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Resistance to Fusarium Wilt Pathogen in Currently Used Cotton Cultivars. A. J. Kappelman, Jr., Research Plant Pathologist, Agricultural Research Service, U.S. Department of Agriculture, and Adjunct Associate Professor, Department of Agronomy and Soils, Auburn University (Alabama) Agricultural Experiment Station, Auburn, AL 36830. Plant Dis. 66:837-839. Accepted for publication 29 December 1981. This article is in the public domain and not copyrightable. It may be freely reprinted with customary crediting of the source. The American Phytopathological Society, 1982. DOI: 10.1094/PD-66-837.

A number of cotton (Gossypium hirsutum) cultivars were evaluated and compared with checks, one susceptible and one resistant to both the wilt fungus (Fusarium oxysporum f. sp. vasinfectum) and root-knot nematodes (Meloidogyne spp.). Based on mean wilting during the last 3 yr, 10 cultivars with tolerance or good resistance to this fungus-nematode complex were identified. Although none was as resistant as the Auburn BR2 check, five cultivars (Deltapine 55, McNair 220, Delcot 311, Rex 713, and Stoneville 603) were highly tolerant.