Fertilization and irrigation practice as source of microorganisms and the impact on nematodes as their potential vectors

Roth, Eyal; Samara, Nasser; Ackermann, Michael; Seiml-Buchinger, René; Saleh, Azzam; Rueß, Liliane

doi:10.1016/j.apsoil.2015.02.002

Cited by 8 publications

(3 citation statements)

References 64 publications

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“…Nematode faunal analysis inferred by EI and SI indicate that the soil food webs in NT were less disturbed, more stable and structured due to the increasing of free-living nematodes, while the soil food webs in CT were degraded due to stressed soil surroundings. Roth et al (2015) also suggested that the soil food web was more complex in organic reduced-and no-tillage systems with high EI and SI values.…”

Section: Changes Of Soil Nematode Ecological Indicesmentioning

confidence: 94%

Response of soil nematode community composition and diversity to different crop rotations and tillage in the tropics

Zhong

Zeng

Jin

2016

Applied Soil Ecology

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Section: Changes Of Soil Nematode Ecological Indicesmentioning

confidence: 94%

Response of soil nematode community composition and diversity to different crop rotations and tillage in the tropics

Zhong

Zeng

Jin

2016

Applied Soil Ecology

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“…The type of organic materials used in fields may also influence differential suppression of plant parasitic nematodes in soils ( Li et al, 2010 ; Roth et al, 2015 ). For example, sugarcane bagasse and sugarcane refinery sludge were used as organic inputs in a banana field, where their application suppressed the relative abundance of plant parasitic nematodes more so than the application of plant residues ( Tabarantab et al, 2011 ), and the latter’s effects on plant parasites also differed from those of animal manure.…”

Section: Discussionmentioning

confidence: 99%

Organic Fertilization Assembles Fungal Communities of Wheat Rhizosphere Soil and Suppresses the Population Growth of Heterodera avenae in the Field

Qiu

et al. 2020

Front. Plant Sci.

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Heterodera avenae (cereal cyst nematode, CCN) infects wheat and other cereal crops and causes severe losses in their yield. Research has shown that CCN infestations can be mitigated by organic fertilization in wheat fields, but the mechanisms underlying this phenomenon are still largely unknown. In this study, the relationships among CCN, soil properties, and soil fungal communities with organic fertilizer (OF) or chemical fertilizer (CF) and without fertilizer (CK), were investigated for two years in a wheat field in Henan province, China. Our results showed that the concentrations of soil total N, total P, available P, available K, and organic matter were all promoted by the OF treatment at the jointing stage of wheat, coinciding with the peak in egg hatching and penetration of wheat root by CCNs. Soil total N correlated positively (R 2 = 0.759, p < 0.05) with wheat yields but negatively (R 2 = 0.663, p < 0.01) with Pf/Pi (index of cyst nematode reproduction), implying the regulated soil property contributes to suppressing CCN in the OF treatment. Furthermore, fungal community α-diversity (Shannon and Simpson) and β-diversity (PCoA) of rhizosphere soil was improved under the organic fertilizer treatment. The fungal genera negatively associated with the Pf/Pi of CCN were highly enriched, which included Mortierella and Chaetomium , two taxa already reported as being nematophagous fungi in many other studies. These two genera were heavily surrounded by much more related fungal genera in the constructs co-occurrence network. These results suggested that the OF treatment shifted soil fungal community functioning towards the suppression of CCN. Taken together, the suppressed cyst nematode reproduction with the assembly of fungal communities in the rhizosphere led to greater wheat yields under organic fertilization. These findings provide an in-depth understanding of the benefits provided by organic fertilization for developing sustainable agriculture.

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“…Another general pattern often observed in disturbed agricultural soils is the lack or decreased abundance of organisms of higher trophic levels, such as carnivorous and omnivorous nematodes [78], assigned to the group of K life strategists (persisters). However, the opposite trend was also occasionally detected [83,84]. Studies comparing conventional to no-tillage management showed a greater abundance in no-tillage of nematodes from both trophic groups, while others did not reveal a clear effect on either feeding group [81,85,86].…”

Section: Land Use Intensitymentioning

confidence: 99%

Functional Diversity of Soil Nematodes in Relation to the Impact of Agriculture—A Review

et al. 2021

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The analysis of the functional diversity of soil nematodes requires detailed knowledge on theoretical aspects of the biodiversity–ecosystem functioning relationship in natural and managed terrestrial ecosystems. Basic approaches applied are reviewed, focusing on the impact and value of soil nematode diversity in crop production and on the most consistent external drivers affecting their stability. The role of nematode trophic guilds in two intensively cultivated crops are examined in more detail, as representative of agriculture from tropical/subtropical (banana) and temperate (apple) climates. The multiple facets of nematode network analysis, for management of multitrophic interactions and restoration purposes, represent complex tasks that require the integration of different interdisciplinary expertise. Understanding the evolutionary basis of nematode diversity at the field level, and its response to current changes, will help to explain the observed community shifts. Integrating approaches based on evolutionary biology, population genetics and ecology can quantify the contribution of nematode fauna to fundamental soil functions. These include carbon transformation, nutrient cycling, pest control and disease transmission. In conclusion, different facets of nematode diversity such as trophic groups, life history traits, variability in body size and/or taxa identities in combination with DNA-based techniques are needed in order to disclose nematode–soil–ecosystem functioning relationships. Further experimental studies are required to define locally adapted and sustainable management practices, through ecosystem-based approaches and nature-based solutions.

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Fertilization and irrigation practice as source of microorganisms and the impact on nematodes as their potential vectors

Cited by 8 publications

References 64 publications

Response of soil nematode community composition and diversity to different crop rotations and tillage in the tropics

Response of soil nematode community composition and diversity to different crop rotations and tillage in the tropics

Organic Fertilization Assembles Fungal Communities of Wheat Rhizosphere Soil and Suppresses the Population Growth of Heterodera avenae in the Field

Functional Diversity of Soil Nematodes in Relation to the Impact of Agriculture—A Review

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