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E-Malt.com News article: 4528

USA: USDA plant breeders have developed a variety of barley, which can resist attacks from both types of Russian wheat aphids found in the United States. The new feed barley, Burton, was developed by Agricultural Research Service scientists and their university colleagues, AgReport posted on March 24.

Leaves on Burton plants don't become streaked or curled when the green, one-sixteenth-inch-long aphids puncture them to feed on the plants' sap. Without the snug, rolled-leaf shelters, aphids become more vulnerable to their natural enemies, and more easily knocked off the plant by wind or rain, according to ARS plant geneticist P. Phillip Bregitzer. He works at the agency's Small Grains and Potato Germplasm Research Unit at Aberdeen, Idaho.

Bregitzer and plant geneticist Dolores W. Mornhinweg at the ARS Wheat, Peanut and Other Field Crops Research Unit, Stillwater, Okla., chose the sequence of parent plants for Burton barley. Those plants included two well-known, ARS-developed malting barleys, Crystal and Klages; a popular animal-feed barley known as Baroness, and a parent that Mornhinweg developed from a wild, Russian wheat aphid-resistant barley from Afghanistan.

Burton is named for former ARS entomologist Robert L. Burton, now deceased, who spearheaded much of the ARS Russian wheat aphid research from his Stillwater laboratory.

Researchers at the Colorado, Idaho, Nebraska and New Mexico Agricultural Experiment Stations collaborated to make Burton available to growers in 2004.


27 March, 2005

   
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