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Title: RELEASE OF PINTO AND GREAT NORTHERN BEAN GERMPLASM LINES WITH ERECTNESS ANDRESISTANCE TO COMMON BACTERIAL BLIGHT, RUST, AND MOSAIC

Author
item Miklas, Phillip - Phil
item Smith, James - Rusty
item Stavely, J
item GRAFTON, K - NORTH DAKOTA STATE UNIV
item COYNE, D - UNIV OF NEBRASKA
item BRICK, M - COLORADO STATE UNIV

Submitted to: Germplasm Release
Publication Type: Germplasm Release
Publication Acceptance Date: 3/1/2000
Publication Date: 7/1/2000
Citation: MIKLAS, P.N., SMITH, J.R., STAVELY, J.R., GRAFTON, K.F., COYNE, D.P., BRICK, M.A. RELEASE OF PINTO AND GREAT NORTHERN BEAN GERMPLASM LINES WITH ERECTNESS ANDRESISTANCE TO COMMON BACTERIAL BLIGHT, RUST, AND MOSAIC. GERMPLASM RELEASE, p. 3. 2000.

Interpretive Summary: The USDA-ARS Dry Edible Bean Project at Prosser, WA, released five new dry bean germplasm lines, four pinto and one great northern, with improved resistance to common bacterial blight. Common bacterial blight is a seed borne vegetative disease that plagues bean production worldwide. It is a major disease in the midwestern United States (Michigan, North Dakota, Nebraska, and eastern Colorado). The lines possess very erect, short-vine architecture for disease avoidance which is also easier for growers to manage than the traditional prostrate vining growth habit types. In addition to common bacterial blight resistance, the lines possess genes conditioning resistance to bean common mosaic virus, Fusarium root rot, and rust. These lines will be useful for improving resistance to common bacterial blight and other diseases in pinto and great northern dry edible bean market classes.

Technical Abstract: The USDA-ARS (Prosser, WA) and Agricultural Experiment Stations of North Dakota, Nebraska, and Colorado announce the release of four dry edible common bean germplasm lines USPT-CBB-1, USPT-CBB-2, USPT-CBB-3, and USGN- CBB-4 with moderate levels of resistance to common bacterial blight. Scientists participating in the development of the germplasm were P.N. Miklas (USDA-ARS, Prosser, WA), J.R. Smith (USDA-ARS, Mayaguez, PR), J.R. Stavely (USDA-ARS, Beltsville, MD), K.F. Grafton (North Dakota State University), D.P. Coyne (University of Nebraska), and M.A. Brick (Colorado State University). Common bacterial blight is a seed borne vegetative disease that plagues bean production worldwide. It is a major disease in the midwest United States (Michigan, North Dakota, Nebraska, and eastern Colorado), and is the primary reason why most bean seed production occurs in the west (California, Colorado, Idaho, Oregon, and Washington). All the lines possess the Ur-3 gene for resistance to rust and either I, bc-1-2, o both genes for resistance to bean common mosaic virus (BCMV) and bean common mosaic necrosis virus (BCMNV). These germplasm lines will be useful for improving common bacterial blight resistance in pinto and great northern dry edible bean market classes.