Search Results

8 results

  1. 47th TWC, Tob. Work. Conf., 2016, abstr. 61

    Determining black shank resistance in tobacco varieties grown in Atkinson and Coffee counties in 2013-2015

    BARNES T.(1); VON WALDNER M.(1); EDWARDS P.(1); BERTRAND P.(1); MOORE J.M.(1); LEWIS R.S.(2)
    (1) University of Georgia, Pearson GA USA; (2) North Carolina State University, Raleigh NC USA
    Black shank re-emerged as a serious problem in 2014. Varieties counted on for resistance, mainly GF-318 and NC-196 were found to show less resistance than expected even where Ridomil Gold was used. Follow-up testing found 30 isolates of Phytophthora...
  2. CORESTA Congress, Berlin, 2016, Agronomy/Phytopathology Groups, AP 05

    Working to improve black shank control in flue-cured tobacco

    BERTRAND P.F.(1); MOORE J.M.(1); SHEW D.(2); LEWIS R.S.2); VON WALDNER M.(1)
    (1) University of Georgia, Tifton, GA, U.S.A.; (2) North Carolina State University, Raleigh, NC, U.S.A.
    Black shank is a concern for farmers growing tobacco on land infested with Phytophthora nicotianae. The first superior Php gene variety (NC-71) was introduced in 1995. The Php gene confers complete resistance to the wild type of P. nicotianae (race...
  3. CORESTA Congress, New Orleans, 2002, AP 27

    The effect of acibenzolar-S-methyl/imidacloprid treatments on the incidence of spotted wilt in tobacco grown from plant house transplants

    OTTS T.; BERTRAND P.; VON WALDNER M.; COOK J.; CLARK J.; BOLAND B.; REED R.
    University of Georgia, Coastal Plain Experimental Station, Tifton, GA, USA
    Experiment station trials conducted in 1999 indicated low rates of acibenzolar-S-methyl applied in the plant house a week before transplanting had potential to reduce the incidence of spotted wilt in the field. Farm trials were conducted in 2000 and...