Differential Sensitivity of Meloidogyne spp. and Heterodera glycines to Selected Nematicides

Authors

  • T. R. Gourd
  • D. P. Schmitt
  • K. R. Barker

Abstract

Differential sensitivity of Meloidogyne arenaria, M. hapla, M. incognita, M. javanica, and Heterodera glycines races 1 and 5 to the nonfumigant nematicides aldicarb, ethoprop, and fenamiphos was evaluated using a 48-hour root-penetration bioassay. Generally, H. glycines was more tolerant of the nematicides, especially ethoprop, than were the Meloidogyne species. Among Meloidogyne species, M. incognita was most sensitive to aldicarb and fenamiphos, but its reaction to ethoprop was similar to the other three Meloidogyne species. Key words: aldicarb, differential sensitivity, ethoprop, fenamiphos, Glycine max, Heterodera glycines, juvenile, Meloidogyne arenaria, Meloidogyne hapla, Meloidogyne incognita, Meloidogyne javanica, nematicide, nematode penetration, root-knot nematode, soybean, soybean cyst nematode.

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Published

1993-12-15

Issue

Vol. 25, No. 4S (December 1993)

Section

Articles

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