both compounds tested. Higher concentrations showed better control without any negative effect on tulip rooting and flowering. Treated bulbs gave satisfactory flower yield compared to untreated. | |
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