Ditylenchus destructor in the tubercle-seed imported from Netherlands ; Ditylenchus destructor em tubérculo-semente importado da Holanda

A serious pest of the potato, so far not yet known as occurring in Brazil, was found in a tuber of a lot of 3.000 boxes imported from Holland. It is Ditylenchus destructor, named in U.S.A. "the potato rot nematode" because it causes the decay of the tuber. In a careful study of the internal structure of this nematode the author carne to the conclusion that it is D. destructor. He observed under oil immersion lens 6 longitudinal striae of the lateral fields of this species, a very good differential characteristic from the species D. dipsaci. The attention of the Plant Quarantine Service is call... Mehr ...