Soil application of Beauveria bassiana JEF-350 granules to control melon thrips, thrips palmi Karny (Thysanoptera: Thripidae)

Li, Dongwei; Park, So Eun; Lee, Mi Rong; Kim, Jong Cheol; Lee, Se Jin

doi:10.1016/j.aspen.2021.05.010

Cited by 7 publications

(4 citation statements)

References 43 publications

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“…Several strains of B. bassiana are commercially available as different formulation types but no granular is available for use in the USA 51 . However, granular formulations of B. bassiana have been shown to be effective in suppressing WFT and other thrips species under laboratory and controlled greenhouse conditions by targeting the soil inhabiting stages 13,16,19,52‐55 . The effectiveness of managing greenhouse pests using entomopathogenic fungi depends on many factors including the strain/isolate, the formulation, the rate of application to maximize pest contact with infective conidia and microclimate 55,56 .…”

Section: Discussionmentioning

confidence: 99%

“…51 However, granular formulations of B. bassiana have been shown to be effective in suppressing WFT and other thrips species under laboratory and controlled greenhouse conditions by targeting the soil inhabiting stages. 13,16,19,[52][53][54][55] The effectiveness of managing greenhouse pests using entomopathogenic fungi depends on many factors including the strain/isolate, the formulation, the rate of application to maximize pest contact with infective conidia and microclimate. 55,56 Our previous work investigated the effectiveness of mycotized millet grains used alone, incorporated into the soil of marigold plants under controlled greenhouse cage experiments.…”

Section: Discussionmentioning

confidence: 99%

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Evaluation of a guardian plant system to suppress Frankliniella occidentalis (Thysanoptera: Thripidae) in greenhouse ornamentals

Sullivan

Davari

Kim

et al. 2023

Pest Management Science

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BACKGROUNDWestern flower thrips (WFT), Franklinella occidentalis (Pergande), is an economically damaging pest of greenhouse ornamentals. A ‘guardian plant system’ (GPS) that targeted WFT was evaluated under controlled and commercial greenhouse conditions. This system used mycotized millet grains with the entomopathogenic fungus Beauveria bassiana (Balsamo‐Crivelli) Vuillemin applied to soil of potted marigolds, Tagetes patula (L.), combined with the foliar‐dwelling predatory mite Neoseiulus (=Amblyseius) cucumeris (Oudemans) in slow‐release sachets under controlled greenhouse conditions, and with the addition of a pheromone lure under commercial settings.RESULTSSignificantly fewer WFT and less foliar damage on GPS was observed over the 10 and 12 weeks experimental periods compared to the untreated controls. Predatory mites were maintained up to 10 weeks with one release under controlled greenhouse conditions and 12 weeks with two releases in commercial greenhouses. In commercial greenhouses, greater numbers of WFT were found on marigolds than on crop plants within 1 m of the system. Fungal granules persisted for 12 weeks up to 2.5 × 105 CFU g−1 in the GPS soil.CONCLUSIONThe use of biological control agents to suppress WFT within a GPS could be a useful IPM strategy for greenhouse production. The marigold GPS attracted WFT which were suppressed primarily through predation by foliar‐dwelling predatory mites and to a lesser extent, infection from conidia produced by the granular fungal formulation in the soil. Further investigations into system deployment and fungal granular application rates and new fungal formulations are suggested to improve system efficacy. © 2023 Society of Chemical Industry.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Evaluation of a guardian plant system to suppress Frankliniella occidentalis (Thysanoptera: Thripidae) in greenhouse ornamentals

Sullivan

Davari

Kim

et al. 2023

Pest Management Science

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“…A 5-μL sample from each suspension of the heat-treated was dropped one time into SD/4 medium (90 mm diameter) for germination assay. The germination rate was determined by randomly counting the number of germinated and ungerminated liquid-culutred spores among 100 counts microscopically (400×) after incubation at 25°C for 18 h. The germination rate was calculated by dividing the number of germinated liquid-culutred spores by the total number of liquid-culutred spores (Angel & Hill 1931;Li et al 2021).…”

Section: Thermotolerance Assay Of Liquid-culutred Sporesmentioning

confidence: 99%

Industrial attractiveness of entomopathogenic Fusarium as biopesticide against melon thrips, Thrips palmi

Putri,

Kim

2024

Entomological Research

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Melon thrips, Thrips palmi (Thysanoptera: Thripidae), is a serious insect pest in crop productions, and synthetic chemicals are frequently used to control them. However, this practice causes residual issue in nature and makes melon thrips acquire strong resistance. To overcome these problems, a group of entomopathogenic fungi could be used as an alternative for controlling melon thrips. In this work, a total of 100 fungal isolates from soil in four different regions of Korea were isolated and subjected to virulence assays against melon thrips. Twenty‐five highly virulent fungal isolates, which showed 100% mortality 6 days after treatment, were determined. Liquid‐cultured filtrates of the selected isolates were further used to investigate their insecticidal activity against melon thrips, and of the 25 selected isolates finally seven isolates including Metarhizium spp. and Fusarium spp. showed high insecticidal activity in a dose‐dependent manner. Under a thermal stress at 121°C, culture filtrates of the seven isolates still kept their insecticidal activities. When liquid‐cultured spores were exposed to 45°C, spores of Fusarium isolates were resistant to the thermal stress, but those of Metarhizium isolates were susceptible to the stress. The culture filtrates of Fusarium isolates did not show any phytotoxicity to the tomato plants, followed by no phytotoxicity of liquid‐cultured spores, although mycotoxins need to be further clearly characterized. This work suggests that entomopathogenic Fusarium isolates are competitive in virulence against melon thrips and production of insecticidal metabolites compared to Metarhizium, and particularly attractive in sporal resistance against thermal stress, significantly stronger than Metarhizium.

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“…Vuill (Ascomycota: Hypocreales) is an arthropod pathogen capable of infecting more than 700 species of hosts, including acari and insecta ( 1 – 3 ). Here, in this work, we provide the whole-genome sequencing (WGS) data of B. bassiana JEF-350 (public stock number for patent, KFCC11820P), which has high insecticidal activity against melon thrips ( Thrips palmi ), which causes damage to various agricultural crops ( 4 ).…”

Section: Announcementmentioning

confidence: 99%

Whole-Genome Sequence of Beauveria bassiana JEF-350, a Strain with High Insecticidal Activity against Melon Thrips (Thrips palmi)

Kim

Park

Lee

et al. 2022

Microbiol Resour Announc

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Soil application of Beauveria bassiana JEF-350 granules to control melon thrips, thrips palmi Karny (Thysanoptera: Thripidae)

Cited by 7 publications

References 43 publications

Evaluation of a guardian plant system to suppress Frankliniella occidentalis (Thysanoptera: Thripidae) in greenhouse ornamentals

Evaluation of a guardian plant system to suppress Frankliniella occidentalis (Thysanoptera: Thripidae) in greenhouse ornamentals

Industrial attractiveness of entomopathogenic Fusarium as biopesticide against melon thrips, Thrips palmi

Whole-Genome Sequence of Beauveria bassiana JEF-350, a Strain with High Insecticidal Activity against Melon Thrips (Thrips palmi)

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