The predatory mite Phytoseiulus macropilis (Acari: Phytoseiidae) occurring on sweet potato (Ipomoea batatas) plants in Diamantina, Minas Gerais State, Brazil

Castro, B. M. C.; Soares, Marcus Alvarenga; Júnior, Valter Carvalho de Andrade; Fadini, Marcos Antonio Matiello; Ferreira, João A. M.; Moraes, G. J. de

doi:10.1590/bjb.2014.0078

Cited by 6 publications

(4 citation statements)

References 8 publications

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“…For greater efficiency in sweet potato Integrated Pest Management (IPM) programs, the use of the pathogens B. bassiana and M. anisopliaein mixture and with other natural control agents, such as predatory mites, should be investigated (CASTRO et al, 2014).…”

Section: Resultsmentioning

confidence: 99%

Pathogenicity of Metarhizium anisopliae and Beauveria bassiana fungi to Tetranychus ludeni (Acari: Tetranychidae)

et al. 2019

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The use of acaricides is the main control method for Tetranychus ludeni (Acari: Tetranychidae) in horticultural crops. This mite has been recorded causing damage to sweet potato (Ipomoea batatas L.). The use of pathogenic fungi is an alternative to chemical control. The objective was to evaluate the pathogenicity of the fungi Metarhizium anisopliae (Meetch) Sorok, and Beauveria bassiana (Bals.) Vuill. to phytophagous mite T. ludeni in sweet potato plants. Conidial suspensions of M. anisopliae and B. bassiana, at concentrations of 106 and 107 con.mL-1 were applied to sweet potato leaves. After 24 hours, five females of T. ludeni newly emerged were released on the leaves. The bioassay was arranged in a completely randomized design with factorial arrangement 2 × 2 (two species of fungi and two concentrations) plus the control (distilled water), with 10 repetitions per treatment. The evaluation consisted of observing of three biological parameters of the mite: mortality, oviposition, and repellency, after 24, 48, 72, and 96 hours of contact with the fungi. The isolates of M. anisopliae cause high mortality rates of T. ludeni in laboratory. Beauveria bassiana has the potential to suppress future generations of mite, reducing its oviposition rate. Repellency behavior was not observed.

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Section: Resultsmentioning

confidence: 99%

Pathogenicity of Metarhizium anisopliae and Beauveria bassiana fungi to Tetranychus ludeni (Acari: Tetranychidae)

et al. 2019

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“…Induced responses that reduce the herbivore survival and reproduction are termed as induced resistance (Karban and Baldwin, 1997). Induced resistances can be classified as induced direct resistance, that directly affect the herbivore biology (Schaller, 2008) and induced indirect resistance, which affects herbivores by promoting the attraction of natural enemies, as predators and parasitoids (Arimura et al, 2005;Dicke et al, 2009;Castro et al, 2014). The induced direct resistance against herbivores, for example, affects the production of secondary metabolites, substances involved in plant resistance mechanisms (Karban and Baldwin, 1997).…”

Section: Introductionmentioning

confidence: 99%

Maize plants produce direct resistance elicited by Tetranychus urticae Koch (Acari: Tetranychidae)

et al. 2017

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Plants can be attacked by a wide variety of herbivores. Thus, developing protective mechanisms for resistance against these agents is an advantage for survival and reproduction. Over the course of evolution, many resistance mechanisms against herbivory have been developed by the plants. Induced direct and indirect resistance mechanisms can manifest in plants after herbivore attack. The two-spotted spider mite Tetranychus urticae is not a pest of maize crops (Zea mays), despite being reported infesting plants that may have resistances against this herbivore. We tested the hypothesis that maize plants would be able to induce direct resistance against T. urticae after, evaluating the effect of T. urticae infestation in maize plants on the development and reproduction of conspecifics. We tested induced direct resistance performing infestation and measuring biological parameters upon a second infestation. Maize plants, 40 days after sowing, were divided into two groups: 30 not infested by T. urticae (clean plants clean) and, 30 infested by the spider mite. Infestation of maize plants by T. urticae reduced the conspecific female adult survival. However, no change in the survival of immature or reproduction was observed. These results suggest the induction of induced direct resistances in maize by T. urticae. This is first report of direct resistance induction in Z. mays by the two-spotted spider mite T. urticae.

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“…The Akhtar and GS11867 varieties are susceptible, while the KS41128 and Naz are resistant (Tahmasebi et al, 2014). Resistant cultivars can reduce pest population density and is a method compatible with other management tactics, such as biological control (Castro et al, 2014), an important aspect of IPM (Razmjou et al, 2009;Landeros Flores et al, 2013) and furthermore minimizes the application of chemicals (Zehnder et al, 2007) and consequently, the production costs.…”

Section: Resultsmentioning

confidence: 99%

Preference of red mite Tetranychus ludeni Zacher (Acari: Tetranychidae) to sweet potato genotypes

et al. 2019

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Tetranychus ludeni damages the sweet potato. Pest development can vary between plant genotypes. The objective was to identify the preference of Tetranychus ludeni for Ipomoea batatas genotypes, from the germplasm bank at the Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM). Natural infestations of this mite were observed on 54 sweet potato genotypes in potted, in a greenhouse. Three mite-infested leafs of each genotype were collected and analyzed. The red mite showed different population density rate in genotypes. The BD 29 genotype was found to be highly susceptible, the BD 08, BD 57, BD 17 and Espanhola genotypes were moderately susceptible, and the others forty-nine genotypes showed low susceptibility to the mite.

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The predatory mite Phytoseiulus macropilis (Acari: Phytoseiidae) occurring on sweet potato (Ipomoea batatas) plants in Diamantina, Minas Gerais State, Brazil

Cited by 6 publications

References 8 publications

Pathogenicity of Metarhizium anisopliae and Beauveria bassiana fungi to Tetranychus ludeni (Acari: Tetranychidae)

Pathogenicity of Metarhizium anisopliae and Beauveria bassiana fungi to Tetranychus ludeni (Acari: Tetranychidae)

Maize plants produce direct resistance elicited by Tetranychus urticae Koch (Acari: Tetranychidae)

Preference of red mite Tetranychus ludeni Zacher (Acari: Tetranychidae) to sweet potato genotypes

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