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The resistant reaction to cucumber mosaic virus, CMV-M, infection in mungbean (Vigna radiata (L.) Wilczek) strain PI 271401, in crosses with susceptible strains PI 201868 and PI 368307, was conditioned by a single dominant gene designated Cmm. The Cmm locus was not linked with loci controlling color of seed texture layer or color of seed coat. Seed yields of CMV-M susceptible F2 plants in the field were reduced by more than 50% compared to resistant plants.
Key Words: Virus Vigna radiata Grain legume
2 Plant breeder, Rice Division, Dep. of Agriculture, Bangkhen, Bangkok-9, Thailand, and professor of agronomy and professor of plant pathology, respectively, Univ. of Missouri, Columbia, MO 65211.
Received for publication May 15, 1978.
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