OCCURENCE OF TWO SAP-TRANSMISSIBLE VIRUSES IN WALNUTS
The protein coat was composed of a single polypeptide with mol. wt. of about 54,000. WRSV was not serologically related to any of 26 isometric viruses including 12 members of NEPO virus group. Whether or not WRSV is related to the virus associated with walnut yellow mosaic has not been ascertained.