Show U A E S con conducts tomato research research on tomatoes tomatoes tomato cs conducted ay ly federal entomologists 11 II E dorst W E acay and by utah agricultural experiment station entomologist U G f kno knowlton wl has silo shown wilo atiat two tomato plants per hill spaced about six inches apart considerably reduce tile the loss losa from curly top lil years of beet leafhopper leat hopper abundance leafhopper Leat hopper populations at this atme suggest that double hill planting will prove to be profitable in areas where curly top or bli blight glit bocc occasionally asio nally causes serious loss 1038 of tomato plants double hill planting even in years of leafhopper leat hopper occur rance ance produces extra crop yield in years of beet leafhopper leat hopper injury a near normal stand of tomatoes often has rema remained inot in double hill planted fields when nearby fields of single plants were largely destroyed dr knowlton reported double planting does not prevent Pre normal cross cultivation watering and weeding procedures it Is highly important to keep tomato fields freeouf weeds as they tend to hold in the field beet leafhoppers leaf hoppers which would otherwise se move on if the leafhopper a remain in the tomato fields and fe feed ed on weeds which later am destroyed late season curly top disease will increase 0 |