Search Results

23 results

  1. Tobacco Science & Technology, 2011, 10, p. 78-80., ISSN.1002-0861

    Biological control effects of Fusarium sp. against orobanche in tobacco field

    WU YUAN-HUA(1); NING FAN-HUA(1); LIU XIAO-LIN(1); ZHANG RUI(2); LAN YAN-FENG(2)
    1. Shenyang Agricultural University, Shenyang 110866, P.R. China; 2. Chaoyang Branch of Liaoning Province Tobacco Corporation, Chaoyang 122000, Liaoning, P.R. China
    In order to reduce the damage by orobanche in tobacco field, a novel Fusarium sp. separated and bred in lab was tested to study its biological control effects against orobanche in tobacco field. The results showed that the treatment involving tobacco...
  2. Tobacco Science & Technology, 2011, 11, p. 71-75., ISSN.1002-0861

    Extraction of genome DNA and optimization of RAPD reaction system of Rhizoctonia solani

    FU YING; WU YUAN-HUA; MU LING-XIAO; ZHAO XIU-XIANG
    College of Plant Protection, Shenyang Agricultural University, Shenyang 110866, P.R. China
    The genome DNAs of 16 strains of Rhizoctonia solani isolated from tobacco target spot were extracted by the improved CTAB method. The OD260/OD280 values of the obtained DNAs ranged from 1.76 to 1.89, the electrophoretic bands were clear and free of...
  3. Tobacco Science & Technology, 2010, 9, p. 61-64., ISSN.1002-0861

    Screening of tobacco mutant plant SN02 against PVYN from K326 and physiological and biochemical properties of the same

    YANG LI-YE; WU YUAN-HUA; ZHAO XIU-XIANG
    College of Plant Protection, Shenyang Agricultural University, Shenyang 110866, P.R. China
    A naturally mutant plant highly resistant to Potato virus Y-vein necrosis strain (PVYN) has been screened from cv. K326 with virus sap rub inoculation and numbered as SN02. The contents of defensive enzymes in tobacco seedlings and chlorophyll a and...
  4. Tobacco Science & Technology, 2009, 3, p. 49-52, ISSN.1002-0861

    Spatial variation and distribution of available microelements in tobacco soil

    LOU YI-LAI; YAN LI; HAO CHANG-HONG
    Shenyang Agricultural University, College of Land and Environment, Shenyang, China
    The regional spatial variation and distribution of available microelements in tobacco growing soil at a county level were studied with GIS and geostatistics by taking Changtu County in Liaoning Province as an example. The results showed that the...
  5. Tobacco Science & Technology, 2009, 8, p. 61-4, ISSN.1002-0861

    Screening of tobacco mutant plant SN01 against PVY<sup>N</sup> and physiological and biochemical properties of the same

    YOU SHU-YAN; WU YUAN-HUA; ZHAO XIU-XIANG
    Shenyang Agricultural University, College of Plant Protection, Shenyang, China
    In order to screen tobacco germplasm resource against PVYN, a naturally mutant plant from tobacco variety NC89 has been screened with virus sap inoculation and referred to as SN01. The contents of total phenol, flavonoid, malondialdehyde (MDA) and...
  6. Tobacco Science & Technology, 2008, 2, p. 61-4, ISSN.1002-0861

    Preliminary report on physiological race of Phytophthora parasitica in Chongqing

    LIU TING-LI; XIAO CHONG-GANG; CHEN GUO-KANG
    Southwest University, College of Plant Protection, Chongqing, China
    The physiological races of 40 Phytophthora parasitica var. nicotianae strains collected from Fuling, Pengshui, Shizhu in Chongqing were isolated, and identified by zoospore suspension inoculation and TTC (2, 3, 5-triphenyltetrazolium chloride)...
  7. Tobacco Science & Technology, 2007, 12, p. 60-2, ISSN.1002-0861.

    Growth-promoting and control effects of strain Ata28 of Bacillus subtilis against Alternaria alternata

    YI LONG; YAN ZHAN-YONG; XIAO CHONG-GANG
    Southwest University, College of Plant Protection, Chongqing, China
    The strain Ata28 of Bacillus subtilis i solated from tobacco leaves could obviously decrease the occurrence of Alternaria alternata , which was proved by the disease control experiment in greenhouse. After seed bacterization, the growth-promoting...