Show I White Pine Blister I White 1 plus pine blister rU rust 1 Is caused bya by hy bya hyI I a fungus tUII Very ery strangely It II spends part of ot Its lis life liCe on currant and gooseberry goose goose- berry bushes and part on he the pine Accordingly the best methods of control cote con are ure to 10 remove e all 11 currant and gooseberry u hushes bushes from the vicinity of It white pine fine plantings The disease discuss Is usually nut not detected on the pine until It has hus lucerne become e established showing show In tag ing Itself by hJ the bright yellow PU pustules lulls lull's that bre break k through the barb from within |