| Show Valuable llull Bulletin tiu for Sugar Beet Industry A new bulletin giving the tha life history his tory of or the beet leafhopper by Dr E. E D. D Ball former Carmer director of oC the th Utah Experiment Station is now ready for Cor Distribution by tho the Station Stations The Time title of the tho bulletin Is The I Beet Leafhopper and the Leaf Curly Disease that it Transmits The bulletin bulletin bulle bulle- I bulle-I tin which promises to be of ot considerable considerable consider consider- able value val to the beet growers In the I Iest West Vest records the results of at extensive studies of ot this insect covering a period period per per- per per-I iod lod of ot years The leaf curly is a well known and dreaded disease that sometimes occurs in the sugar beet fields of ot the West est While a few tew beets I are usually tobe found Cound affected with I thi this disease every year rear it Is IR only I periodically serious In these seasons seasons sea sea- sea sea-I sons whole fields are destroyed and losses running Into millions of ot dollars dollars dollars dol dol- lars result Dr Ball Dall shows that the disease is transmitted to normal healthy beets by an insect which he calls the beet I leafhopper The adult insect is a aI I tiny cream creamy or white greenish-white insect about one-eighth one of ot an inch long I and one fourth as wide It Is rather triangular shaped at the head and tapers to a narrow blunt end at atthe atthe atthe the tip of the folded wings It is a strong flier and jumps readily to for considerable distances The leafhopper suddenly appears in n May 1 or in in the beet fields of ot the middle or southern parts of Utah and gradually travels north requiring about thirty days to reach the n fth ern State line Other States have similar dates The Tho adult lays eggs in inthe inthe the stems and larger veins of at the leaves eaves The eggs hatch about fifteen days later Into small leafhoppers which strongly resemble the adults but the they have no wings while young oung Late Lata in the tho summer or In the fall fallot of ot the year car the young oung leafhoppers which have since become fully grown gro disappear Whether they return re re- turn urn to the beet fields the following spring seems seems seems' to depend upon factors not clearly clearl understood at present |
