THE EFFECT OF ASPERGILLUS ISOLATES ON HYDROLYSIS OF SOIL ORGANIC PHOSPHORUS (PHYTIC ACID AND SODIUM GLYCEROPHOSPHATE)

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JAVAHERI T.; LAKZIAN A.; TAHERI P.; KHORASANI R.

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Journal: Journal of Water and Soil Year:2014 | Volume:27 | Issue:6 Page(s): 1090-1099

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Title

THE EFFECT OF ASPERGILLUS ISOLATES ON HYDROLYSIS OF SOIL ORGANIC PHOSPHORUS (PHYTIC ACID AND SODIUM GLYCEROPHOSPHATE)

Author(s)

JAVAHERI T. | LAKZIAN A. | TAHERI P. | KHORASANI R. | Issue Writer Certificate

Keywords

INORGANIC PHOSPHORUSQ2

HYDROLYSISQ2

ASPERGILLUSQ2

PHYTIC ACIDQ3

SODIUM GLYCEROPHOSPHATEQ2

Abstract

Organic phosphorus is the dominant part of soil phosphorus. PHYTIC ACID and SODIUM GLYCEROPHOSPHATE are two different forms of soil organic phosphorus. Soil fungi play an important role in the conversion of these compounds into inorganic forms. Among the fungi, ASPERGILLUS is one of the most effective organisms in HYDROLYSIS of organic compounds. In order to study the ability of ASPERGILLUS fungi on the HYDROLYSIS of PHYTIC ACID and SODIUM GLYCEROPHOSPHATE, an experiment was conducted as a completely randomized design with factorial arrangement and three replications. The first experimental factor include five fungi isolates (four ASPERGILLUS isolates, Trichoderma harzianum and control) and the second factor include two different organic phosphorus compounds (Phytic acid and SODIUM GLYCEROPHOSPHATE). All isolated were grown in PDB at 28oC and rate of HYDROLYSIS of INORGANIC PHOSPHORUS was determined after 14 days inoculation. In addition, acid and alkaline phosphatase activity and medium pH were measured. The results showed that ASPERGILLUS isolates and Trichoderma harzianummineralized organic phosphorus significantly (p<0.05). Among the studied isolates, the highest level of INORGANIC PHOSPHORUS was observed inAspergillus niger (A15) treatment. The results also showed that the type of organic phosphorus compound had a significant effect on HYDROLYSIS of organic phosphorus. The mineralization of Glycerophosphate was higher than PHYTIC ACID. Acid and alkaline phosphatase activity in SODIUM GLYCEROPHOSPHATE treatment was higher than PHYTIC ACID after 14 days inoculation but the pH of medium containing PHYTIC ACID decreased more than SODIUM GLYCEROPHOSPHATE. Mineralization of organic phosphorus had a positive and negative relationship with phosphatase activity and medium pH respectively.

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APA: Copy

JAVAHERI, T., LAKZIAN, A., TAHERI, P., & KHORASANI, R.. (2014). THE EFFECT OF ASPERGILLUS ISOLATES ON HYDROLYSIS OF SOIL ORGANIC PHOSPHORUS (PHYTIC ACID AND SODIUM GLYCEROPHOSPHATE). JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY), 27(6), 1090-1099. SID. https://sid.ir/paper/141091/en

Vancouver: Copy

JAVAHERI T., LAKZIAN A., TAHERI P., KHORASANI R.. THE EFFECT OF ASPERGILLUS ISOLATES ON HYDROLYSIS OF SOIL ORGANIC PHOSPHORUS (PHYTIC ACID AND SODIUM GLYCEROPHOSPHATE). JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY)[Internet]. 2014;27(6):1090-1099. Available from: https://sid.ir/paper/141091/en

IEEE: Copy

T. JAVAHERI, A. LAKZIAN, P. TAHERI, and R. KHORASANI, “THE EFFECT OF ASPERGILLUS ISOLATES ON HYDROLYSIS OF SOIL ORGANIC PHOSPHORUS (PHYTIC ACID AND SODIUM GLYCEROPHOSPHATE),” JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY), vol. 27, no. 6, pp. 1090–1099, 2014, [Online]. Available: https://sid.ir/paper/141091/en

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