Search Results

204 results

  1. Bull. Spec. CORESTA Congress, Brighton, 1998, p. 129, P15

    Consequences of gametic selection for black shank resistance in populations segregating for qualitative and quantitative resistance sources

    WOLFF M.F.; JOHNSON E.S.; WERNSMAN E.A.
    North Carolina State University, Dept. of Crop Science, Raleigh, NC, USA
    The soil-borne pathogen Phytophthora parasitica var. nicotianae (Breda de Haan) Tucker causes root and stem necrosis of black shank disease in susceptible tobacco (Nicotiana tabacum L.) cultivars. A major gene (designated Ph) derived from N. ...
  2. Bull. Spec. CORESTA Congress, Brighton, 1998, p. 130, P16

    Interspecific hybridization between Nicotiana tabacum and N. repanda by in vitro pollination and ovule culture; transfer to TMV resistance

    CHOI S.J.; KEUM W.S.; JUNG S.H.; CHUNG Y.H.; CHO M.C.
    Korea Ginseng and Tobacco Research Institute, Suwon Experiment Station, South Korea.
    Nicotiana repanda has resistance to many important tobacco diseases but no tobacco cultivars are currently available that carry resistance genes derived from this species. Numerous attempts to hybridize N. repanda with commercial tobacco cultivars have ...
  3. Bull. Spec. CORESTA Congress, Brighton, 1998, p. 131, P17

    Institute of Soil Science and Plant Cultivation, 24-100 Pulawy, Poland

    DOROSZEWSKA T.; CHACHULSKA A.
    Institute of Soil Science and Plant Cultivation, Dept. of Special Crops, Pulawy, Poland.
    Potato Virus Y (PVY) and its tobacco veinal necrosis-causing strains in particular result in heavy losses in tobacco yields and in crop quality. Preliminary investigations were done on the transformation of selected tobacco cultivars haploid and diploid ...
  4. Bull. Spec. CORESTA Congress, Brighton, 1998, p. 133, P19

    Monitoring of whole microbial communities using fatty acid methyl ester (FAME) analysis

    ONG K. L.; FORTNUM B.A.; KLUEPFEL D.A.
    Clemson University, Dept. of Plant Pathology and Physiology, Pee Dee REC, Florence, SC, USA.
    Fatty Acid Methyl Ester (FAME) analysis was evaluated as a tool to rapidly monitor the rhizosphere microbial community of three plant species (tobacco, corn and soybean) grown in soil with a resident population of Ralstonia solanacearum. Fatty acids were ...
  5. Bull. Spec. CORESTA Congress, Brighton, 1998, p. 134, P20

    Alloplasmics of Nicotiana tabacum held at the tobacco germplasm collection in Pulawy, Poland

    BERBEC A.
    Institute of Soil Science and Plant Cultivation, Dept. of Special Crops, Pulawy, Poland.
    Cytoplasms of several Nicotiana species- N. amplexicaulis, N. bigelovii, N. debneyi, N. eastii, N. exigua, N. glauca, N. glutinosa, N. goodspeedii, N. knightiana, N. occidentalis, N. plumbaginifolia, N. raimondii, N. suaveolens, N. undulata- were bred ...