Mycorrhiza: a natural resource assists plant growth under varied soil conditions

Huey, Chew Jia; Gopinath, Subash C. B.; Uda, M. N. A.; Zulhaimi, H. I.; Jaafar, Mohd Saleh; Kasim, Farizul Hafiz; Yaakub, Ahmad Radi Wan

doi:10.1007/s13205-020-02188-3

Cited by 35 publications

(21 citation statements)

References 36 publications

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“…Mohammadi, et al further state that mycorrhizae in the presence of a thick hyphal sheath can increase the surface area of the root system, thereby increasing the absorption area [23]. According to Huey, et al [24] the presence of fungal hyphae, which can easily penetrate the soil, provides an advantage in nutrient uptake by providing a wider cruising space due to having a smaller diameter, thereby providing a wider field of nutrient absorption. The inoculation of MHB helps to increase the effectiveness of mycorrhizal infection against plant roots through several mechanisms, one of which is the bacteria initiating the formation of IAA to form short roots to allow increased interaction possibilities.…”

Section: Resultsmentioning

confidence: 99%

Influence of Biological Agents in Controlling Nematodes and Improving Growth of Coffee Seedling and Soil P-Availability

Fitriatin

Hindersah

Asyiah

et al. 2022

ijsar

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Pests and diseases cause significant yield losses in coffee cultivation in Indonesia. In particular, Pratylenchus coffeae is the most common nematode in Indonesia known to harm coffee plants. In dealing with the threat of P. coffeae, mycorrhiza is used as a biological agent to increase the growth of coffee plants as well as control the nematode. This experiment was conducted to determine the formulation of biological agents in the form of mycorrhizae enriched with mycorrhizal helper bacteria (MHB) to control nematodes and increase the growth of coffee seedlings and soil P-availability. The mycorrhizae used in this experiment were Glomus spp., while the liquid MHB formula used Pseudomonas diminuta and Bacillus subtilis. The randomized block design was used with treatments consisting of control (without biological agents); inoculation of P. coffeae; Glomus + P coffeae; Glomus + MHB 108+ P coffeae; Glomus + MHB 109+ P coffeae. Observations were made on the growth of coffee seedlings and the nematode population of P. coffeae 10 weeks after administered treatments. Results revealed that inoculation of biological agents Glomus spp. + the liquid MHB formula increased the growth of coffee seedlings, soil P-availability, and reduced the population of P. coffeae. The best treatment was Glomus spp. + MHB 108 which can reduce the population of P. coffeae by 65%.

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Section: Resultsmentioning

confidence: 99%

Influence of Biological Agents in Controlling Nematodes and Improving Growth of Coffee Seedling and Soil P-Availability

Fitriatin

Hindersah

Asyiah

et al. 2022

ijsar

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“…Further, it has been demonstrated that different mycorrhizal species respond differently depending on the plant species with which they are associated (Ortas & Ustuner, 2014 ). Interestingly, some fungicide and/or herbicide treatments have no effect on mycorrhizal growth (Huey et al, 2020 ). Hence, the synergistic interactions of plants and fungi are highly variable but can be critical for sustainable agriculture because they allow plants to grow and develop naturally rather than through the use of agrochemicals.…”

Section: Discussionmentioning

confidence: 99%

Mechanistic assessment of tolerance to iron deficiency mediated by Trichoderma harzianum in soybean roots

Kabir

Rahman

et al. 2022

Journal of Applied Microbiology

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Aims: Iron (Fe) deficiency in soil is a continuing problem for soybean (Glycine max L.) production, partly as a result of continuing climate change. This study elucidates how Trichoderma harzianum strain T22 (TH) mitigates growth retardation associated with Fe-deficiency in a highly sensitive soybean cultivar. Methods and Results: Soil TH supplementation led to mycelial colonization and the presence of UAOX1 gene in roots that caused substantial improvement in chlorophyll score, photosynthetic efficiency and morphological parameters, indicating a positive influence on soybean health. Although rhizosphere acidification was found to be a common feature of Fe-deficient soybean, the upregulation of Fe-reductase activity (GmFRO2) and total phenol secretion were two of the mechanisms that substantially increased the Fe availability by TH. Heat-killed TH applied to soil caused no improvement in photosynthetic attributes and Fe-reductase activity, confirming the active role of TH in mitigating Fe-deficiency. Consistent increases in tissue Fe content and increased Fe-transporter (GmIRT1, GmNRAMP2a, GmNRAMP2b and GmNRAMP7) mRNA levels in roots following TH supplementation were observed only under Fe-deprivation. Root cell death, electrolyte leakage, superoxide (O 2 •-) and hydrogen peroxide (H 2 O 2 ) substantially declined due to TH in Fe-deprived plants.Further, the elevation of citrate and malate concentration along with the expression of citrate synthase (GmCs) and malate synthase (GmMs) caused by TH suggest improved chelation of Fe in Fe-deficient plants. Results also suggest that TH has a role in triggering antioxidant defence by increasing the activity of glutathione reductase (GR) along with elevated S-metabolites (glutathione and methionine) to stabilize redox status under Fe-deficiency.Conclusions: TH increases the availability and mobilization of Fe by inducing Feuptake pathways, which appears to help provide resistance to oxidative stress associated with Fe-shortage in soybean. Significance and Impact of the Study:These findings indicate that while Fe deficiency does not affect the rate or degree of TH hyphal association in soybean roots, the beneficial effects of TH alone may be Fe deficiency-dependent.

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“…However, several recent studies have explored the potential of these mycorrhizae in stressful environments. Recent studies have shown that VAM is common in waterlogged land, and suited for poor-quality and low-fertility soils [15][16][17][18] . Anoxic or hypoxic conditions caused by waterlogging do not prevent VAM colonization 16,19 .…”

Section: Relative Abundance Of Mycorrhizal Bacterial and Fungal Speci...mentioning

confidence: 99%

التنوع البيولوجي وتنوع الكائنات الحية الدقيقة لنباتات الدوكو المتوطنة في موقع النمو الرئيسي الرطب والجاف في جامبي ، إندونيسيا

Hayati,

Marwan,

Wilia

2024

Baghdad Sci.J

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Duku are endemic plants of Jambi Province, Indonesia. They inhabit and used to grow well in alluvial along riverbanks, but lately have experienced sudden death disease outbreaks for the last decades. This situation has been prevalent since the frequent flooding due to the depletion of forest areas upstream. Since it is caused by water mold Phytophthora palmivora, it was supposed that sudden death disease should only occur in wet areas, but factually, the disease is also found in dry areas. This inspired us to investigate other soil biology factors of its rhizosphere in wet and dry habitats. Samples came from the rhizosphere of diseased and healthy duku in several alluvial areas of the Batang Hari River representing wet and dry habitats. This study found that the soil microbial community in dry and wet habitats was inhabited by mycorrhizal communities, bacteria, and fungi. The relative abundance of microbes in dry and wet habitats in healthy and diseased plants showed varied species. In the wet habitat-healthy plants, the relative abundance of Sclerocytis was 33.33%, Gigaspora 33.34%, and Glomus 33.33%. In the wet habitat-diseased plants, the relative abundance of mycorrhizae was Sclerocytis 66.67%, Glomus 33.33%, and no Gigaspora. The bacteria group was found to be the largest at 70,49% in dry habitats and 72.13% in wet habitats. The fungal group was 14,08% in dry and 16.39% in wet habitats. Mycorrhiza showed the smallest percentage in the rhizosphere of duku plants. We found that VAM correlated negatively with N, and P in the rhizosphere, and Glomus sp. existence correlated positively with soil K.

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Mycorrhiza: a natural resource assists plant growth under varied soil conditions

Cited by 35 publications

References 36 publications

Influence of Biological Agents in Controlling Nematodes and Improving Growth of Coffee Seedling and Soil P-Availability

Influence of Biological Agents in Controlling Nematodes and Improving Growth of Coffee Seedling and Soil P-Availability

Mechanistic assessment of tolerance to iron deficiency mediated by Trichoderma harzianum in soybean roots

التنوع البيولوجي وتنوع الكائنات الحية الدقيقة لنباتات الدوكو المتوطنة في موقع النمو الرئيسي الرطب والجاف في جامبي ، إندونيسيا

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