The preliminary study on the optimal growth condition of biocontrol bacteria to soft rot of Chinese cabbage were carried out by single - factor and orthogonal experiment. The results indicate that the greatest affected of growth of B - 13 was resource, the second was carbon source, NaCl was the least, The ideal formula of fermentation medium ：2% corn meal ＋ 1% yeast ＋ 1.5% NaCl, the best initial pH was 7.5 ,the optimal temperature w...
