Compositions and methods for application to plants are provided for a new strain of Bacillus licheniformis RTI184 having plant growth promoting activity. Compositions and extracts of Bacillus licheniformis strains that include newly identified Fengycin-like and Dehydroxyfengycin-like cyclic lipopeptides designated as “Fengycin MB-Cit” and “Dehydroxyfengycin MB-Cit”, respectively, are also provided. In particular aspects, compositions containing the Bacillus licheniformis strain RTI184 can be applied alone or in combination with chemical agents or other microbial agents to benefit plant growth.本發明提供具有促進植物生長活性之地衣芽孢桿菌(Bacillus licheniformis)RTI184新菌株之組合物及應用於植物之方法。亦提供包括分別指定為「豐原素(Fengycin)MB-Cit」及「脫羥基豐原素MB-Cit」之新鑑別的豐原素樣及脫羥基豐原素樣環狀脂肽的地衣芽孢桿菌菌株之組合物及提取物。在特定態樣中,含有該地衣芽孢桿菌菌株RTI184之組合物可單獨或與化學劑或其他微生物劑組合應用以益於植物生長。
