Genetic Analysis of Cucumber Mosaic Virus in Relation to Host Resistance: Location of Determinants for Pathogenicity to Certain Legumes andLactuca saligna
- 1 January 1983
- journal article
- research article
- Published by Scientific Societies in Phytopathology®
- Vol. 73 (2) , 269-273
- https://doi.org/10.1094/phyto-73-269
Abstract
Pseudorecombinants of 2 naturally occurring strains of cucumber mosaic virus (CMV-B and CMV-LsS) were used to analyze the genetics of CMV in relation to pathogenicity to L. saligna, Phaseolus vulgaris, Pisum sativum and Vigna unguiculata. RNA 2 of CMV-B determined systemic infection of bean, pea and cowpea. Ability to systemically infect L. saligna depended upon both RNA 2 and 3 of CMV-LsS. Chlorotic and necrotic local lesion formation on V. unguiculata depended upon RNA 2 from the B and LsS strains, respectively. A simple and effective procedure using bentonite for the recovery of infectious RNA from polyacrylamide gels is also described.This publication has 5 references indexed in Scilit:
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