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  1. No Access

    Article

    Genetics and map** of a novel downy mildew resistance gene, Pl 18 , introgressed from wild Helianthus argophyllus into cultivated sunflower (Helianthus annuus L.)

    A novel downy mildew resistance gene, Pl 18 , was introgressed from wild Helianth...

    L. L. Qi, M. E. Foley, X. W. Cai, T. J. Gulya in Theoretical and Applied Genetics (2016)

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    Article

    Pl 17 is a novel gene independent of known downy mildew resistance genes in the cultivated sunflower (Helianthus annuus L.)

    Pl 17 , a novel downy mildew resistance gene independent of known downy mildew resistance genes in sunflowers, was ge...

    L. L. Qi, Y. M. Long, C. C. Jan, G. J. Ma, T. J. Gulya in Theoretical and Applied Genetics (2015)

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    Article

    Genetic map** of rust resistance genes in confection sunflower line HA-R6 and oilseed line RHA 397

    Few widely effective resistance sources to sunflower rust, incited by Puccinia helianthi Schwein., have been identified in confection sunflower (Helianthus annuus L.). The USDA inbred line HA-R6 is one of the few...

    L. Gong, T. J. Gulya, S. G. Markell, B. S. Hulke… in Theoretical and Applied Genetics (2013)

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    Article

    Molecular tagging of a novel rust resistance gene R 12 in sunflower (Helianthus annuus L.)

    Sunflower production in North America has recently suffered economic losses in yield and seed quality from sunflower rust (Puccinia helianthi Schwein.) because of the increasing incidence and lack of resistance t...

    L. Gong, B. S. Hulke, T. J. Gulya, S. G. Markell… in Theoretical and Applied Genetics (2013)

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    Article

    Genetics and map** of the R 11 gene conferring resistance to recently emerged rust races, tightly linked to male fertility restoration, in sunflower (Helianthus annuus L.)

    Sunflower oil is one of the major sources of edible oil. As the second largest hybrid crop in the world, hybrid sunflowers are developed by using the PET1 cytoplasmic male sterility system that contributes to ...

    L. L. Qi, G. J. Seiler, B. A. Vick, T. J. Gulya in Theoretical and Applied Genetics (2012)

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    Article

    Chromosome location, DNA markers and rust resistance of the sunflower gene R 5

    Sunflower rust, caused by the fungus Puccinia helianthi Schwein., was not a serious problem for many decades because of successful deployment of effective resistance genes in commercial sunflower (Helianthus annu...

    L. L. Qi, T. J. Gulya, B. S. Hulke, B. A. Vick in Molecular Breeding (2012)

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    Article

    Molecular map** of the rust resistance gene R 4 to a large NBS-LRR cluster on linkage group 13 of sunflower

    Rust is a serious fungal disease in the sunflower growing areas worldwide with increasing importance in North America in recent years. Several genes conferring resistance to rust have been identified in sunflo...

    L. L. Qi, B. S. Hulke, B. A. Vick, T. J. Gulya in Theoretical and Applied Genetics (2011)

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    Article

    Diversity in the sunflower: Puccinia helianthi pathosystem in Australia

    Sunflower rust caused by Puccinia helianthi is the most important disease of sunflower in Australia with the potential to cause significant yield losses in susceptible hybrids. Rapid and frequent virulence change...

    B. C. Sendall, G. A. Kong, K. C. Goulter, E. A. B. Aitken… in Australasian Plant Pathology (2006)

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    Chapter

    A Seedling Bioassay to Detect the Presence of Plasmopara Halstedii in Soil

    Plasmopara halstedii (Farl.) Berl. & de Toni, the causal agent of sunflower downy mildew (SDM), is a soil-borne fungus found on all continents except Australia (Gulya et al., 1997). Unlike many other downy mildew...

    T. J. Gulya in Advances in Downy Mildew Research — Volume 2 (2004)