Open Access. Powered by Scholars. Published by Universities.®
Articles 1 - 2 of 2
Full-Text Articles in Life Sciences
G89-936 Russian Wheat Aphid, Gary L. Hein, Frederick P. Baxendale, John B. Campbell, Arthur F. Hagen, James A. Kalisch
G89-936 Russian Wheat Aphid, Gary L. Hein, Frederick P. Baxendale, John B. Campbell, Arthur F. Hagen, James A. Kalisch
University of Nebraska-Lincoln Extension: Historical Materials
The Russian wheat aphid is a serious insect threat to small grains. Its description, damage and control are discussed here.
The Russian wheat aphid (RWA) is a serious insect threat to wheat and other small grains. Growers should examine small grain fields regularly for this pest throughout the fall. In the spring, weekly examinations are needed from the time wheat resumes growth through the late heading stages.
Farmers are encouraged to collect samples of unknown aphids on small grains and have them identified by the Cooperative Extension Service. Proper identification of the aphid is critical in determining the need for …
G89-906 Barley Yellow Dwarf Disease Of Barley, Oats, And Wheat, John E. Watkins, Leslie C. Lane
G89-906 Barley Yellow Dwarf Disease Of Barley, Oats, And Wheat, John E. Watkins, Leslie C. Lane
University of Nebraska-Lincoln Extension: Historical Materials
The symptoms of barley yellow dwarf are covered here, as are disease occurrence and spread, and control.
Barley yellow dwarf (BYD) is distributed worldwide. It is the most economically important disease of barley and oats in North America. Barley yellow dwarf, wheat streak mosaic (WSM) and soil-borne wheat mosaic (SBWM), are three virus diseases that caused serious cereal grain yield losses in Nebraska during the last decade.
Since the mid-1980s barley yellow dwarf has become increasingly widespread in Nebraska, and now is a serious concern to oat and wheat producers. Outbreaks occasionally reach epidemic proportions as occurred in wheat in …