Silicon (Si)- and Zinc (Zn)-Solubilizing Microorganisms: Role in Sustainable Agriculture

Kumawat, Narendra; Kumar, Rakesh; Khandkar, U.R.; Yadav, R. K.; Saurabh, Kirti; Mishra, J. S.; Dotaniya, M. L.; Hans, Hansraj

doi:10.1007/978-3-030-18933-4_6

Cited by 9 publications

(8 citation statements)

References 99 publications

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“…Zn is available in soils in the inorganic form, which is commonly not an available form for plant assimilation. Zn-solubilizing microbes have been discovered in the soils of many crops and tested as plant growth promoting factors (Kumawat et al 2019). P. sclerotiorum is capable of solubilizing Zn (Nath et al 2015), which causes an increase in the plant nutrient acquisition, as it has been verified with the presence of S. indica in lettuce, which has increased the Zn concentration in their tissues, chlorophyll content and plant growth (Padash et al 2016).…”

Section: Other Nutrients Acquisitionmentioning

confidence: 99%

Endophytic fungi as direct plant growth promoters for sustainable agricultural production

Poveda

Eugui²,

Abril‐Urías

et al. 2021

Symbiosis

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Current rates of population growth require the development of new agricultural strategies to feed the world human and livestock. The massive use of agricultural chemicals causes serious damage to the environment, and to human and animal health. For this reason, the use of endophytic fungi represents a biological alternative in increasing agricultural productivity in a sustainable way. This group of microorganisms, which inhabit plant tissues and organs without causing symptoms of damage, includes a great diversity of filamentous fungi and yeasts that are capable of increasing agricultural productivity. Some of the mechanisms involved in promoting plant growth by means of endophytic fungi include the increasing access to nutrients (nitrogen, phosphorus, potassium, zinc, iron, etc.), production of plant hormones, the ethylene amount reduction, or increase in water acquisition rate. This review tries to compile all the works carried out in the last decades on endophytic fungi use as plant growth promoters with great potential in agriculture.

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Section: Other Nutrients Acquisitionmentioning

confidence: 99%

Endophytic fungi as direct plant growth promoters for sustainable agricultural production

Poveda

Eugui²,

Abril‐Urías

et al. 2021

Symbiosis

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“…Silicon dioxide, a substrate used by Penergetic technology, did not result in a significant increase in fungal development without the industrial process. Stimulus effect resulting from the presence of silicon dioxide has already been described by Kumawat et al (2019). The authors observed SiO 2 stimulation potential on biological activity.…”

Section: Resultsmentioning

confidence: 76%

In Vitro Activation of Microbial Growth in Low Frequency Electromagnetic Fields

Steffen¹,

Steffen²,

Maldaner³

2020

JAES

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The advances in productivity and product quality observed in world agriculture lead to the use of new technologies capable of meeting current demands. The use of low frequency electromagnetic fields has shown significant results. In this context, the objective of this study was determine the effects of Penergetic technology on the direct stimulation of beneficial soil microorganisms under in vitro conditions. Mycelial growth and conidial formation of Trichoderma asperelloides, mycelial growth of ectomycorrhizal fungi Pisolithus microcarpus and Suillus sp. and the multiplication of bacterial cells of Bradyrhizobium japonicum species in culture medium with and without the addition of Penergetic. Significant increases in fungal and bacterial growth were observed when using the commercial biostimulator in culture medium. The use of sustainable technological tools represents a viable path because it consists of a solid and efficient management alternative capable of increasing the stimulus to biological development in the soil and, consequently, to agricultural productivity in an environmentally and sustainable safety.

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“…Misra와 Chauhan [16]의 연구에 따르면, ACC deaminase 활성을 가진 Bacillus sp.을 접종하여 옥수수를 재배하였을 때, 에틸렌 생합성 효소가 감소하는 것을 확인하 였으며 이러한 결과를 통해 스트레스 조건하에서 Bacillus sp.이 식물 내의 에틸렌 생합성을 조절할 수 있음을 보고하 였다. 미네랄은 식물의 생장과 발달에 필수적이나 토양 내에서 대부분 불용성의 형태로 존재하고 있어 식물이 이용하는 데 어려움이 있다 [17]. 이와 관련하여 식물은 토양 내 존재하는 PGPR을 활용하는데, PGPR은 유기산 등을 생성하여 불용 성 미네랄을 가용화함으로써 식물에 미네랄을 공급하여 식 물 생장에 도움을 주는 것으로 알려져 있다 [17,18].…”

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“…미네랄은 식물의 생장과 발달에 필수적이나 토양 내에서 대부분 불용성의 형태로 존재하고 있어 식물이 이용하는 데 어려움이 있다 [17]. 이와 관련하여 식물은 토양 내 존재하는 PGPR을 활용하는데, PGPR은 유기산 등을 생성하여 불용 성 미네랄을 가용화함으로써 식물에 미네랄을 공급하여 식 물 생장에 도움을 주는 것으로 알려져 있다 [17,18]. 그 중에 서도 Bacillus sp.의 미네랄 가용화능과 관련한 연구들에 의 하면, 옥수수 생장 촉진과 수확량 증대 [19], 세포벽 강화와 질병 감소 [20] 등을 보고하였다.…”

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Comparison of the Antifungal Activity, Plant Growth Promoting Activity, and Mineral Solubilization Ability of Bacillus sp. Isolated from Rhizosphere Soils and Roots

Kim¹,

Oh²,

Lee³

et al. 2021

Kor. J. Microbiol. Biotechnol

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The purpose of this study was to evaluate the antifungal activity, plant-growth-promoting activity, and mineral solubilization ability of 10 species of phytopathogenic fungi to select a Bacillus sp. from rhizosphere soils and roots that can be used as a microbial agent. The antifungal activity for phytopathogenic fungi varied based on the Bacillus sp. Among the selected strains, DDP4, DDP16, DDP148, SN56, and SN95 exhibited antifungal activity for nine or more species of phytopathogenic fungi. Regarding nitrogen-fixation ability, all Bacillus sp. showed similar levels of activity, and siderophore production ability was relatively high in ANG42 and DDP427. The indole-3-acetic acid production abilities were in the range of 1.83-67.91 µg/ ml, with variations in activity based on the Bacillus sp. One strain with a high activity was selected from each species, and their mineral solubilization abilities were examined. Most Bacillus sp. could solubilize phosphoric acid and calcium carbonate, and DDP148 and SN56 could solubilize silicon and zinc, respectively. These results suggested that Bacillus sp. can be considered potential multi-purpose microbial agents for plant growth promotion and disease prevention.

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Silicon (Si)- and Zinc (Zn)-Solubilizing Microorganisms: Role in Sustainable Agriculture

Cited by 9 publications

References 99 publications

Endophytic fungi as direct plant growth promoters for sustainable agricultural production

Endophytic fungi as direct plant growth promoters for sustainable agricultural production

In Vitro Activation of Microbial Growth in Low Frequency Electromagnetic Fields

Comparison of the Antifungal Activity, Plant Growth Promoting Activity, and Mineral Solubilization Ability of Bacillus sp. Isolated from Rhizosphere Soils and Roots

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