Assessment of Rhizospheric Arbuscular Mycorrhizae Spores in Relation to Soil Characters in the Rice Fields of Malda District, India

Karmakar, Abhishake; Mandal, Prithwish; Adhikary, Rajsekhar; Mandal, Vivekananda

doi:10.3103/s1068367420010036

Cited by 5 publications

(2 citation statements)

References 11 publications

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“…According to my study, AMF coloniz does not form any significant relationship with the soil pH and electric conductivity soil texture is the main influencing factor for mycorrhizal growth and diversity. The content in soil was inversely proportionate to the spore count [29]. All of the investig paddy fields represent soil with a higher clay content, and it can be suggested that, d the low level of porosity in clay soil, more O2 can't be reached the rice roots than in o soil types.…”

Section: Discussionmentioning

confidence: 98%

Assessment of Community Dynamics of Arbuscular Mycorrhizal Fungi in the Rice (Oryza sativa L.) Rhizosphere and Potential Application as Biofertilizer

et al. 2022

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Arbuscular mycorrhizal fungi (AMF) have the potential to maintain the sustainability of rice cultivation via maintaining soil health. The objective of this study was to produce an AMF-based biofertilizer for the rice variety Bg350 using indigenous dominant species of AMF that are adapted to paddy wetland soil conditions in dry, wet, and intermediate zones in Sri Lanka and are co-inoculated with the bacterium Azospirillum. A pot experiment was carried out to evaluate the effectiveness of the produced biofertilizer using the rice variety Bg350. Treatments were inorganic fertilizer, compost, biochar, produced AMF-biofertilizer [1 kg of ground carrier material inoculated with 50 g of AMF propagules and 20 mL of 1.5 × 108 (CFU/mL) of Azospirillum], and the control. A two-factor factorial, completely randomized design was used under sterilized and non-sterilized soil conditions with four replicates. The genera Glomus, Claroideoglomus, and Aculospora were identified as the most common AMFs in paddy soil in all investigated sites. In the 9th week of sampling, AMF root colonization was positively correlated (p = 0.028) with spore density. In Sri Lanka, for the first time, the highest AMF colonization rates in rice were recorded at 36.40% in the roots of the Bg350 from the Gampaha district. AMF root colonization increased over sampling time and was different according to the interactive effect of fertilizer application and soil condition. The biometric parameters and yield-attributing characteristics were significantly higher in the rice plants grown in sterilized soil, independent of the tested treatments. The number of grains per panicle was significantly similar (p ≤ 0.05) in the compost, AMF-biofertilizer, and inorganic fertilizer added treatments. It can be concluded that application of paddy soil adapted AMF species as a biofertilizer increased rice plant growth, productivity, and yield.

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Section: Discussionmentioning

confidence: 98%

Assessment of Community Dynamics of Arbuscular Mycorrhizal Fungi in the Rice (Oryza sativa L.) Rhizosphere and Potential Application as Biofertilizer

et al. 2022

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“…In both the WST and the UWST, it is necessary to spend more time extracting fungal spores due to using sieves and centrifugations. In addition, the WST needs at least 10 g of a rhizosphere sample for fungal spore extraction [ 14 , 39 , 40 ]. On the other hand, the UCT allows for the efficient processing of multiple samples of small amounts (1 g) in a relatively short time (around 8 min for a minimum of six samples).…”

Section: Discussionmentioning

confidence: 99%

A New Technique for the Extraction of Arbuscular Mycorrhizae Fungal Spores from Rhizosphere

Boyno

Demir

Danesh

et al. 2023

JoF

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Monitoring the dynamics of the spore bank of arbuscular mycorrhizal fungi (AMF) is essential for the sustainable management and protection of agroecosystems. The most common method for extracting AMF spores from soil is the wet-sieving technique (WST). However, this method has many disadvantages. In this study, we modified the WST using new approaches: the ultrasound wet-sieving technique (UWST) and the ultrasound centrifuge technique (UCT). We enumerated and compared the numbers and quality of spores obtained from WST, UWST, and UCT to validate the new modified techniques. We extracted AMF spores from the rhizospheres of different plants, including wheat (Triticum aestivum L.), bean (Phaseolus vulgaris L.), tomato (Solanum lycopersicum L.), pepper (Piper nigrum L.), parsley (Petroselinum crispum Mill.), and turfgrass (Lolium perenne L.) collected from the Van Lake basin, Turkey. The highest and lowest AMF spore numbers were observed in wheat and turfgrass rhizospheres. The UCT allowed for the extraction of the highest number of spores from all rhizospheres, followed by the UWST and WST. The UWST and WST allowed for the extraction of similar spore numbers from wheat, pepper, parsley, and turfgrass rhizospheres. Beyond the high extracted spore number, UCT was shown to be a fast and low-material-consuming approach. These findings demonstrate that the UCT can be used to efficiently extract AMF spores in future research.

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Arbuscular mycorrhizal community analysis from a grassland ecosystem

Khan

2023

Microbial Symbionts

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Assessment of Rhizospheric Arbuscular Mycorrhizae Spores in Relation to Soil Characters in the Rice Fields of Malda District, India

Cited by 5 publications

References 11 publications

Assessment of Community Dynamics of Arbuscular Mycorrhizal Fungi in the Rice (Oryza sativa L.) Rhizosphere and Potential Application as Biofertilizer

Assessment of Community Dynamics of Arbuscular Mycorrhizal Fungi in the Rice (Oryza sativa L.) Rhizosphere and Potential Application as Biofertilizer

A New Technique for the Extraction of Arbuscular Mycorrhizae Fungal Spores from Rhizosphere

Arbuscular mycorrhizal community analysis from a grassland ecosystem

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