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Biological Decline of Solanum nigrum L. Due to Tobacco mosaic tobamovirus (TMV) Infection. II. Germination, Seed Transmission, Seed Viability and Seed Production

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In the second part of our study we have examined the effect of Tobacco mosaic tobamovirus (TMV) infection on the germination, seed trans­mission, seed viability and seed production of S. nigrum. Transmission of TMV by seeds of S. nigrum was 0.3%. Average seed production of the virus infected plants was reduced by 52%, as compared to the healthy control, and TMV infection also delayed generative development. Virus infection did not influence the germination of the seeds. Viability of seeds derived from ripened (blue-black) berries, was significantly reduced by TMV infection.

Keywords: Solanum nigrum; Tobacco mosaic tobamovirus; germination; seed

Document Type: Research Article

Publication date: September 26, 2002

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