Agricultural Science Digest
Chief EditorArvind kumar
Print ISSN 0253-150X
Online ISSN 0976-0547
NAAS Rating 4.75
SJR 0.156
Chief EditorArvind kumar
Print ISSN 0253-150X
Online ISSN 0976-0547
NAAS Rating 4.75
SJR 0.156
Screening of Compounds Secreted by Local Isolates of Phosphate Solubilizing Fungi (PSF) by GC-MS Analysis
Submitted04-12-2021|
Accepted27-04-2022|
First Online 27-06-2022|
Background: Microorganisms are an important factor in solubility of nutrition minerals; phosphate solubilizing fungi (PSF) considered one of the main sources of sustainability of agriculture production systems. Some fungi are well known for their natural capability to produce various organic acids, due to the lowering pH in the soil. The study amid to isolate PSF from rhizosphere soil and some plant residue and identify its secrenning compound using GC-MS analysis.
Methods: in laboratory investigation during 2016, isolates of PSF and check their solubilizing activities using selective artificial media PVK and NBRIP in soild and broth form. The secrening of secondary organic compound in broth culture extracted and identify using GC-MS analysis.
Result: the results inventory six isolates, among these isolates Aspergillus niger AD-A2 and AG-B1 were Distinguished by formed halo-clear zones around their colonies as a result of their phosphate-solubilizing ability in soild PVK and NBRIP media. pH decrese of the final product of PSF isolate in broth medium. Various compounds formed by submerged fermentation of A. niger isolates were 1,3-dioxan-5-ol (96.47%); octanoic acid, 4-chlorobenzyl ester (0.14%); 1,3,5-cycloheptatriene (0.58%); Crotonic acid (2.64%); 2-Propanone, 1,1-diethoxy (0.18%); 2-Butanone, 4-hydroxy (13.11%); 1-Tetrazol-2-ylethanone (86.4%); Propanethioamide (0.49%); Acetic acid, ethyl ester; Acetidin (100%); Methylolacetone (100%) and Trichoderma hamatum (T-113) were identified: Ethane, 1,1-diethoxy (100%) and 2-Butanone, 4-hydroxy-(100%).
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