Show I I Agricultural Experts Visit Duchesne County Doctor B B. B L. L Richards and Doctor Doctor Doctor Doc Doc- tor F. F B. B Wann of the Utah State Experiment Station spent Wednesday Wednesday Wednesday Wednes Wednes- day and Thursday with County Agent Le Roy C. C Funk in studyIng studying studying study study- ing diseases of alfalfa in Duchesne county Examinations were madin made mad in fields from Duchesne to Vern Vern- al Considerable alfalfa wilt was found in fields just east of Duchesne and at Myton Stands Stand of alfalfa that have produced well wen for a considerable period are showing showing showing show show- ing signs of rapid thinning out due to this disease Alfalfa Wilt is a bacterial disease disease disease dis dis- dis- dis ease that attacks the roots of alfalfa alfalfa alfalfa alf alf- alf alf- alfa plants causing them to wilt stunt and die After the disease has gained a start one or two years is all that it takes to make a more or less complete kill In Ina a three year old field at Vernal it was found that the alfalfa was nearly all gone This field had been seeded wi with th a nurse crop and then cut two seasons for hay It is badly in hi need of breaking up and after four years to other crops Alfalfa fields must remain out of alfalfa for four years to make I rid of the disease Then they may produce alfalfa for four years before before before be be- fore they again need to be plow plow- ed This four year rotation is the only method of control for alfalfa wilt we have at present In the fields examined at Roosevelt Roosevelt Roosevelt Roose Roose- velt and Fort Duchesne there seemed to be very little wilt Of OJ course It must be borne in mind that the examination made was far from complete Rotation and sparing use of irrigation water seems to have been responsible in a measure for keeping the disease disease disease dis dis- dis- dis ease at a minimum at the ExperIment Experiment Experiment ment farm at Fort Duchesne Itis It Itis Itis is indeed serious that this disease Is here Winter Vinter Injury to the alfalfa alfalfa alfalfa alf alf- alfa plant seems to help wilt to get started Watch your fields for foe evidence of this disease and prepare to rotate the fields to control control control con con- the disease |