Influence of K-Solubilizing Fungi on Potassium Release from Silicate Minerals and some Growth Indices of Corn (Zea mays L. )

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SADEGHI SAEID; RASOULI SADAGHIANI MIRHASSAN; BARIN MOHSEN; SEPEHR EBRAHIM; Dovlti Behnam; Vahedi Roghaye

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Journal: APPLIED SOIL RESEARCH Year:2018 | Volume:6 | Issue:2 Page(s): 69-108

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Title

Influence of K-Solubilizing Fungi on Potassium Release from Silicate Minerals and some Growth Indices of Corn (Zea mays L. )

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Keywords

FungusQ1

Non exchangeable potassiumQ1

PlantQ1

Silicates mineralsQ1

Abstract

Application of silicate minerals and potassium solubilizing microorganisms is a common method for supplying of potassium to Plants. This study with the aim of isolation of potassium solubilizing fungi from rhizosphere soil and evaluation of quantitative ability of released potassium from different sources of silicate by strains was carried out as factorial experiment based on completely randomized design with three replications. Laboratory factors were including potassium sources in four levels (biotite, phlogopite, illite and muscovite), incubation time in six levels (0, 1, 3, 5, 7 and 10 days) and microorganisms in four strains (Aspergillus niger, Aspergillus terreus, Trichoderma harzianum and Penicellium sp. ) and greenhouse factors were including potassium sources in five levels (control, soluble potassium, phlogopite, illite and muscovite) and microbial inoculation in two levels (non-inoculated control and inoculation with fungi). Results showed that the highest potassium content (3. 21 μ g ml-1) was released ten days after incubation from biotite by strains of KSB2 that was not significantly different from other fungal strains. The microbial inoculation increased 25. 47 and 30. 37 percent Plant high and root dry weight compared to control treatments, respectively. The application of silicate minerals and microbial inoculation had a significant effect on some growth indices (stem diameter and shoot dry weight) and the content of potassium. The microbial inoculation increased potassium content of shoot and root in illite 3. 37 and 1. 43 times higher than control treatment, respectively. In general, the application of fungal inoculum had significant effect on potassium release of silicate minerals and Plant growth.

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APA: Copy

SADEGHI, SAEID, RASOULI SADAGHIANI, MIRHASSAN, BARIN, MOHSEN, SEPEHR, EBRAHIM, Dovlti, Behnam, & Vahedi, Roghaye. (2018). Influence of K-Solubilizing Fungi on Potassium Release from Silicate Minerals and some Growth Indices of Corn (Zea mays L. ). APPLIED SOIL RESEARCH, 6(2 ), 69-108. SID. https://sid.ir/paper/261925/en

Vancouver: Copy

SADEGHI SAEID, RASOULI SADAGHIANI MIRHASSAN, BARIN MOHSEN, SEPEHR EBRAHIM, Dovlti Behnam, Vahedi Roghaye. Influence of K-Solubilizing Fungi on Potassium Release from Silicate Minerals and some Growth Indices of Corn (Zea mays L. ). APPLIED SOIL RESEARCH[Internet]. 2018;6(2 ):69-108. Available from: https://sid.ir/paper/261925/en

IEEE: Copy

SAEID SADEGHI, MIRHASSAN RASOULI SADAGHIANI, MOHSEN BARIN, EBRAHIM SEPEHR, Behnam Dovlti, and Roghaye Vahedi, “Influence of K-Solubilizing Fungi on Potassium Release from Silicate Minerals and some Growth Indices of Corn (Zea mays L. ),” APPLIED SOIL RESEARCH, vol. 6, no. 2 , pp. 69–108, 2018, [Online]. Available: https://sid.ir/paper/261925/en

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