Effects of Trichoderma longbrachitum and Streptomyces jingyangensis combination on the growth and disease resistance of tobacco seedlings. Identification and characterization of antagonistic bacterial strain P-72-10 against Phytophthora nicotianae Antagonistic mechanism of Pseudomonas fluorescens strains against Phytophthora nicotianae and biocontrol effect on tobacco black shank Identification of a new Phytophthora blight disease on konjac in Yunnan Screening, identification and antifungal activity of antagonistic rhizospheric Bacillus FB-16 against tobacco black shank Identification of the endophytic bacterial isolate Itb57 from tobacco plant and its control efficacy on tobacco black shank caused byPhytophthora nicotianae Determination on sensitivity of Phytophthora nicotianae var. nicotianae to three systemic fungicides