Occurrence and instantaneous rate of increase of Tetranychus bastosi Tuttle, Baker & Sales (Acari: Tetranychidae) in the state of Alagoas, Brazil

Renata Pereira de Lima; Mariana Oliveira Breda

doi:10.48017/dj.v6i4.1621

Occurrence and instantaneous rate of increase of Tetranychus bastosi Tuttle, Baker & Sales (Acari: Tetranychidae) in the state of Alagoas, Brazil

Authors

Renata Pereira de Lima Universidade Federal de Alagoas - Ufal https://orcid.org/0000-0002-8165-2195
Mariana Oliveira Breda Universidade Federal de Alagoas - CECA - Ufal https://orcid.org/0000-0002-1265-957X

DOI:

https://doi.org/10.48017/dj.v6i4.1621

Abstract

Tetranychus bastosi Tuttle, Baker & Sales (Acari: Tetranychidae) is a species with restricted occurrence in Brazil and has already been reported infesting 36 species of plants, including ornamental, fruits, leguminous and spontaneous plants. In Alagoas state, its presence was found on Turnera subulata L. and Ipomoea batatas L. To analyse the population growth of T. bastosi on the hosts, bioassays were carried out evaluating the instantaneous rate of increase (ri). For both hosts, the population growth of T. bastosi showed positive values of 0.3509 ± 0.0239 and 0.2179 ± 0.0934 for I. batatas and for T. subulata, respectively, with significant differences between them. In addition, significant differences were observed for the mean number of eggs, nymphs, and the final population after 10 days of evaluation. Thus, it is registered the presence o T. bastosi in the state of Alagoas with high potential of development on I. batatas and T. subulata.

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References

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Published

2021-10-19

How to Cite

Lima, R. P. de, & Breda, M. O. (2021). Occurrence and instantaneous rate of increase of Tetranychus bastosi Tuttle, Baker & Sales (Acari: Tetranychidae) in the state of Alagoas, Brazil. Diversitas Journal, 6(4), 3811–3815. https://doi.org/10.48017/dj.v6i4.1621

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Vol. 6 No. 4 (2021): Education realities in the Sars-Covid19 Pandemic

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Ciências Agrárias

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