Population densities of five migratory endoparasitic nematodes in carrot disk cultures.
Numbers of nematodes recovered per culture varied greatly among five species cultured on carrot disks. Radopholus similis and Pratylenchus vulnus showed the highest population densities, with 23,400-fold and 16,600-fold increases, respectively, in 90 days. Final populations of P. thornei and Zygotytenchus guevarai were similar but lower than those of R. similis and P. vulnus. The population of P. neglectus increased 74 times. Species with the greatest reproduction in this study reproduce sexually.
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