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Early stage of disease in fig roots induced by Xiphinema index


, : Early stage of disease in fig roots induced by Xiphinema index. Nematologia Mediterranea 11(2): 175-187

Root tips of fig (Ficus carica) grown in aseptic culture started to swell 8 h after penetration by X. index and the gall continued to grow after nematode removal. Cells observed under the electron microscope 2 h after the nematode had fed on them showed no pathological modifications. After 12 h there were distinct cellular alterations, while at 36 h there were many collapsed cells with the neighbouring cells showing plasmolysis, although the cytoplasm remained unaffected.

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