Rollo Barley

Technical Summary

•  “Rollo” is a spring feed barley developed at the Utah Agricultural Experiment Station and was released in 1991. Plant        Variety Protection was sought in 1993 and later issued as PV9200006.

•  “Rollo” is a six-rowed, midseason, erect growing barley. It has a strap shaped, erect head with little or no overlap of the lateral kernels, and sparse hairs on the rachis edges. It has waxy leaves and head and immature plants have a distinctly purple upper node. Glumes are long, with hairs restricted to the middle, and have medium to long, semi-smooth glume awns. Lemma awns are long and semi-smooth and have distinctly purple tips prior to maturity. Stigmas are lightly feathered and the seed is covered, mid-long, slightly wrinkled, with long rachilla hairs and a transverse crease at the base. The base of the spike is marked by a closed collar.

 

Commercial Applications

•  Midseason planted

•  Feed barley

•  Western region of U.S.

•  Irrigated

 

Competitive Advantages

•  Lower lodging than Steptoe

•  Shows field resistance to barley loose smut and covered smut, and moderate resistance to powdery mildew

 

References

•  Albrechtsen, RS, DJ Hole. 1993. Registration of Rollo Barley. Crop Sci 33:1412-1413.

 

Patent Information:
Category(s):
Plant Varieties and Seeds
For Information, Contact:
Christian Iverson
Utah State University
435-797-9620
christian.iverson@usu.edu
Inventors:
Rulon Albrectsen
Keywords: