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A Greenhouse Screening Procedure for Root-Knot Nematode Resistance in Soybeans¹

Resistance in soybean [Glycine max (L.) Merr.] root-knot nematodes is a valuable control measure for reducing losses to this pathogen. Screening only in the field has the disadvantages of seasonal restrictions and lack of uniformly infested soil. The objective of this study was to develop a simple and reliable greenhouse screening procedure. Root-knot nematode [Meloidogyne incognita (Kofoid and White) Chitwood] eggs were grown under supplemental light in the greenhouse. Experiments were conducted comparing different genotypes, inoculum densities, and nematode collections. The similarity between the responses of genotypes to M. incognita in the greenhouse and in field tests indicated that this procedure provides a reliable evaluation of the reaction of soybean to this nematode.

Key Words: Glycine max (L.) Merr. • Meloidogyne spp.

² Associate professors of plant pathology and agronomy, respectively, Univ. of Georgia. Athens, GA 30602.

Received for publication November 17, 1980.

This article has been cited by other articles:

				G. R. Kruger, L. Xing, A. R. LeRoy, and A. Westphal Meloidogyne incognita Resistance in Soybean under Midwest Conditions Crop Sci., March 19, 2008; 48(2): 716 - 726. [Abstract] [Full Text] [PDF]