Potential of an indigenous strain of the entomopathogenic fungus Beauveria bassiana as a biological control agent against the Red Palm Weevil, Rhynchophorus ferrugineus

Dembilio, Óscar; Quesada‐Moraga, Enrique; Santiago‐Álvarez, C.; Jacas, J. A.

doi:10.1016/j.jip.2010.04.006

Cited by 123 publications

(142 citation statements)

References 23 publications

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“…On the other hand, when B. bassiana was applied in Apr or Jun insect multiplication was significantly reduced and no correlation between time of adult presence in palms and insect multiplication was found for treated palms. This effect could be explained by RPW adult survival, but also, by B. bassiana reduction of RPW fertility and/or egg hatching (Dembilio et al 2010).…”

Section: Discussionmentioning

confidence: 99%

“…Beauveria bassiana isolates from diverse sources, including naturally infected RPW from Mediterranean habitats (close to RPW outbreaks), were evaluated (Asensio et al 2003). This is the first approach based on multiple-isolate selection for developing a formulation to target RPW, since other studies reporting the effect of entomopathogenic fungi on RPW have just tested 1 isolate (El-Sufty et al 2007;Dembilio et al 2010). Because RPW larvae are very susceptible to B. bassiana infection, young 7-day larvae bred in the laboratory were not used as insect targets for isolate selection.…”

Section: Discussionmentioning

confidence: 99%

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Effects of Combining Microbial and Chemical Insecticides on Mortality of the Pecan Weevil (Coleoptera: Curculionidae)

2011

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Effects of Combining Microbial and Chemical Insecticides on Mortality of the Pecan Weevil (Coleoptera: Curculionidae)

2011

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“…Most of the physical and chemical methods used to limit the spread of this insect have proven almost ineffective; this may be because the larvae, which mainly cause the damage, reside inside the trunk and are thus protected. Natural pathogens that curtail the spread of R. ferrugineus appear to be more effective in reducing weevil populations than in protecting plants that are already infested (Salama et al 2004;Son et al 2004;Dembilio et al 2010;ElSufty et al 2011). A female red palm weevil lays approximately 200 eggs, which, in newly colonized palms, are laid in small cavities in the trunk or at the damaged surfaces of the leaves (Hutson 1922).…”

Section: Discussionmentioning

confidence: 99%

“…Several research programs have also been initiated for studying the biological control of R. ferrugineus. Specifically, two entomopathogenic fungi Metarhizium anisopliae and Beauveria bassiana, have been detected on the red palm weevil and tested under laboratory and field conditions (Deadman et al 2001;Gindin et al 2006;El Sufti et al 2007;2011;Sewify et al 2009;Torta et al 2009;Vitale et al 2009;Dembilio et al 2010;Güerri-Aguilló et al 2010;2011;Merghem 2011;Francardi et al 2012). Red weevil infestation is also tackled using microbiological approaches.…”

Section: Introductionmentioning

confidence: 99%

Biological activity of Bacillus spp. evaluated on eggs and larvae of red palm weevil Rhynchophorus ferrugineus

et al. 2014

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This study was conducted to characterize the Bacillus populations associated with dead Rhynchophorus ferrugineus, to develop a biological control for the red palm weevil. Dead adult beetles, collected throughout Sicily, were used for isolating internal and external spore forming bacteria (SFB) microbiota. The isolates, preliminarily allotted to the Bacillaceae family, were tested at four concentrations (10 3 to 10 6 CFU/mL) for their ability to inhibit hatching of eggs of R. ferrugineus and were used at 10 6 CFU/mL to monitor their insecticidal activity against 10-day-old larvae. Total amounts of SFB measured outside the skeleton and in the inners part of the beetles were 5.59-6.94 and 5.17-7.05 Log CFU/g, respectively. Hatching was markedly inhibited by nine isolates, representing nine distinct strains of seven species (Bacillus amyloliquefaciens, Bacillus cereus, Bacillus licheniformis, Bacillus megaterium, Bacillus pumilus, Bacillus subtilis, and Lysinibacillus sphaericus), especially by the strains B. pumilus GC43 and GC51, which exhibited lethal concentrations 50 (LC50) values of 1.60×10 3 and 9.84×10 3 CFU/ mL, respectively. Among all the strains tested, only B. licheniformis CG62 exhibited significant insecticidal activity against red palm weevil larvae. The Bacillus isolates characterized and tested in this study inhibited the hatching of red palm weevils in a contact-dependent manner. Thus, these isolates can be used as a preventive rather than as a curative treatment.

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“…It essentially consists in the spraying of insecticides potent as imidacloprid 200 g LG 1 (Dembilio et al, 2010b). However, this product is not only toxic to vertebrates and but also non-environmentally friendly and are often not sufficiently effective against the larvae that are not always in contact with the insecticide.…”

Section: Fight Against Red Palm Weevilmentioning

confidence: 99%

Red Palm Weevil (Rhynchophorus ferrugineus Olivier, 1790): Threat of Palms

Mahmud¹,

Farminhao²,

Viez³

2015

J. of Biological Sciences

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A B S T R A C TThe red palm weevil (Rhynchophorus ferrugineus) is a bug local tropical areas of Southeast Asia are a vital nuisance of coconut (Cocos nucifera L.). Trade is the fundamental driver of its worldwide spread development in the Mediterranean locale and the close East. In its local reach Rhyncophorus ferrugineus postures financial issues in the loss of coconut harvest stays controlled commonly. However it extremely well adapted to the new environment development by tending to new species, for example, the date palm (Phoenix dactylifera L.) creating genuine monetary issues. Eventually, it changes the tourist's scenes in Spain and France, tending to the Canary palm (Phoenix canariensis Chabaud) and consequently that the European Union for a long times an Action Plan against red palm weevil, considering observing the development and import of palm, mindfulness and plagued palms demolition arrangement. On the other hand, looking ahead in hopes of a fight developer effective means pushed through a study on the behaviour and biology of the weevil either in the wild or in its amplified territory.

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Potential of an indigenous strain of the entomopathogenic fungus Beauveria bassiana as a biological control agent against the Red Palm Weevil, Rhynchophorus ferrugineus

Cited by 123 publications

References 23 publications

Effects of Combining Microbial and Chemical Insecticides on Mortality of the Pecan Weevil (Coleoptera: Curculionidae)

Effects of Combining Microbial and Chemical Insecticides on Mortality of the Pecan Weevil (Coleoptera: Curculionidae)

Biological activity of Bacillus spp. evaluated on eggs and larvae of red palm weevil Rhynchophorus ferrugineus

Red Palm Weevil (Rhynchophorus ferrugineus Olivier, 1790): Threat of Palms

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