Impact of phosphate-solubilizing fungi on the yield and phosphorus-uptake by wheat and faba bean plants

Wahid, Omar A. Abdul; Mehana, T. A.

doi:10.1016/s0944-5013(00)80036-1

Cited by 74 publications

(9 citation statements)

References 12 publications

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“…The phosphate-solubilizing capabilities of filamentous fungi and bacteria have been studied. Wahid and Mehana (2000) have reported the consortium effect of three phosphate-solubilizing fungal isolates (Aspergillus niger, A. fumigatus, and Penicillium pinophilum) on the faba bean and wheat. They observed that the yield of wheat and faba bean plants increased in response to the soil inoculation with three fungal species, and Penicillium pinophilum played the most effective role.…”

Section: Fundingmentioning

confidence: 99%

Multifarious functional traits of free-living rhizospheric fungi, with special reference to Aspergillus spp. isolated from North Indian soil, and their inoculation effect on plant growth

et al. 2021

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Purpose Rhizospheric soil fungi are critical for plant and soil health. However, their multiple functional traits and impact on plant growth have not been systematically explored. Methods During this study, biochemical traits of 73 indigenous soil fungal isolates and 15 unidentified isolates related to plant growth promotion and production of extracellular enzymes were studied. Results Forty four (65.67%) of the total isolates produced indole acetic acid (IAA) followed by siderophore (52.23%), phosphate solubilization (37.31%), and antibiotic (11.93%). 91.04% of the studied isolates produced ammonia whereas 28.35% produced organic acid. Extracellular enzyme activities of lipase, amylase, chitinase, and cellulase were detected among 95.52%, 61.11%, 35.82%, and 41.79% isolates, respectively. Based on these activities, 73 fungal isolates were categorized into different biotypes. Quantitative analysis of IAA production and phosphate solubilization was carried out for Aspergillus, Penicillium, and Rhizopus isolates. Aspergillus isolates exhibited varying activities of IAA production and phosphate solubilization. Most of the Aspergillus isolates and some other fungi demonstrated multiple activities. Based on the multiple traits of selected fungal isolates, Aspergillus sp-07, Penicillium sp-03, and Rhizopus sp-02 were further evaluated in different combinations for their inoculation effect on the growth and yield of wheat under field conditions. Conclusions The results indicated that these isolates could be developed into bio-inoculants to enhance plant growth. The consortium of these three isolates was also found to be compatible and beneficial for plant growth.

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Section: Fundingmentioning

confidence: 99%

Multifarious functional traits of free-living rhizospheric fungi, with special reference to Aspergillus spp. isolated from North Indian soil, and their inoculation effect on plant growth

et al. 2021

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“…Apatite has been assumed to be an ideal material in Pb immobilization via the formation of pyromorphite [Pyro, Pb 5 (PO 4 ) 3 (OH,F,Cl)], which has a low K sp value (∼10 –70 –10 –80 ). ,, Therefore, apatite has been applied widely in lead remediation. ,, The modified formulas for the apatite dissolution and Pb immobilization can be described as , However, the most common apatite, geological fluorapatite, has extremely low solubility (P release of <1 ppm in water) . Therefore, hydroxylapatite [HAp, Ca 5 (PO 4 ) 3 OH] and bioapatite (BAp) with higher solubility (than geological fluorapatite) have usually been employed in Pb remediation. − BAp is a biogenic nanocrystalline apatite, which is a type of HAp but is carbonated and hydroxyl-deficient. , Such features of BAp cause its higher solubility than standard HAp. The combination of clay minerals and BAp, hence, could be a potential way to immobilize Pb.…”

Section: Introductionmentioning

confidence: 99%

Characterizing the Mechanisms of Lead Immobilization via Bioapatite and Various Clay Minerals

Tang

Zheng

et al. 2017

ACS Earth Space Chem.

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Immobilizing lead (Pb) in contaminated water and soils via mineralization is an emerging field of interest in environmental remediation. This study investigated the feasibility of applying bioapatite and typical clay minerals (kaolinite, palygorskite, and montmorillonite) to immobilize Pb 2+ cations in water. The mechanisms of lead immobilization were studied by inductively coupled plasma optical emission spectrometry (ICP−OES), X-ray diffraction (XRD), and high-resolution transmission electron microscopy (HRTEM). Montmorillonite shows the highest efficiency in Pb remediation (reduced from ∼2000 to 30 ppm) with the addition of bioapatite. The XRD and HRTEM results demonstrated that aqueous Pb removal efficiency is facilitated by bioapatite via reacting with Pb to form pyromorphite mineral [Pb 5 (PO 4 ) 3 (F,Cl,OH)]. The high surface area and cation-exchange capability of montmorillonite allow its abundant absorption of Pb 2+ and, hence, cause the enriched formation of pyromorphite on its surface. In contrast, the low surface area of kaolinite does not allow substantial absorption of Pb, and pyromorphite was primarily formed in the solution rather than on its surface. In addition, some Pb 2+ cations were trapped within the mineral fibrous aggregates of palygorskite, which limits the lead immobilization via the formation of pyromorphite on its surface or within the fibrous aggregates. This study sheds light on the bright future of the application of bioapatite and montmorillonite in Pb-contaminated water and soils.

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“…In such case the two possible ways to increase plant available phosphorus are the use of phosphate solubilizing microorganisms or by decreasing soil pH. A great attention has been paid to the use of phosphate dissolving microorganisms (Saber et al, 1983;Ibrahim et al, 1995;Abdul Wahid and Mehana, 1999;Hamissa et al, 2000 andKnany et al, 2004). Knany et al (2004) stated that, the highest faba bean seed and straw yields were obtained with 15 kg P 2 O 5 fed -1…”

Section: Introductionmentioning

confidence: 99%

Effect of Furrow Spacing and Phosphorus Fertilization Treatments on Faba Bean Yield, Nutrients Content and Some Water Relationships

El-Saady

El-Atawy

Atia

2011

Journal of Soil Sciences and Agricultural Engineering

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Two field trials were carried out at Sakha Agric. Res. St. farm during two successive winter seasons of 2007/2008 and 2008/2009, to assess the effect of planting methods and phosphorus fertilization treatments on faba bean yield, nutrient contents and some water relationships. Faba bean (Vicia faba L.) seeds var. Sakha 2 were planted on November in both seasons. Split plot design was used with four replicates. The main plots were assigned by two planting methods i.e. A: 120 cm furrow spacing with 4 planting rows per furrow and B:60 cm furrow spacing with 2 planting rows per furrow. The sub plots were assigned by four phosphorus treatments .e.1-application of 30 kg P2O5 fed-1 (ha = 2.4 fed.) as superphosphate 15.5% P2O5 (P2O5 = 2.29 x P) , 2-completing the soil available phosphorus up to 30 kg P2O5 fed

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Impact of phosphate-solubilizing fungi on the yield and phosphorus-uptake by wheat and faba bean plants

Cited by 74 publications

References 12 publications

Multifarious functional traits of free-living rhizospheric fungi, with special reference to Aspergillus spp. isolated from North Indian soil, and their inoculation effect on plant growth

Multifarious functional traits of free-living rhizospheric fungi, with special reference to Aspergillus spp. isolated from North Indian soil, and their inoculation effect on plant growth

Characterizing the Mechanisms of Lead Immobilization via Bioapatite and Various Clay Minerals

Effect of Furrow Spacing and Phosphorus Fertilization Treatments on Faba Bean Yield, Nutrients Content and Some Water Relationships

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