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http://dx.doi.org/10.5352/JLS.2013.23.1.79

Growth Promotion of Lettuce by Biofertilizer, BIOACTIVE, Prepared from Bacillus subtilus HR-1019 and N-acetyl-thioproline  

Lee, Yong-Suk (Department of Biotechnology, College of Natural Resources and Life Science, Dong-A University)
Park, Dong-Ju (Department of Biotechnology, College of Natural Resources and Life Science, Dong-A University)
Kim, Jae Hoon (Haerim Pharmetic LTD.)
Kim, Hyeong Seok (Haerim Pharmetic LTD.)
Chung, Soo Yeol (Department of Food and Baking Science, Dong-Ju University)
Choi, Yong-Lark (Department of Biotechnology, College of Natural Resources and Life Science, Dong-A University)
Publication Information
Journal of Life Science / v.23, no.1, 2013 , pp. 79-83 More about this Journal
Abstract
A biofertilizer, BIOACTIVE, was manufactured by N-acetyl-thioproline (ATCA) and mineral phosphate solubilizing bacteria. The growth promoting effect of the biofertilizer on lettuce was evaluated under three different pot conditions, and its stability was assessed in the field. According to the results of the pot experiments, plant growth was improved compared with that of control: 128%, 122%, and 153% for the leaf number, leaf length, and leaf mass, respectively. Applying the manufactured biofertilizer increased the concentration of phosphate: 118% and 132% in the cultivation soil and plant cells, respectively. These show that BIOACTIVE may have potential as an effective biofertilizer in agriculture.
Keywords
Bacillus subtilis; growth promotion; lettuce; N-acetyl-thioproline;
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