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Effects of DCPA on Seedling Infection by Root-Knot Nematode

Published online by Cambridge University Press:  12 June 2017

R. Kent Romney ,
J. Lamar Anderson  and
Gerald D. Griffin
R. Kent Romney
Affiliation:
Dep. of Plant Sci., Utah State Univ., and Agr. Res. Serv., U.S. Dep. Agr., Logan, UT 84322
J. Lamar Anderson
Affiliation:
Dep. of Plant Sci., Utah State Univ., and Agr. Res. Serv., U.S. Dep. Agr., Logan, UT 84322
Gerald D. Griffin
Affiliation:
Dep. of Plant Sci., Utah State Univ., and Agr. Res. Serv., U.S. Dep. Agr., Logan, UT 84322
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Abstract

Onion (Allium cepa L.) and bean (Phaseolus vulgaris L.) seedlings grown in soil treated with DCPA (dimethyl tetrachloroterephthalate) were less susceptible to northern root-knot nematode (Meloidogyne hapla Chitwood) infection than seedlings grown in untreated soil. DCPA treatment of nematode larvae did not alter their pathogenicity. Resistance could be correlated with altered cell structure of the root epidermis, increased root exudate as evidenced by soil adherence, reduced fibrous root development, or both.

Type
Research Article
Information
Weed Science , Volume 22 , Issue 1 , January 1974 , pp. 51 - 54
Copyright
Copyright © 1974 by the Weed Science Society of America 

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References

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