@article{costa_bockelman_brown-guedira_cambron_chen_cooper_cowger_dong_grybauskas_jin_et al._2010, title={Registration of the Soft Red Winter Wheat Germplasm MD01W233-06-1 Resistant to Fusarium Head Blight}, volume={4}, ISSN={["1936-5209"]}, DOI={10.3198/jpr2010.01.0034crg}, abstractNote={Fusarium head blight (FHB) [caused by Fusarium graminearum Schwabe; telomorph Gibberella zeae (Schwein.) Petch] is a major disease of winter wheat (Triticum aestivum L.) in the US mid‐Atlantic region. The objective of this research was to derive soft red winter wheat (SRWW) germplasm with enhanced FHB resistance for this region. MD01W233–06–1 (Reg. No. GP‐857, PI No. 658682) is a soft red winter wheat (SRWW) (Triticum aestivum L.) germplasm line developed at the University of Maryland and released by the Maryland Agricultural Experiment Station in 2009. MD01W233–06–1 was selected from the cross ‘McCormick’/‘Choptank’ made in 2001. McCormick and Choptank are SRWW cultivars adapted to the US mid‐Atlantic region. MD01W233–06–1 was selected as an F3:5 line selection in Queenstown, MD in June 2006. MD01W233–06–1 has type II resistance to FHB that is different from that of ‘Sumai 3’. Additionally, it has resistance to the Ug99 race of stem rust. These characteristics make this line a valuable contribution for breeding for enhanced FHB resistance in the US mid‐Atlantic.}, number={3}, journal={JOURNAL OF PLANT REGISTRATIONS}, author={Costa, Jose M. and Bockelman, Harold E. and Brown-Guedira, Gina and Cambron, Sue E. and Chen, Xianming and Cooper, Aaron and Cowger, Christina and Dong, Yanghong and Grybauskas, Arvydas and Jin, Yue and et al.}, year={2010}, month={Sep}, pages={255–260} }
 @article{kolmer_liu_2000, title={Virulence and molecular polymorphism in international collections of the wheat leaf rust fungus Puccinia triticina}, volume={90}, ISSN={["1943-7684"]}, DOI={10.1094/PHYTO.2000.90.4.427}, abstractNote={ Collections of Puccinia triticina, the wheat leaf rust fungus, were obtained from Great Britain, Slovakia, Israel, Germany, Australia, Italy, Spain, Hungary, South Africa, Uruguay, New Zealand, Brazil, Pakistan, Nepal, and eastern and western Canada. All single-uredinial isolates derived from the collections were tested for virulence polymorphism on 22 Thatcher wheat lines that are near-isogenic for leaf rust resistance genes. Based on virulence phenotype, selected isolates were also tested for randomly amplified polymorphic DNA (RAPD) using 11 primers. The national collections were placed into 11 groups based on previously established epidemiological zones. Among the 131 single-uredinial isolates, 105 virulence phenotypes and 82 RAPD phenotypes were described. In a modified analysis of variance, 26% of the virulence variation was due to differences in isolates between groups, with the remainder attributable to differences within groups. Of the RAPD variation, 36% was due to differences in isolates between groups. Clustering based on the average virulence distance (simple distance coefficient) within and between groups resulted in eight groups that differed significantly. Collections from Australia-New Zealand, Spain, Italy, and Britain did not differ significantly for virulence. Clustering of RAPD marker differences (1 - Dice coefficient) distinguished nine groups that differed significantly. Collections from Spain and Italy did not differ significantly for RAPD variation, neither did collections from western Canada and South America. Groups of isolates distinguished by avirulent/virulent infection types to wheat lines with resistance genes Lr1, Lr2a, Lr2c, and Lr3 also differed significantly for RAPD distance, showing a general relationship between virulence and RAPD phenotype. The results indicated that on a worldwide level collections of P. triticina differ for virulence and molecular backgrounds. }, number={4}, journal={PHYTOPATHOLOGY}, author={Kolmer, JA and Liu, JQ}, year={2000}, month={Apr}, pages={427–436} }
 @article{kolmer_1999, title={Virulence dynamics, phenotypic diversity, and virulence complexity in two populations of Puccinia triticina in Canada from 1987 to 1997}, volume={77}, ISSN={["0008-4026"]}, DOI={10.1139/b98-221}, abstractNote={ Populations of Puccinia triticina (causal agent of wheat leaf rust) in Ontario, Quebec, Manitoba, and Saskatchewan were analysed for frequency of isolates with virulence to leaf rust resistance genes Lr1, Lr2a, Lr2c, Lr3, Lr9, Lr16, Lr24, Lr26, Lr3ka, Lr11, Lr17, and Lr30 for the years 1987-1997. Winter wheats in the southern plains of the United States with resistance genes Lr24, Lr26, Lr11, Lr3ka, Lr17, and Lr16 selected virulent P. triticina phenotypes in the Manitoba and Saskatchewan population. The P. triticina population in Quebec and Ontario was comparatively stable, showing no directional trends in selection of virulence phenotypes. In the Manitoba and Saskatchewan population, diversity of virulence phenotypes changed relatively little despite the selection that occurred in this population. The average number of virulences per isolate in the Manitoba and Saskatchewan population increased from 1987 to 1994 during the period of selection for virulence to Lr24, Lr26, Lr3ka, and Lr11, and declined from 1995 to 1997 when selection for virulence to Lr16 and Lr17 occurred. The most complex virulence phenotypes were not necessarily selected in the Manitoba and Saskatchewan population because of how the resistance genes were deployed in the host population and the nonrandom distribution of virulences in the P. triticina population.Key words: Puccinia recondita f.sp. tritici, specific resistance, wheat leaf rust, Triticum aestivum, specific virulence. }, number={3}, journal={CANADIAN JOURNAL OF BOTANY-REVUE CANADIENNE DE BOTANIQUE}, author={Kolmer, JA}, year={1999}, month={Mar}, pages={333–338} }