Show I Blister Rust Spreading More States Affected Prepared by the United States Department Department Depart Depart- ment of ot A Agriculture Service B ster ter rust a serious disease of WhIt white pine trees has been found In five states heretofore believed free of the disease the United States Department of Agriculture reports The states are Maryland Virginia West Virginia Ohio Olio and Iowa Io These bring the total of eastern states In which the rust is found to 17 Blister BUster rust Is spread by the wind and lives lI not only only-on white pines es but also on currant and gooseberry plants gibes It Is very destructive destructive tive tI to white pine The chief method of control is tho the eradication of currants currants cur cur- rants and gooseberries within feet of ot stands tan of pine The Tho rust spread from Pennsylvania Pennsylvania Pennsyl Pennsyl- l vania anla into Maryland Virginia and and- West Virginia In Maryland it was found on European black currants wild gooseberries and white pine while In Virginia and West Virgi Virginia it was found only on wild ries In Ohio the rust was found on European black currants and wild gooseberries while in Iowa it was found on northern white pine |