Response of Tomato Cultigens to Meloidogyne javanica and Races of Meloidogyne incognita

Authors

  • Arbrar Ahmad Khan
  • M. Wajid Khan

Abstract

Thirty-six cultigens of tomato were evaluated for resistance against Meloidogyne javanica and four races of M. incognita with standards and parameters adopted by the International Meloidogyne Project. Most cultigens were susceptible to the nematodes, including some that were previously reported to be resistant to these nematodes. Ten accessions, namely Pusa-120, Calmart VFN, Panjab 6.NR-7, EC173898 (72T6), EC173897 (Cal-Mart), EC173896 (Kewalo), CLN363BC[sub1]F[sub2]-167-1-0, CLN363BC[sub1]F[sub2]-190-1-0, CLN363BC[sub1]F[sub2]-344-0-0, and CLN299BC[sub1]F[sub2]-4-1-4-1-1-0, were immune to all test nematodes. VFN-Bush and VFN-8 were resistant to all four races of M. incognita and immune to M. javanica. Three cultivars (Pant-T[sub1], Money Maker, and Pelican) exhibited a degree of race-specific resistance to M. incognita. Pant-T[sub1] and Money Maker were hypersusceptible to race 1 and race 4 of M. incognita, respectively, but were susceptible to other races. Pelican was tolerant to M. incognita race 3 but resistant to the other races. Key words: accession, cultivar, hypersusceptibility, immune, Lycopersicon esculentum, nematode, race, resistance, root-knot nematode, susceptibility.

Downloads

Published

1991-10-15

Issue

Vol. 23, No. 4S (October 1991)

Section

Articles

License

Copyright and Permissions

All material published by the Society of Nematologists (SON), except for papers prepared by United States and Canadian government employees, is copyrighted and protected under the U.S. copyright law. Under the Copyright Act of 1976, the term of copyright for materials registered by an organization is 75 years from the date first published. Before publishing any manuscript, SON requires that authors transfer full and complete ownership of any copyright to SON by signing a JON Page Charge/Copyright Form (.pdf). SON then registers the copyright. Subsequent use of published materials requires written permission from the SON and may be obtained by contacting the current Editor-in-Chief and state where and how the material will be used.

The author warrants that the article is an original work not published elsewhere in whole or in part, except in abstract form, and that the author has full power to make this grant. If portions of the article have been published previously, then the author warrants that permission has been obtained from the copyright holder and the author will submit a copy of the permission release with this copyright transfer form.

SON shall claim no proprietary right other than copyright. Authors and coauthors retain the right to revise, adapt, modify, or otherwise use all or part of the article in future works of the author(s), such as press releases, lectures, and reviews, provided that all such use is for the personal noncommercial benefit of the author(s). All patent rights are retained by the author(s).