Occurrence and diversity of insect-associated fungi in natural soils in China

Sun, Bing-Da; Liu, Xingzhong

doi:10.1016/j.apsoil.2007.12.001

Cited by 95 publications

(69 citation statements)

References 22 publications

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“…Entomopathogenic fungi were detected in all the 9 sub-simples analyzed (100%). Comparable results were found in the Moroccan endemic forests of Argania spinosa (91.62%) [16], but higher than in other countries: over 71.7% in Spain [28,34], 55.5% in China [35], 43% in Southern Italy [36], 33.6% in Palestine [37], 20.59% in Turkey [22] and 17.5% in the UK [21]. These comparisons must be taken with precautions because in all this studies the numbers and the type of larvae and number of repetitions used to trap entomopathogenic fungi from soil samples were different.…”

Section: Entomopathogenic Fungi Isolatedsupporting

confidence: 60%

“…This work may be considered as the first record of the high pathogenicity of species of Fusarium, Epicoccum, Scopulariopsis and Aspergillus niger against C. capitata. Fusarium species were considered as saprophytic fungi [35] and also reported to be pathogenic to Aphis gossypii Glover [30], Scirtothrips dorsalis Hood [40,41], Polyphagotarsonemus latus Banks [40], Aleurodicus dispersus Russel [42] and to other pests [37]. Species of Aspergillus have been found associated with a large number of insects such as larvae of bees (A. niger), Troglophilus neglectus (A. niger, A. ochraceus), and Culex pipiens (A. ochraceus) [38,39,43].…”

Section: Entomopathogenic Fungi Isolatedmentioning

confidence: 99%

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Diversity of Entomopathogenic Fungi in Argane Forest Soil and Their Potential to Manage Mediterranean Fruit Fly (Ceratitis capitata)

Hallouti¹,

Zahidi²,

Bouharroud³

et al. 2017

JPP

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Abstract:The present study forms a part of biological control against the medfly (Ceratitis capitata) and seeks to isolate and determine the diversity of the medfly-associated entomopathogenic fungi in soil samples collected from Argane (Argania spinosa) forest, in different localities of Souss-Massa region. Search and isolation of the indigenous populations of Ceratitis capitata entomopathogenic fungi was carried out by using larvae of this pest as baits. After trapping, isolation and identification of fungal isolates, a pathogenicity test was used to select fungal strains that have significant virulence potential against the Mediterranean fruit fly. The degree of virulence was estimated by the ability of the fungus to induce the disease and/or the death in the insect and also by calculating the lethal time 50 (LT50). The obtained results were clearly demonstrated the sensitivity of medfly to tested fungal strains and particularly to strains of Fusarium sp., Aspergillus niger and Scopulariopsis sp. that have shown high mortality rates (more than 84%) and to Trichoderma harzianum, Scedosporium sp., Epicoccum sp. and Ulocladium sp. with more than 70% mortality for the two tested concentrations. Furthermore these strains showed short LT 50 (less than 83 hours). All these results confirm the presence of entomopathogenic fungi of Ceratitis capitata in Argane soil, and prove the potential of entomopathogenic fungi for biocontrol of the Mediterranean fruit fly under laboratory conditions.

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Section: Entomopathogenic Fungi Isolatedsupporting

confidence: 60%

Section: Entomopathogenic Fungi Isolatedmentioning

confidence: 99%

Diversity of Entomopathogenic Fungi in Argane Forest Soil and Their Potential to Manage Mediterranean Fruit Fly (Ceratitis capitata)

Hallouti¹,

Zahidi²,

Bouharroud³

et al. 2017

JPP

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“…The patterns of animal endemism, for example, were likely influenced by the recent uplift of the Qinghai-Tibetan Plateau (Huang et al, 2008). Sun and Liu (2008) found that the diversity of insect-associated fungi in the Qinghai-Tibetan Plateau is significantly different from that in other areas in China. We therefore suspect that the uplift of the Qinghai-Tibetan Plateau had a similar effect on fungal biogeography in this region, that is, the fungal communities of the Qinghai-Tibetan Plateau may be relatively isolated and therefore different from those in other parts of China.…”

Section: Discussionmentioning

confidence: 99%

The biogeography of fungal communities in wetland sediments along the Changjiang River and other sites in China

et al. 2013

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Whether fungal community structure depends more on historical factors or on contemporary factors is controversial. This study used culture-dependent and -independent (polymerase chain reactiondenaturing gradient gel electrophoresis (PCR-DGGE)) methods to assess the influence of historical and contemporary factors on the distributions of fungi in the wetland sediments at 10 locations along the Changjiang River and at 10 other locations in China. The culture-dependent approach detected greater species diversity (177 operational taxonomic units (OTUs)) than PCR-DGGE analysis (145 OTUs), and the species in the genera of Penicillium (relative frequency ¼ 16.8%), Fusarium (15.4%), Aspergillus (7.6%), Trichoderma (5.8%) and Talaromyces (4.2%) were dominant. On the basis of DGGE data, fungal diversity along the Changjiang River increased from upstream to downstream; altitude explained 44.8% of this variation in diversity. And based on the data from all 20 locations, the fungal communities were geographically clustered into three groups: Southern China, Northern China and the Qinghai-Tibetan Plateau. Multivariate regression tree analysis for data from the 20 locations indicated that the fungal community was influenced primarily by location (which explained 61.8% of the variation at a large scale), followed by total potassium (9.4%) and total nitrogen (3.5%) at a local scale. These results are consistent with the concept that geographic distance is the dominant factor driving variation in fungal diversity at a regional scale (1000-4000 km), whereas environmental factors (total potassium and total nitrogen) explain variation in fungal diversity at a local scale (o1000 km).

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“…However, studies made on wider range of altitudes (up to > 5200 m) made by Sun & Liu showed great importance of this factor on the species diversity of insect-associated fungi (Sun & Liu, 2008).…”

Section: Geographical and Ecological Distribution Of Entomopathogenicmentioning

confidence: 99%

Entomopathogenic Fungi as an Important Natural Regulator of Insect Outbreaks in Forests (Review)

Augustyniuk-Kram¹,

Kram²

2012

Forest Ecosystems - More Than Just Trees

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The common idea for many people is that forests are just a collection of trees. However, they are much more than that. They are a complex, functional system of interacting and often interdependent biological, physical, and chemical components, the biological part of which has evolved to perpetuate itself. This complexity produces combinations of climate, soils, trees and plant species unique to each site, resulting in hundreds of different forest types around the world. Logically, trees are an important component for the research in forest ecosystems, but the wide variety of other life forms and abiotic components in most forests means that other elements, such as wildlife or soil nutrients, should also be the focal point in ecological studies and management plans to be carried out in forest ecosystems. In this book, the readers can find the latest research related to forest ecosystems but with a different twist. The research described here is not just on trees and is focused on the other components, structures and functions that are usually overshadowed by the focus on trees, but are equally important to maintain the diversity, function and services provided by forests. The first section of this book explores the structure and biodiversity of forest ecosystems, whereas the second section reviews the research done on ecosystem structure and functioning. The third and last section explores the issues related to forest management as an ecosystem-level activity, all of them from the perspective of the �other� parts of a forest.

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Occurrence and diversity of insect-associated fungi in natural soils in China

Cited by 95 publications

References 22 publications

Diversity of Entomopathogenic Fungi in Argane Forest Soil and Their Potential to Manage Mediterranean Fruit Fly (Ceratitis capitata)

Diversity of Entomopathogenic Fungi in Argane Forest Soil and Their Potential to Manage Mediterranean Fruit Fly (Ceratitis capitata)

The biogeography of fungal communities in wetland sediments along the Changjiang River and other sites in China

Entomopathogenic Fungi as an Important Natural Regulator of Insect Outbreaks in Forests (Review)

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