Differential pathogenicity of Metarhizium anisopliae and the control of the sugarcane root spittlebug Mahanarva fimbriolata

Tiago, Patrícia Vieira; Souza, Hilton Marcelo de Lima; Moysés, Juliano Borsato; Oliveira, Neiva Tinti de; Lima, Elza Áurea de Luna Alves

doi:10.1590/s1516-89132011000300002

Cited by 11 publications

(6 citation statements)

References 10 publications

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“…M. anisopliae is an important entomopathogenic fungus and is widely used for biocontrol of insect pests, and many commercial products are on the market or under development (Zimmermann 2007). This fungus has been shown to infect many important pest species including hemipteran insects (Marannino et al 2006;Sahayaraj and Borgio 2009;Tiago et al 2011). In this study, we also demonstrated that M. anisopliae isolates, especially KTU -2, KTU -27 and KTU -60, might have potential for controlling C. ciliata.…”

Section: Discussionsupporting

confidence: 57%

Evaluation of entomopathogenic fungi against the sycamore lace bug, Corythucha ciliata (Say) (Hemiptera: Tingidae)

Sevim¹,

Demir²,

Sönmez³

et al. 2013

Turk J Agric For

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IntroductionCoastal zones, considered to be a valuable economic and environmental resource for human and marine habitats, are the most dynamic natural environment of any region on earth. Changes in the ocean-climate system and increasing human activities in these regions make the coastal areas more susceptible to natural hazards and more costly to live in. One of the most serious problems is the accelerated sea level rise and its resulting physical impacts on the coastal zones. Any rise in the mean sea level may result in the retreat of unprotected coastlines due to coastal inundation, erosion, and increased storm flooding (Nicholls et al. 1995). As emphasized in the Fourth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC AR4), the global sea level rose by 1.8 to 3.1 mm/year during the last century and present estimates of future rise range from 18 cm to 59 cm by the year 2100 (Solomon et al. 2007). Low lying areas such as beach ridges, coastal plains, deltas, estuaries, lagoons, and bays would be the areas that would suffer the most as a result of the enhanced sea level rise. Thus, it is essential to quantify the response of coastal systems to sea level change, as well as to assess the potential threats posed to human and marine biodiversity.A near global comparative analysis by Dasgupta et al. (2007) regarding the impact of permanent inundation due to sea level rise on 84 developing countries revealed that hundreds of millions of people in the developing world are likely to be displaced by a sea level rise of 1 to 5 m within this century. Accompanying economic and ecological damage will be severe for many. Approximately 0.3% (194,000 km 2 ) of the territory of the 84 developing countries would be impacted by a 1-m rise. This would increase to 1.2% in areas where the sea level rose 5 m. Nearly 56 million people (approximately 1.28% of the population) in these countries would be impacted under a 1-m rise scenario. This would increase to 89 million people for 2 m and 245 million people (approximately 5.57%) for a 5-m rise. The impact of sea level rise on gross domestic product (GDP) is slightly greater than the impact on population, because GDP per capita is generally above average for coastal populations and cities. Wetlands would experience significant impact even with a 1-m rise. Up to 7.3% of wetlands in the 84 countries would be impacted Abstract: With the rising sea level becoming a more pressing issue to coastal areas, a comprehensive analysis has been conducted to assess the vulnerability of the Çukurova Delta under the projected inundation by the end of the century. The level of inundation was estimated from a multimission satellite altimetry sea level anomaly and significant wave height data between September 1992 and February 2012. Superposed to the clear annual oscillation with 6.2 cm amplitude peaking around the beginning of October, the mean sea level signal exhibits a positive trend of 3.4 ± 0.1 mm/year over the altimetric data period. The extreme wave height with a 100-year ...

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Section: Discussionsupporting

confidence: 57%

Evaluation of entomopathogenic fungi against the sycamore lace bug, Corythucha ciliata (Say) (Hemiptera: Tingidae)

Sevim¹,

Demir²,

Sönmez³

et al. 2013

Turk J Agric For

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“…The sugarcane industry is one of the most important sectors of agribusiness of the world, and, currently, 8 million hectares are cultivated in Brazil (CONAB 2012). The growth areas for the cultivation of sugarcane may favor the incidence of insect pest populations, especially the spittlebug of root Mahanarva fimbriolata (Stål, 1854) (Hemiptera: Cercopidae) and borer Diatraea saccharalis Fab-ricius, 1794 (Lepidoptera: Crambidae) (WHITE et al 2008;KASSAB et al 2012;TIAGO et al 2011;VACARI et al 2012).…”

mentioning

confidence: 99%

Selectivity of Metarhizium anisopliae and Beauveria bassiana (Hypocreales: Clavicipitaceae) on Adults of Cotesia flavipes (Hymenoptera: Braconidae)

Rossoni

Loureiro

Pereira

et al. 2014

folia biol (krakow)

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Understanding mortality patterns and interactions between entomopathogenic fungi and parasitoids is important to improve insect biological control programs. The aim of this study was to evaluate the effect of Metarhizium anisopliae (Metschnikoff, 1879) Sorokin, 1833 and Beauveria bassiana (Balsamo) Vuillemin, 1912 (Hypocreales: Clavicipitaceae) on adults of Cotesia flavipes (Cameron, 1891) (Hymenoptera: Braconidae) with biological insecticides Biometha WP Plus ® (M. anisopliae), Biovéria G ® (B. bassiana), Boverril WP ® (B. bassiana), Metarril WP ® (M. anisopliae), and Metiê WP ® (M. anisopliae) at concentrations of 1 × 10 9 conidia (con).mL-1 , 5 × 10 9 con.ml-1 , and 10 × 10 9 con.ml-1. In the experimental, 10 females of C. flavipes were packed in disposable cups capped with a contact surface (filter paper, 9 cm 2) treated with commercial product. The experimental design was completely randomized, with 16 treatments and five replicates of 10 females each. Mortality was assessed at 24, 48, 72, 96, and 120 hours after exposition (HAE) of the products. In general, B. bassiana and M. anisopliae in the concentrations of 1 × 10 9 con.ml-1 , 5 × 10 9 con.ml-1 , and 10 × 10 9 con.ml-1 can't affect C. flavipes females because the peak of mortality in treatments with bioinsecticides was similar to the control and this demonstrated the selectivity of fungi B. bassiana and M. anisopliae on C. flavipes females.

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“…Os adultos succionam seiva nas folhas e injetam toxinas, quando as picadas são numerosas provocam a seca das folhas reduzindo a capacidade fotossintética, afetando a circulação de seiva no limbo foliar ocasionando em redução no Pol e retardando a maturação (Tiago et al, 2011, Almeida et al, 2019.…”

Section: Introductionunclassified

Eficiência de bioinseticidas no controle de Mahanarva fimbriolata (Hemiptera: Cercopidae) em condições de campo

Loureiro

Mateus

Pessoa

et al. 2020

RSD

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When feeding on the roots, the nymphs of Mahanarva fimbriolata they cause lesions in the vascular system, compromising the transport of water and nutrients to the meristematic regions of the plant. The aim of this study was to evaluate the control efficiency of M. fimbriolata using commercial isolates of M. anisopliae and imidacloprid insecticide in field conditions. The experimental design was in randomized blocks with 4 treatments: Metarril®, Metiê®, Evidence® 700 WG, Control; and 4 repetitions with 750 m2 each. Bioinsecticides were applied at a concentration of 1.5×1012 viable conidia per hectare and the insecticide Evidence® 700 WG at a dose of 400 g ha-1 of the commercial product. Evaluations were performed at 30, 60, 90 and 120 days after application and the data were submitted to the F test, Tukey's test at P ≤ 0.05 and efficiency calculated using the Abbott formula. All bioinsecticides provided a high reduction in the number of leafhopper nymphs (95%) from 30 to 120 days after spraying (DAP). At 60, 90 and 120 DAP the bioinsecticides provided above 84% efficiency when compared to the insecticide. For adults, the bioinsecticides Metarril® and Metiê® caused a greater reduction in live insects and were more efficient than the insecticide Evidence® 700 WG, providing 100% efficiency. The bioinsecticides Metarril® and Metiê® provided better performance, being efficient in the management of M. fimbriolata.

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Differential pathogenicity of Metarhizium anisopliae and the control of the sugarcane root spittlebug Mahanarva fimbriolata

Abstract: In order to assess the effectiveness of

Cited by 11 publications

References 10 publications

Evaluation of entomopathogenic fungi against the sycamore lace bug, Corythucha ciliata (Say) (Hemiptera: Tingidae)

Evaluation of entomopathogenic fungi against the sycamore lace bug, Corythucha ciliata (Say) (Hemiptera: Tingidae)

Selectivity of <I>Metarhizium anisopliae</I> and <I>Beauveria bassiana</I> (Hypocreales: Clavicipitaceae) on Adults of <I>Cotesia flavipes</I> (Hymenoptera: Braconidae)

Eficiência de bioinseticidas no controle de Mahanarva fimbriolata (Hemiptera: Cercopidae) em condições de campo

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