Growth promotion of red pepper plug seedlings and the production of gibberellins by Bacillus cereus, Bacillus macroides and Bacillus pumilus
10.1023/B:BILE.0000019555.87121.34 Cite this article as: Joo, GJ., Kim, YM., Lee, IJ. et al. Biotechnology Letters (2004) 26: 487. doi:10.1023/B:BILE.0000019555.87121.34 Abstract
The growth of red pepper plug seedlings was promoted by
Bacillus cereus MJ-1, B. macroides CJ-29, and B. pumilus CJ-69 isolated from the rhizosphere. Gibberellins (GAs), a well-known plant growth-promoting hormone, were detected in the culture broth of their rhizobacteria. Among the GAs, the contents of GA 1, GA 3, GA 4, and GA 7, physiologically active GAs, were comparatively higher than those of others, suggesting that the growth promoting effect was originated from the GAs. This is the first report on the production of GA 5, GA 8, GA 34, GA 44, and GA 53 by bacteria. Bacillus gibberellins plant growth-promoting rhizobacteria red-pepper References
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