Reference Report for IND79100053
| Title: | A second gene for resistance to peanut mottle virus in soybeans. |
| Authors: | Shipe, E.R., Buss, G.R., Tolin, S.A. |
| Source: | Crop Sci. 1979, 19(5):656-658 |
| Abstract: | The disease, which occurs naturally on groundnut, soybean and a few leguminous weeds, is widespread in areas of SE USA where both crops are grown. Crosses were made between resistant and susceptible lines and among resistant lines. The F1, F2 and F3 generation seedlings were tested in the glasshouse for reaction to PMV isolate PMV-S/V74S. Resistance in cv. Peking is conditioned by a single recessive gene (rpv2) that has not been previously reported.ADDITIONAL ABSTRACT:Peking and Arksoy, both of which are resistant to peanut mottle virus isolate PMV-S/V74S, were crossed with four lines, one of which was susceptible. From the reaction of the F1, F2 and F3 seedlings in greenhouse tests to PMV-S/V74S, the resistance of Peking was shown to be controlled by a single recessive gene designated rpv2. A dominant gene, designated Rpv1, controls resistance in Arksoy, PI89784 and PI21789. |
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