Alleviation of heavy metal stress by arbuscular mycorrhizal symbiosis in Glycine max (L.) grown in copper, lead and zinc contaminated soils

Adeyemi, Nurudeen Olatunbosun; Atayese, M. O.; Sakariyawo, O. S.; Azeez, J. O.; Soremi, Paul Abayomi Sobowale; Olubode, Adebanke; Ridwan, Mudathir; Adebayo, Rukayat; Adeoye, Samuel

doi:10.1016/j.rhisph.2021.100325

Cited by 66 publications

(32 citation statements)

References 46 publications

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“…A plethora of findings confirmed that AM fungi colonized plants exhibited a greater growth rate by increasing leaf area, chlorophyll content, root length and photosynthetic rate as well as phytochemical constituents such as sugars, proteins, phenols, tannins and flavonoids (17)(18)(19)(20)(21)(22). Besides, it also enhance plant's resistance to various stresses including drought, salinity, herbivorous insect, temperature, heavy metal toxicity and phytopathogen (23)(24)(25)(26).…”

Section: Introductionmentioning

confidence: 88%

Effect of Glomus intraradices spore abundance of the inoculum on percent mycorrhizal colonization and growth of Vigna mungo (L.) Hepper

Selvaraj

2022

Plant Sci. Today

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Arbuscular mycorrhizal (AM) fungi are well known symbiotic microorganism found to improve the growth of host plant by mobilizing immobile nutrients, mainly phosphorus, from the soil. However, the effect of AM fungi on host plant growth depends on the percentage mycorrhizal colonization, whereas it is not clear that the percent mycorrhization impacts by AM fungal spore abundance of the inoculum. Therefore, the current investigation was conducted to know the effect of percent mycorrhization of Glomus intraradices on the growth of blackgram inoculated with varied numbers of AM fungal spores via seed biotization (1 to 10 AM fungal spores per seed). Percent mycorrhizal colonization and plant growth characteristics of blackgram were recorded after 10, 20 and 30 days of sowing (DOS). Our results are revealed that the percentage of mycorrhizal colonization significantly influenced based on the availability of AM fungal spore richness of the biotized seeds, which leads to altered crop growth. Percent mycorrhizal colonization in the roots of blackgram increased with increasing AM fungal spore abundance per seed and it ranges from 10 to 70 %. Moreover, mycorrhizal colonized plants recorded higher shoot and root length, leaf area, leaf area index, shoot and root biomass production as well as chlorophyll content over control, conversely it was increased further with increasing percent mycorrhizal colonization, which is directly proportional to the richness of the AM fungal spores per seed. Therefore, AM fungal spore abundance is one of the governing factors that influence percent mycorrhizal colonization in roots of plants besides AM fungal and plant species and soil condition.

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Section: Introductionmentioning

confidence: 88%

Effect of Glomus intraradices spore abundance of the inoculum on percent mycorrhizal colonization and growth of Vigna mungo (L.) Hepper

Selvaraj

2022

Plant Sci. Today

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“…Several studies have reported that root colonization by AMF has a positive effect on plant growth (Thioub et al, 2019;Adeyemi et al, 2020;2021b). This is often attributed to increased water and nutrients uptake, particularly P (Cozzolino et al, 2013;Williams et al, 2013;Adeyemi et al, 2021c).…”

Section: Resultsmentioning

confidence: 99%

Phosphate fertilization regulates arbuscular mycorrhizal symbiosis in roots of soybean (Glycine max L.) cultivars in a humid tropical soil

Adeyemi

Oni

Soremi

et al. 2021

AAS

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The effect of phosphate fertilization on arbuscular mycorhizal symbiosis and grain yields of soybean cultivars was investigated on P deficient soil. A two-year field study (2017-2018) consisting of two soybean cultivars (TGx 1448-2E and TGx 1440-1E) and three phosphate rates [0, 20 and 40 kg P2O5 ha-1) was laid out in a randomized complete block design with three replications. The results showed that P fertilization significantly (p < 0.001) reduced AMF root colonization of both cultivars in the two cropping years. The arbuscular, vesicular, internal hyphae and total colonization in the root cortex of the soybean cultivars were significantly (p < 0.001) reduced with high P (40 kg) application. However, moderate P (20 kg) promote AMF symbiosis in roots of ‘TG x 1448-2E‘. Dry mass (root and shoot), P uptake and grain yield of the soybean cultivars were significantly (p < 0.001) increased with increasing P ferilization. There was a strong linear relationships between root colonization and total dry matter mass (r = 0.81), P uptake (r = 0.81) and grain yield (r = 0.85). Thus, it could be concluded that moderate P fertilizer application is needed to promote mycorrhizal symbiosis in soybean and sustainable crop production in humid tropical soil.

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“…Not only elevating the heavy metal performance, the addition bacteria or fungi also boost the plants’ growth, indicated by the increment of dry weight, shoot, and root length. The increase of heavy metal removal from contaminated soil may be obtained from the increment of plant biomass and extracting more metals from the soil, and may occur due to the complex interactions between plants and rhizomicrobial species existing in the rhizosphere ( Adeyemi et al., 2021 ).…”

Section: Role Of Rhizobacteria In Phytoremediation Of Heavy Metal Con...mentioning

confidence: 99%

“…As widely discussed in previous reviews, phytoremediation works by several mechanisms, namely, phytoextraction, phytostabilization, rhizodegradation, rhizofiltration, phytovolatilization, phytodegradation, and phytofiltration ( Almaamary et al., 2022 ; Sharma, 2021 ). Phytoremediation of heavy metal focuses on two divisions; 1) metal immobilization in soil and roots in the rhizosphere ( Raklami et al., 2021 ); 2) mobilization, absorption, and conversion of metals in the aerial part ( Adeyemi et al., 2021 ; Diarra et al., 2021 ; Purwanti et al., 2020 ). Here, focus is more on the former division, with the help of PGPB/PGPF together with local microbial community in assisting phytoremediation.…”

Section: Role Of Rhizobacteria In Phytoremediation Of Heavy Metal Con...mentioning

confidence: 99%

Practical limitations of bioaugmentation in treating heavy metal contaminated soil and role of plant growth promoting bacteria in phytoremediation as a promising alternative approach

Kurniawan

Ramli

Said

et al. 2022

Heliyon

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Alleviation of heavy metal stress by arbuscular mycorrhizal symbiosis in Glycine max (L.) grown in copper, lead and zinc contaminated soils

Cited by 66 publications

References 46 publications

Effect of Glomus intraradices spore abundance of the inoculum on percent mycorrhizal colonization and growth of Vigna mungo (L.) Hepper

Effect of Glomus intraradices spore abundance of the inoculum on percent mycorrhizal colonization and growth of Vigna mungo (L.) Hepper

Phosphate fertilization regulates arbuscular mycorrhizal symbiosis in roots of soybean (Glycine max L.) cultivars in a humid tropical soil

Practical limitations of bioaugmentation in treating heavy metal contaminated soil and role of plant growth promoting bacteria in phytoremediation as a promising alternative approach

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