Preparation of Meloidogyne javanica near-isogenic lines virulent and avirulent against the tomato resistance gene Mi and preliminary analyses of the genetic variation between the two lines.

Abstract excerpt

Meloidogyne javanica, reproducing by mitotic parthenogenesis, is an economically important pathogen of a wide range of crops. A pair of near-isogenic lines virulent and avirulent toward the tomato resistance gene Mi were prepared for M. javanica by continuously selecting an avirulent population on the resistant tomato cultivar Momotaro over 19 generations. Random amplified polymorphic DNA (RAPD) analysis with 102...

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