Gametogenesis and reproduction of seven species of pratylenchus.

  title={Gametogenesis and reproduction of seven species of pratylenchus.},
  author={Jos{\'e} Rom{\'a}n and Apostolos Triantaphyllou},
  journal={Journal of nematology},
  volume={1 4},
Three bisexual Pratylenchus species, P. penetrans, P. vulnus and P. coffeae have n = 5, 6 and 7 chromosomes, respectively, and reproduce by cross-fertilization. The monosexual P. scribneri comprises two chromosomal and reproductive forms. One has n = 6 chromosomes and reproduces by meiotic parthenogenesis, the other has a somatic chromosome number of approximately 25 and reproduces by mitotic parthenogenesis. The monosexual species P. zeae, P. brachyurus and P. neglectus have somatic chromosome… CONTINUE READING
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