【摘要】 利用烟草内生细菌进行了防治烟草黑胫病的试验,获得了对烟草黑胫病有较好防效的内生细菌菌株118、57、93等,其防效分别达69.23%、61.53%和65.38%。其中118菌株具有较广的抗菌谱,对几种主要的烟草病害的病原菌均有拮抗作用,对烟草疫霉菌有明显的拮抗作用,而且对烟草有促生效果,鲜重增产率为13.10%。更多还原

【Abstract】 The experiment of controlling tobacco black shank with tobacco endophytic bacteria was conducted,the strains which had good control effect were screened out.The control effects of strains No.118,57 and 93 were 69.23%,61.53% and 65.38%,respectively.Strain No.118 was antagonistic(against) several major tobacco pathogens,could obviously restrain Phytophthora parasitica var.nicotianae and promote the growth of tobacco.更多还原