Broad Spectrum Potential of<i>Isaria fumosorosea</i>Against Insect Pests of Citrus

Hunter, Wayne B.; Avery, Pasco B.; Pick, David A.; Powell, Charles A.

doi:10.1653/024.094.0444

Cited by 50 publications

(33 citation statements)

References 11 publications

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“…Beauveria bassiana, for instance, has been effectively used to control several insect pests, usually through innundative applications [4,5]. Notable examples are Diaprepes citrus root weevil (Diaprepes abbreviates), black citrus aphid (Toxoptera citricida), citrus longhorn beetle (Anoplophora chinensis), glassy-winged sharpshooter (Homalodisca vitripennis), and the Asian citrus psyllid (Diaphorina citri) [3,6,7]. However, aside from foliar spraying of targeted pests or plants with fungal entomopathogens suspension to offer short term protection for plants against pests infestation [7], a practice which reduces the efficacy of entomopathogenic fungi due to the exposure of fungal spores to environmental conditions such as UV radiation, high temperature, low humidity, etc.…”

Section: Introductionmentioning

confidence: 99%

Effects of Seedling Age on Colonization Patterns of Citrus limon Plants by Endophytic Beauveria bassiana and Metarhizium anisopliae and Their Influence on Seedlings Growth

Bamisile

Akutse

Dash

et al. 2020

JoF

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The inoculation methods, the fungal strains, and several other factors are known to influent the success of fungal entomopathogens colonization in plants. The physiological status of the plant could also be another determinant. In the present study, the ability of three strains of Beauveria bassiana and one strain of Metarhizium anisopliae to successfully colonize Citrus limon plants and the influence of seedling age on endophytic colonization success was examined. Three, 4, and 6 months old seedlings were inoculated with 10 mL of 1 × 108 conidial·mL−1 suspensions of each of the four fungal strains via foliar spraying. All fungal strains successfully colonized citrus seedlings and were sustained up to 2 months in colonized plants irrespective of the seedling age, with differences in the mean percentage colonization recorded at various post-inoculation periods among the fungal strains. The highest percent endophytic fungi recovery rate was recorded in the 3 months old seedlings, where fungal mycelia of inoculated fungi were successfully re-isolated from 65.6% of the untreated newly developed leaf and stem tissues. One strain of B. bassiana, BB Fafu-12, significantly improved seedling height and leaf number. The study demonstrates the influence of seedling age on B. bassiana and M. anisopliae successful colonization in the citrus plant.

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Section: Introductionmentioning

confidence: 99%

Effects of Seedling Age on Colonization Patterns of Citrus limon Plants by Endophytic Beauveria bassiana and Metarhizium anisopliae and Their Influence on Seedlings Growth

Bamisile

Akutse

Dash

et al. 2020

JoF

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“…Cordyceps fumosorosea s.l. also has a relatively large host range as a species, making it attractive for development as a biopesticide product [35], particularly against pests of greenhouse crops [36][37][38].…”

Section: Introductionmentioning

confidence: 99%

Susceptibility of Myzus persicae, Brevicoryne brassicae and Nasonovia ribisnigri to Fungal Biopesticides in Laboratory and Field Experiments

Prince

Chandler

2020

Insects

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The aim of this study was to evaluate the potential of entomopathogenic fungi (EPF) for the control of aphid pests of field vegetable crops. Four biopesticides based on the EPF Beauveria bassiana (Botanigard ES and Naturalis L), Cordyceps fumosorosea s.l. (Preferal WG), and Akanthomyces dipterigenus (Vertalec) were evaluated in a laboratory bioassay against peach-potato aphid Myzus persicae, cabbage aphid Brevicoryne brassicae, and currant-lettuce aphid Nasonovia ribisnigri. There was significant variation in the spore dose provided by the products, with Botanigard ES producing the highest dose (639 viable spores per mm2). Botanigard ES also caused more mortality than the other products. Combining Vertalec with the vegetable oil-based adjuvant Addit had an additive effect on the mortality of B. brassicae. All fungal products reduced the number of progeny produced by M. persicae but there was no effect with B. brassicae or N. ribisnigri. When aphid nymphs were treated with Botanigard ES and Preferal WG, both products reduced population development, with up to 86% reduction occurring for Botanigard ES against M. persicae. In a field experiment, Botanigard ES sprayed twice, at seven-day intervals, against B. brassicae on cabbage plants, reduced aphid numbers by 73%. In a second field experiment with B. brassicae, M. persicae, and N. ribisnigri, Botanigard ES reduced populations of B. brassicae and N. ribisnigri but there was no significant effect on M. persicae.

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“…For example, pre‐treatment with the insect pathogen Beauveria bassiana suppresses damping‐off disease and downy mildew in different crops, bacterial blight disease, and Zucchini yellow mosaic virus . Similarly, Isaria fumosorosea (formerly Paecilomyces fumosoroseus ), an entomopathogen for both whitefly and aphid also controls cucumber powdery mildew . In addition, emerging research has revealed additional roles for fungal entomopathogens in providing crop growth promotion .…”

Section: Introductionmentioning

confidence: 99%

Dibutyl succinate, produced by an insect‐pathogenic fungus, Isaria javanica pf185, is a metabolite that controls of aphids and a fungal disease, anthracnose

Lee

Han

Kang

et al. 2018

Pest Management Science

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Broad Spectrum Potential ofIsaria fumosoroseaAgainst Insect Pests of Citrus

Cited by 50 publications

References 11 publications

Effects of Seedling Age on Colonization Patterns of Citrus limon Plants by Endophytic Beauveria bassiana and Metarhizium anisopliae and Their Influence on Seedlings Growth

Effects of Seedling Age on Colonization Patterns of Citrus limon Plants by Endophytic Beauveria bassiana and Metarhizium anisopliae and Their Influence on Seedlings Growth

Susceptibility of Myzus persicae, Brevicoryne brassicae and Nasonovia ribisnigri to Fungal Biopesticides in Laboratory and Field Experiments

Dibutyl succinate, produced by an insect‐pathogenic fungus, Isaria javanica pf185, is a metabolite that controls of aphids and a fungal disease, anthracnose

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