Relationships of Legume Viruses in Australia II. Serological Relationships of Bean Yellow Mosaic Virus and Pea Mosaic Virus

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Abstract
Antisera were prepared to one strain of boan yellow mosaie virus (B.Y.lVLV.) and two strains of pea mosaie virus (P.i\LV. strain 1 and P.lII.V. sLraill 2). By utilizing the aggluLinatioll reaetiol1, the serological activit,y of both straills of P.lVLV. is clemollst,rated for the first timo. The results of erose-agglutination experim81lt,s show the strains of P.M. V. and B.Y.M.V. to be serologically related. Cross-protection tests support tho hypothesis that Lhose are strains of one and the same virlls.