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Two isolates of Meloidogyne spp. from two districts (Thrace and Crete) of Greece have been identified as M. arenaria and M. incognita using perineal patterns and esterase phenotypes. A selection procedure on resistant tomato with the Mi gene in pots revealed in each of them the presence of a virulent M. javanica isolate, not detected previously, that reproduced successfully on a resistant tomato while...
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