Virulence in Hessian Fly (Diptera: Cecidomyiidae) Field Collections From the Southeastern United States to 21 Resistance Genes in Wheat

2010 ◽  
Vol 103 (6) ◽  
pp. 2229-2235 ◽  
Author(s):  
Sue E. Cambron ◽  
G. David Buntin ◽  
Randy Weisz ◽  
Jeffery D. Holland ◽  
Kathy L. Flanders ◽  
...  
1996 ◽  
Vol 89 (5) ◽  
pp. 1309-1317 ◽  
Author(s):  
Roger H. Ratcliffe ◽  
Herbert W. Ohm ◽  
Fred L. Patterson ◽  
Sue E. Cambron ◽  
Gregory G. Safranski

Crop Science ◽  
2014 ◽  
Vol 54 (5) ◽  
pp. 2045-2053 ◽  
Author(s):  
Melissa J. McDonald ◽  
Herbert W. Ohm ◽  
Kristen D. Rinehart ◽  
Marcelo P. Giovanini ◽  
Christie E. Williams

Plant Disease ◽  
1998 ◽  
Vol 82 (1) ◽  
pp. 64-68 ◽  
Author(s):  
A. S. Niewoehner ◽  
S. Leath

Samples of perithecia of Blumeria graminis f. sp. tritici from senescing wheat leaves were collected by cooperators from 17 states. Ascospores were discharged from perithecia and single-spore isolates were characterized for virulence genes using a differential host series containing 15 known resistance genes. A total of 520 isolates from 17 states were characterized in 1993 and 1994. Virulence frequencies and complexity and racial composition were examined. The data were analyzed for associations among sets of virulence genes and the geographical distribution of phenotypes. Virulence to Pm3c, Pm3f, pm5, Pm6, and Pm7 was present in all states surveyed. Since 1990, virulence to Pm3a has increased in the northeast, and virulence to Pm1, Pm4b, Pm8, and Pm17 has increased across the area surveyed. The resistance genes Pm12 and Pm16 remain highly effective in the southeastern United States. An increase in virulence frequencies and complexity of isolates was observed.


2000 ◽  
Vol 93 (4) ◽  
pp. 1319-1328 ◽  
Author(s):  
Roger H. Ratcliffe ◽  
Sue E. Cambron ◽  
Kathy L. Flanders ◽  
Nilsa A. Bosque-Perez ◽  
Stephen L. Clement ◽  
...  

2015 ◽  
Vol 109 (1) ◽  
pp. 399-405 ◽  
Author(s):  
Richard H. Shukle ◽  
Sue E. Cambron ◽  
Hossam Abdel Moniem ◽  
Brandon J. Schemerhorn ◽  
Julie Redding ◽  
...  

1994 ◽  
Vol 87 (4) ◽  
pp. 1113-1121 ◽  
Author(s):  
Roger H. Ratcliffe ◽  
Gregory G. Safranski ◽  
Fred L. Patterson ◽  
Herbert W. Ohm ◽  
Paige L. Taylor

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