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Synopsis Root weight increased significantly during periods of low temperature. The pattern of root development was modified by nitrogen applications.

By|A. A. jHANSOiw research agronomist, Crops Research Division, Agricultural Research Service This handbook has been prepared as a reference for technical workers interested in the origin and current status of named and experimental grass varieties in the United States. Information on Method of Breeding.-Selection of spaceplanted clones carried on through three successive generations. Seed from superior plants composited and increased. Description.-Early-m a t u r i n g, cool-season grass. Very leafy and productive of both forage and seed. In comparative tests at Lincoln it produced forage yields equal to those of Nordan. No evaluation made as to its value as pasture. Sod production indicates its possible utilization for turf purposes. Released.-No. Included in regional testing program. Breeder Seed.-Nebraska Agricultural Experiment Station.

Synopsis Cutting height influenced the quantity of roots to a greater degree than cutting frequency. Frequent mowing will not permit a decrease in mowing height without a reduction in the quantity of roots.

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