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| Content Provider | Springer Nature Link |
|---|---|
| Author | Lee, Sook Kuan Lur, Huu Sheng Lo, Kai Jiun Cheng, Kuan Chen Chuang, Chun Chao Tang, Shiueh Jung Yang, Zhi Wei Liu, Chi Te |
| Copyright Year | 2016 |
| Abstract | Biofertilizers can help improve soil quality, promote crop growth, and sustain soil health. The photosynthetic bacterium Rhodopseudomonas palustris strain PS3 (hereafter, PS3), which was isolated from Taiwanese paddy soil, can not only exert beneficial effects on plant growth but also enhance the efficiency of nutrient uptake from applied fertilizer. To produce this elite microbial isolate for practical use, product development and formulation are needed to permit the maintenance of the high quality of the inoculant during storage. The aim of this study was to select a suitable formulation that improves the survival and maintains the beneficial effects of the PS3 inoculant. Six additives (alginate, polyethylene glycol [PEG], polyvinylpyrrolidone-40 [PVP], glycerol, glucose, and horticultural oil) were used in liquid-based formulations, and their capacities for maintaining PS3 cell viability during storage in low, medium, and high temperature ranges were evaluated. Horticultural oil (0.5 %) was chosen as a potential additive because it could maintain a relatively high population and conferred greater microbial vitality under various storage conditions. Furthermore, the growth-promoting effects exerted on Chinese cabbage by the formulated inoculants were significantly greater than those of the unformulated treatments. The fresh and dry weights of the shoots were significantly increased, by 10–27 and 22–40 %, respectively. Horticultural oil is considered a safe, low-cost, and easy-to-process material, and this formulation would facilitate the practical use of strain PS3 in agriculture. |
| Starting Page | 7977 |
| Ending Page | 7987 |
| Page Count | 11 |
| File Format | |
| ISSN | 01757598 |
| Journal | Applied Microbiology and Biotechnology |
| Volume Number | 100 |
| Issue Number | 18 |
| e-ISSN | 14320614 |
| Language | English |
| Publisher | Springer Berlin Heidelberg |
| Publisher Date | 2016-05-06 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | Subscribed |
| Subject Keyword | Plant growth-promoting rhizobacteria (PGPR) Biofertilizer Formulation Rhodopseudomonas palustris Shelf life Microbiology Microbial Genetics and Genomics Biotechnology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine Applied Microbiology and Biotechnology Biotechnology |
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