Show would eliminate black currants cultivated plants threaten to destroy white pine forests ft pami by th unit ta lot lif apart brot ot o or A sri became because of the relatively email value of cultivated cult latel currant currants in this country and the role of these plant plants in the spread of 0 white itne blister rust a disease which threaten ens to destroy our whitepine white pine forests the jolted united states department of agriculture recommends that farmer farmers and nurserymen an ani I 1 jie he public generally xene rally discontinue grow row ing these currants in regions where white pines crow grow carriers of blister RUL rust in its it fleit to sie the alitto pine forest forests of the country the department recognizes other varl atles le of currant currants and goose gooseberry berri es at a potential carriers of the baw e r rust disease but tre the cultivated d black currant sometimes known as the black currant Is by far the most susceptible to I 1 the he rest rust ibis this variety Is responsible tor for spread of the disease over ever long da distances department specialists declare decla cla re compared to cultivated black car cur rants other species of currants and gooseberries are relatively hely resist ant to blister rust the department says however in the course of a leason season the disease may spread from the original black currant center to any cyp type of currant current or gooseberry this Is 13 culled by successive cycle cycles of the s summer ummer stage of the rust H how caw Is spread farmers bulletin F cur rants and gooseberries their tul lot ture lure and relation Kel atlon to white pine blister rust a publication lust just issued by the department in revised form tells how to crow grow these plants and explains how they spread the rust desea disease e in some settle sections cur rants and goose arles are commercial crops and the department does not wish to interfere with this in austry any more than Is ls necessary to protect the whitepine white pine forest forests the bulletin bol letia says so treat great Is the danger from cul i ul black currants however that the department Is 13 asking title tit authorities nurserymen and farm ers era to help eliminate this plant en in the pacific rocky moun mou 0 tain atlantic appalachian ohio v valley alley and upper mississippi val A I 1 ley and lakes states copies of t nu bulletin iett 1308 V may be obtained free froni from the ho office of information united states department of agriculture D C |