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Positive effect of inoculation with an Aspergillus strain on phosphorus and iron nutrition plus volatile organic compounds in rice
BV. Unnikrishnan, NK. Binitha
Language English Country Czech Republic
Document type Journal Article
- MeSH
- Aspergillus * metabolism growth & development MeSH
- Phosphorus * metabolism analysis MeSH
- Calcium Phosphates metabolism MeSH
- Hydrogen-Ion Concentration MeSH
- Plant Roots microbiology metabolism MeSH
- Citric Acid metabolism MeSH
- Soil Microbiology MeSH
- Oryza * microbiology metabolism growth & development MeSH
- Siderophores * metabolism MeSH
- Plant Stems microbiology metabolism chemistry MeSH
- Volatile Organic Compounds * metabolism analysis MeSH
- Iron * metabolism MeSH
- Publication type
- Journal Article MeSH
We explored the potential of a fungal strain Aspergillus costaricensis KS1 for modulating growth and nutrient mobilization in rice. At laboratory conditions, there was a decline in pH of the medium on inoculation with the strain and the production of citric acid was observed under broth conditions. Similarly, there was higher solubilization of tricalcium phosphate and siderophore production in liquid medium on inoculation with the strain. The effect of inoculation of KS1 was studied in rice and higher growth and yield were observed on inoculation compared to control. The content of phosphorus and iron in stem and roots of KS1 inoculated plants was higher in comparison with uninoculated control. There was also increased availability of phosphorus and iron content in soil grown with KS1 inoculated plants. In addition, inoculation with strain resulted in a higher content of volatile organic compounds such as linoleic acid, linolenic acid, and ethyl isoallocholate in stem of rice. A. costaricensis KS1 can be used for improving phosphorus and iron nutrition and impart tolerance against stresses in rice.
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- $a We explored the potential of a fungal strain Aspergillus costaricensis KS1 for modulating growth and nutrient mobilization in rice. At laboratory conditions, there was a decline in pH of the medium on inoculation with the strain and the production of citric acid was observed under broth conditions. Similarly, there was higher solubilization of tricalcium phosphate and siderophore production in liquid medium on inoculation with the strain. The effect of inoculation of KS1 was studied in rice and higher growth and yield were observed on inoculation compared to control. The content of phosphorus and iron in stem and roots of KS1 inoculated plants was higher in comparison with uninoculated control. There was also increased availability of phosphorus and iron content in soil grown with KS1 inoculated plants. In addition, inoculation with strain resulted in a higher content of volatile organic compounds such as linoleic acid, linolenic acid, and ethyl isoallocholate in stem of rice. A. costaricensis KS1 can be used for improving phosphorus and iron nutrition and impart tolerance against stresses in rice.
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