Stability and Efficacy of
Beauveria bassiana
Soil Inoculations

Gaugler, Randy; Costa, Scott D.; Lashomb, James H.

doi:10.1093/ee/18.3.412

Cited by 48 publications

(26 citation statements)

References 2 publications

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“…Gaugler, Costa, and Lashomb (1989) on the other hand, observed that application of B. bassiana followed by tillage was very important in achieving enhanced fungal persistence in the soil. The same effect was found by Storey, Gardner, and Tollner (1989).…”

Section: Agricultural (Cultural) Practicesmentioning

confidence: 99%

Natural and released inoculum levels of entomopathogenic fungal biocontrol agents in soil in relation to risk assessment and in accordance with EU regulations

Scheepmaker

Butt

2010

Biocontrol Science and Technology

123

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Entomopathogenic fungi being developed as biological control agents (BCAs) may have the potential to spread and become established in the environment. For registration purposes, the risks concerning their persistence have to be evaluated according to EU legislation which requires the decline of BCAs to acceptable background levels unless related risks are acceptable. In order to deal with this requirement, applicants of a BCA need to give information on its persistence and natural background levels. For risk assessors and registration authorities guidance on how to evaluate data on natural background levels of indigenously occurring species (0same species as the introduced BCA) is needed. For this purpose, an overview is presented on background levels of some indigenous fungi as well as persistence data of some applied fungal BCAs. Data were restricted to commerical species. It was found that for the species Metarhizium anisopliae, Beauveria bassiana and Beauveria brongniartii natural densities were relatively low and introduced strains of these fungi decreased gradually in time. Many factors were found in the literature, such as intrinsic, edaphic, biotic, climatic, and cultural factors, that could explain this decline.

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Section: Agricultural (Cultural) Practicesmentioning

confidence: 99%

Natural and released inoculum levels of entomopathogenic fungal biocontrol agents in soil in relation to risk assessment and in accordance with EU regulations

Scheepmaker

Butt

2010

Biocontrol Science and Technology

123

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“…As an environment, soil presents opportunities and challenges to entomopathogenic fungi. It protects from damaging solar radiation and acts as a buffer against extremes of temperature and water availability (Gaugler et al 1989;Inglis et al 2001;Roberts & Campbell 1977;Rangel et al 2005). Furthermore, it is a habitat for many potential insect hosts, some of which occur at high densities; continuity in proximity to potential hosts is a factor in the evolution of fungal entomopathogenicity (Humber 2008).…”

Section: Rhizosphere Colonizers and Plant Growth Promoting Fungimentioning

confidence: 99%

Fungal entomopathogens: new insights on their ecology

et al. 2009

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An important mechanism for insect pest control should be the use of fungal entomopathogens. Even though these organisms have been studied for more than 100 years, their effective use in the field remains elusive. Recently, however, it has been discovered that many of these entomopathogenic fungi play additional roles in nature.They are endophytes, antagonists of plant pathogens, associates with the rhizosphere, and possibly even plant growth promoting agents. These findings indicate that the ecological role of these fungi in the environment is not fully understood and limits our ability to employ them successfully for pest management. In this paper, we review the recently discovered roles played by many entomopathogenic fungi and propose new research strategies focused on alternate uses for these fungi. It seems likely that these agents can be used in multiple roles in protecting plants from pests and diseases and at the same time promoting plant growth.

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“…En cada uno de los tubos se aplicó una suspensión acuosa de conidias de M. anisopliae cepa Qu-M270, en una concentración equivalente a 10 13 conidias por hectárea (Rodríguez et al, 2004), lo que llevado al volumen del tubo y considerando 95% de viabilidad, significó una concentración de 9,8 x 10 7 conidias en 2,5 mL de agua destilada estéril. A la suspensión se le adicionó 0,05% de Tween-80 (Sigma, Steinheim, Germany) de manera de facilitar la suspensión de conidias (Gaugler et al, 1989).…”

Section: Movimiento De Conidias En Núcleos De Suelounclassified

Desplazamiento de Conidias de Metarhizium anisopliae var. anisopliae en Columnas de Tres Series de Suelo

Campos

et al. 2007

Agric. Téc.

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Stability and Efficacy of Beauveria bassiana Soil Inoculations

Cited by 48 publications

References 2 publications

Natural and released inoculum levels of entomopathogenic fungal biocontrol agents in soil in relation to risk assessment and in accordance with EU regulations

Natural and released inoculum levels of entomopathogenic fungal biocontrol agents in soil in relation to risk assessment and in accordance with EU regulations

Fungal entomopathogens: new insights on their ecology

Desplazamiento de Conidias de Metarhizium anisopliae var. anisopliae en Columnas de Tres Series de Suelo

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