ISHS Acta Horticulturae 109: III International Symposium on Flower Bulbs
TULIP BULBS GROWN ON RATTLE VIRUS INFECTED SOIL |
| Author: | A. Thomsen |
| Abstract:
In field experiments carried out on a rattle infected sandy soil, tulip bulbs were planted at depths of 7.5 cm and 15 cm respectively. After the growing season and harvesting, the bulbs were planted in a healthy field for further investigation. The results here showed that the spreading of tobacco rattle virus was most widely spread in the bulbs grown at a greater depth. The experiments were carried out without artificial watering. Due to the virus vector (Trichodorus spp.) depending on the moisture in the soil, the virus spread in general was most severe in years with heavy rainfall. | |
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