Effect of biochar and Trichoderma application on fungal diversity and growth of Zea mays in a sandy loam soil

doi:10.22364/eeb.15.30

Cited by 5 publications

(5 citation statements)

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“…The application of Trichoderma harzianum along with organic waste resulted in levels of accessible P and promoted soil carbon fixation (Khomari et al, 2018 ). According to Muter et al ( 2017 ), the treatment of biochar together with Trichoderma improved the germination of maize seeds and produced higher plants. Biochar in combination with vermi-compost known to have stimulating effect on plant growth as well as on the fungal and bacterial populations in the soil (Wang et al, 2021 ).…”

Section: Discussionmentioning

confidence: 99%

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Demonstration of the synergistic effect of biochar and Trichoderma harzianum on the development of Ralstonia solanacearum in eggplant

Ahmad,

Akhter,

Haider

et al. 2024

Front. Microbiol.

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Soil degradation has been accelerated by the use of chemical pesticides and poor agricultural practices, which has had an impact on crop productivity. Recently, there has been a lot of interest in the use of eco-friendly biochar applications to enhance soil quality and sequester carbon in sustainable agriculture. This study aimed to determine the individual and combined effects of Leaf Waste Biochar (LWB) and the bio-control agent Trichoderma harzianum (BCA) on the development of bacterial wilt in eggplants (Solanum melongena) caused by Ralstonia solanacearum (RS). The effects of LWB and BCA on eggplant physiology and defense-related biochemistry were comprehensively examined. Inoculated (+RS) and un-inoculated (–RS) eggplants were grown in potting mixtures containing 3% and 6% (v/v) LWB, both with and without BCA. The percentage disease index was considerably reduced (90%) in plants grown in the 6% LWB+ BCA amended treatments. Moreover, the plants grown in LWB and inoculated with BCA had higher phenolics, flavonoids and peroxidase contents compared to the non-amended control. The level of NPK was significantly increased (92.74% N, 76.47% P, 53.73% K) in the eggplants cultivated in the 6% LWB + BCA composition. This study has shown that the association of T. harzianum with biochar improved plant growth and reduced R. solanacearum induced wilt. Furthermore, the combined impact of biochar and T. harzianum was greater in terms of wilt suppression and increase in plant physiological measurements when the biochar concentration was 6%. Biochar and bio-control agents triggered biochemical alterations, thus enhancing the management of disease-infested soils.

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Section: Discussionmentioning

confidence: 99%

“…The application of Trichoderma harzianum in conjunction with organic waste resulted in higher levels of accessible Phosphorus (P) and promoted soil carbon fixation (Khomari et al, 2018 ). According to Muter et al ( 2017 ), the treatment of biochar together with Trichoderma improved the germination of maize seeds and biomass production.…”

Section: Introductionmentioning

confidence: 99%

Demonstration of the synergistic effect of biochar and Trichoderma harzianum on the development of Ralstonia solanacearum in eggplant

Ahmad,

Akhter,

Haider

et al. 2024

Front. Microbiol.

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“…A biocontrol preparation may not possess all these properties, but it should have as many of these desirable properties as possible [22]. Different carrier materials have been described in the literature, e.g., composted manure [23], bagasse [24], wood [25], biochar [26], polymeric formulations [27], talc [28], and peat [29], the latter being a frequently used formulation of Trichoderma spp. products [30,31], as peat is a widely used substrate for horticulture [32].…”

Section: Introductionmentioning

confidence: 99%

“…Such preparations have been reported to have a shelf life of 3-4 months [25,33]. In some cases, the microorganism was able to achieve viability and a high CFU/g output (up to 8 × 10 6 CFU/g) when samples were stored for 24 weeks [26,34]. However, commercial peat-based preparations would require a shelf life of at least one year.…”

Section: Introductionmentioning

confidence: 99%

Impact of Growth Conditions on the Viability of Trichoderma asperellum during Storage

Rimkus¹,

Namina²,

Dzierkale³

et al. 2023

Microorganisms

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As excellent biocontrol agents and plant growth promoters, Trichoderma species are agriculturally important. Trichoderma spp. cultures can be produced using solid-state or submerged cultivation, the latter being much less labor intensive and easier to control and automate. The aim of the study was to investigate the ability to increase the shelf-life of T. asperellum cells by optimizing cultivation media and upscaling the submerged cultivation process. Four different cultivation media were used with or without the addition of Tween 80 and stored with or without incorporation into peat, and viability, expressed as CFU/g, was assessed during one year of storage in an industrial warehouse. The addition of Tween 80 had a positive effect on the biomass yield. The culture medium played a major role in the ability of the mycelium to produce spores, which in turn influenced the amount of CFU. This effect was less pronounced when the biomass was mixed with peat prior to storage. A procedure that increases the number of CFU in a peat-based product formulation is recommended, namely, incubation of the mixture at 30 °C for 10 days prior to storage at 15 °C over an extended period of time.

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“…Biochar, an amendment obtained by the pyrolysis or pyrogasification of renewable resources, sometimes considered waste, is a good candidate [ 15 , 16 ]. Moreover, its structural porosity makes it ideal to provide a niche in which microorganisms can survive environmental stress [ 14 , 17 , 18 , 19 , 20 ]. The use of biochar as a carrier of biofertilizers has been suggested [ 16 , 21 ] but to evaluate its feasibility, it is important to study the biochar effect on soil and plants in controlled growth conditions.…”

Section: Introductionmentioning

confidence: 99%

A Metagenomic and Gene Expression Analysis in Wheat (T. durum) and Maize (Z. mays) Biofertilized with PGPM and Biochar

Graziano

Caldara

Gullì

et al. 2022

IJMS

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Commodity crops, such as wheat and maize, are extremely dependent on chemical fertilizers, a practice contributing greatly to the increase in the contaminants in soil and water. Promising solutions are biofertilizers, i.e., microbial biostimulants that when supplemented with soil stimulate plant growth and production. Moreover, the biofertilizers can be fortified when (i) provided as multifunctional consortia and (ii) combined with biochar with a high cargo capacity. The aim of this work was to determine the molecular effects on the soil microbiome of different biofertilizers and delivery systems, highlight their physiological effects and merge the data with statistical analyses. The measurements of the physiological parameters (i.e., shoot and root biomass), transcriptomic response of genes involved in essential pathways, and characterization of the rhizosphere population were analyzed. The results demonstrated that wheat and maize supplemented with different combinations of selected microbial consortia and biochar have a positive effect on plant growth in terms of shoot and root biomass; the treatments also had a beneficial influence on the biodiversity of the indigenous rhizo-microbial community, reinforcing the connection between microbes and plants without further spreading contaminants. There was also evidence at the transcriptional level of crosstalk between microbiota and plants.

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Effect of biochar and Trichoderma application on fungal diversity and growth of Zea mays in a sandy loam soil

Abstract: Abstract. Application of biochar (BC) to agricultural soils has raised global interest. BC could serve as a carrier for immobilization of beneficial microorganisms. Effect of straw-derived BC (50 t ha

Cited by 5 publications

References 30 publications

Demonstration of the synergistic effect of biochar and Trichoderma harzianum on the development of Ralstonia solanacearum in eggplant

Demonstration of the synergistic effect of biochar and Trichoderma harzianum on the development of Ralstonia solanacearum in eggplant

Impact of Growth Conditions on the Viability of Trichoderma asperellum during Storage

A Metagenomic and Gene Expression Analysis in Wheat (T. durum) and Maize (Z. mays) Biofertilized with PGPM and Biochar

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