Most, if not all, entomopathogenic fungi have been used as alternative control agents to decrease the insect resistance and harmful effects of the insecticides on the environment. Among them, Isaria fumosorosea has also shown great potential to control different insect pests. In the present study, we explored the immune response of P. To gain insight into the host-pathogen interaction at the genomic level, five libraries of P.

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Evaluation of commercial products based on Isaria fumosorosea and Verticillium lecanii fungi as an alternative in the biocontrol of Phenacoccus solenopsis Tinsley Hemiptera: Pseudococcidae.

In the Northwest of Mexico, Phenacoccus solenopsis has been recognized as an aggressively invasive species on cotton plants. Therefore, the aim of the present study was to evaluate the effectiveness of two fungal commercial bioinsecticides Verticillium lecanii and Isaria fumosorosea against P. Our results showed a high mortality by V. Thirty days after initiating the experiment, we observed a significant reduction of the disease index in cotton plants exposed to I.

The use of V. Currently, the available information about mode of action of commercial formulations using I. Therefore, studies focused on their effectiveness are necessary. User Username Password Remember me. Font Size. Abstract In the Northwest of Mexico, Phenacoccus solenopsis has been recognized as an aggressively invasive species on cotton plants.

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Isaria fumosorosea for pest insect control in vegetables (Final result)

Culture media selection for mass production of Isaria fumosorosea and Isaria farinosa. This work investigated the production of the fungi Isaria fumosorosea and Isaria farinosa in biphasic fermentation using agro-industrial products and residues. Combinations of natural liquid substrates, alternative to the complete medium and potato dextrose medium, were evaluated. In solid-state fermentation, the best conidia production was achieved with the soybean meal and broken corn for I. Results demonstrated that the two fungal species could be rapidly produced with higher yield of conidia on agro-industrial resources by using biphasic fermentation techniques. Key words: Biphasic fermentation, entomopathogenic fungi, Isaria fumosorosea, Isaria farinosa , agro-industrial products.


Revista de la Sociedad Entomológica Argentina

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Isaria fumosorosea [2] is an entomopathogenic fungus , formerly known as Paecilomyces fumosoroseus. It shows promise as a biological pesticide with an extensive host range. When a conidium or blastospore of Isaria fumosorosea lands on a suitable host, it produces enzymes to penetrate the insect's cuticle. The fungus can also enter through the spiracles , the mouth or the anal opening. The mycelia spread in the haemolymph and tissues, eventually emerging from the insect and producing conidia.

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