Reactions of Pearl Millet Germ Plasm from the World Collection to Maize Dwarf Mosaic Virus Strains A and B

1 January 1983

journal article
research article
Published by Scientific Societies in Plant Disease

Vol. 67 (10) , 1105-1108
https://doi.org/10.1094/pd-67-1105

Abstract

Land races (50) and breeder lines (49) of pearl millet (P. americanum) from the world collection in India were tested for reaction to maize dwarf mosaic virus strains A (MDMV-A) and B (MDMV-B). A small number of plants in 29 entries became infected with MDMV-A and a small number of plants in 58 entries, with MDMV-B. Of 29 entries with susceptibility to MDMV-A, 25 were also susceptible to MDMV-B. Susceptibility was not related to area of origin. Entries (76) from North America showed similar trends, but 2 highly susceptible lines were identified. Symptoms consisted of a mild mosaic appearing in 7-10 days. In the highly susceptible lines, mosaic symptoms appeared sooner, were more severe, and were accompanied by mild stunting.

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