Injúrias de quatro espécies de percevejos pentatomídeos em plântulas de milho

Gomes, Margarida Flores Roza; Salvadori, J. R.; Pereira, P. R. V. da S.; Panizzi, Antônio R.

doi:10.1590/s0103-84782011005000081

Cited by 33 publications

(38 citation statements)

References 6 publications

(3 reference statements)

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“…Using an arbitrary scale from 0 to 4, considering feeding punctures, chlorosis around the feeding site and twisted leaves, Copatti and Oliveira () determined that infestations with one to three E. heros per corn plant at early phenological stages have low potential to cause injury (injury score = 0.0–0.4) compared with D. melacanthus (injury score = 1.6–2.6). Injuries caused by D. furcatus and N. viridula were similar in intensity to those provoked by D. melacanthus , whereas the injuries caused by E. heros were less conspicuous than those of the other species (Roza‐Gomes et al ., ).…”

Section: Stink Bugs Of Economic Importancementioning

confidence: 97%

“…The potential of E. heros to cause injury in corn is lower compared with that of D. melacanthus or D. furcatus. Nonetheless, heavy infestations of E. heros in corn usually occur at the end of the soybean season and are prone to cause injuries such as leaf punctures (Roza-Gomes et al, 2011). Corn injuries caused by Euschistus species have been reported in Kentucky, in the U.S.A., mainly attributed to some favourable conditions such as reduced tillage, double cropping and production practices (Townsend & Sedlacek, 1986).…”

Section: Corn Injury/damage Caused By Stink Bugsmentioning

confidence: 99%

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Prevalence, damage, management and insecticide resistance of stink bug populations (Hemiptera: Pentatomidae) in commodity crops

Sosa–Gómez

Corrêa-Ferreira

Kraemer

et al. 2019

Agri and Forest Entomology

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Pest management of stink bugs (Hemiptera: Pentatomidae) in soybean [Glycine max (L.) Merr.], corn (Zea mays L.) and cotton (Gossypium spp.) agroecosystems has become a major concern in several countries of the Americas. In this review, we report an overview on geographical distribution, injury, damage and methods used to control (plant resistance mechanisms, biological control) the most important stink bugs in the Americas, with an emphasis on Brazil, the implications of the trend towards decreased susceptibility of stink bug populations to insecticides and the current difficulties of the management of these insect pests. Currently, the Neotropical brown stink bug Euschistus heros (Fabricius) is less susceptible to organophosphate insecticides than in the past. A slight reduction in E. heros susceptibility to pyrethroids and, to a lesser extent, to neonicotinoids has also been observed. In addition, the green‐belly stink bug [Dichelops melacanthus (Dallas)] is more tolerant to the three classes of insecticides (neonicotinoids, organophosphates and pyrethroids) than E. heros. Metabolic detoxification is involved in organophosphate, neonicotinoid and pyrethroid differences in susceptibility. Restricted availability of insecticides with different modes of action could favour the selection of resistant phenotypes in stink bug populations.

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Section: Stink Bugs Of Economic Importancementioning

confidence: 97%

Section: Corn Injury/damage Caused By Stink Bugsmentioning

confidence: 99%

Prevalence, damage, management and insecticide resistance of stink bug populations (Hemiptera: Pentatomidae) in commodity crops

Sosa–Gómez

Corrêa-Ferreira

Kraemer

et al. 2019

Agri and Forest Entomology

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“…Esse percevejo está amplamente distribuído nas principais regiões onde se pratica a sucessão soja-milho e é favorecido tanto pelo plantio direto, cuja palhada lhe oferece abrigo, como pela sucessão cultural soja-milho ou soja-trigo, que proporciona disponibilidade contínua de alimento ao longo do ano (Ávila & Panizzi, 1995;Chocorosqui & Panizzi, 2004;Panizzi et al, 2012;Smaniotto & Panizzi, 2015). Ao milho, D. melacanthus causa injúria cerca de três vezes mais intensa do que o percevejo-marrom, Euschistus heros (Fabricius,1798) (Hemiptera: Pentatomidae) (Roza-Gomes et al, 2011;Torres et al, 2013).…”

Section: Introductionunclassified

Tratamento de sementes para manejo do percevejo-barriga-verde na cultura de soja e milho em sucessão

Chiesa

Sismeiro

Pasini

et al. 2016

Pesq. agropec. bras.

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Resumo -O objetivo deste trabalho foi avaliar o efeito do tratamento de sementes com inseticidas sobre o manejo de Dichelops melacanthus e a produtividade da soja e do milho, cultivados em sucessão. O estudo foi realizado em campo, nas safras 2012/2013 (I) e 2013/2014 (II). Avaliaram-se os inseticidas imidacloprido, tiametoxam, tiodicarbe, fipronil e abamectina. Determinaram-se: a densidade populacional do percevejo, a produtividade de soja e milho, e a intensidade da injúria em milho. A densidade do percevejo permaneceu abaixo de um inseto por metro quadrado, na maior parte do ciclo da soja. Os picos populacionais foram observados nas primeiras semanas, após a emergência do milho, e atingiram 2,2 (safra I) e 6,7 (safra II) percevejos por metro quadrado. Na cultura da soja, os inseticidas não reduziram a densidade populacional do percevejo. Na cultura do milho, o imidacloprido reduziu a densidade do percevejo em 23,2% (safra I) e 38,8% (safra II), e a injúria em 61,8% (safra I) e 26,4% (safra II). O tiametoxam reduziu a densidade dos insetos em 27,8% (safra II) e a injúria em 42,7% (safra I). O tratamento de sementes com inseticidas não proporciona aumento de produtividade à soja e ao milho, portanto, não se justifica sua utilização nas condições deste estudo.Termos para indexação: Dichelops melacanthus, controle químico, flutuação populacional, manejo integrado de pragas. Seed treatment for management of the green-belly stink bug in the crop succession of soybean and cornAbstract -The objective of this work was to evaluate the effect of seed treatment with insecticides on the management of Dichelops melacanthus on the yield of soybean and corn, grown in succession. The study was carried out in a field, in the 2012/2013 (I) and 2013/2014 (II) crop seasons. The evaluated insecticides were: imidacloprid, thiamethoxam, thiodicarb, fipronil, and abamectin. The following were determined: stink bug population density, soybean and corn yield, and corn injury. Population density remained below one stink bug per square meter, in most of the soybean cycle. Population peaks were observed in the first weeks, after corn emergence, and they reached 2.2 (crop season I) and 6.7 (crop season II) stink bugs per square meter. In the soybean crop, the insecticides did not reduce the stink bug population density. In the corn crop, imidacloprid reduced the stink bug density in 23.2% (crop season I) and 38.8% (crop season II), and injury in 61.8% (crop season I) and 26.4% (crop season II). Thiamethoxam reduced the insect population density in 27.8% (crop season II) and injury in 42.7% (crop season I). Seed treatment with insecticides does not provide increase for soybean and corn yields, therefore, their use is not justified in this study's conditions.

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“…Bioecology, damage and control methods were reported by Panizzi (1995), Martins andWeber (1998); Gomez (1998), Chocorosqui (2001, Chocorosqui and Panizzi, (2004), Ceccon et al (2004), Albuquerque et al (2006), Martins et al (2006, 2009), Carvalho (2007, Roza-Gomes et al (2011). During feeding, D. melacanthus places in a longitudinal position of the maize plant, with the head facing the base of the plant, injecting saliva to facilitate the stylet penetration; the damaged leaves have holes with yellow halo and arranged in rows; when the plant does not die, the first leaves that emerge have streaks and transverse streaks.…”

mentioning

confidence: 96%

POTENTIAL RISK OF LOSSES IN MAIZE CAUSED BY Dichelops melacanthus (DALLAS) (HEMIPTERA: PENTATOMIDAE) IN BRAZIL

Cruz¹,

Bianco

Redoan

2017

RBMS

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ABSTRACT:The incidence of the green belly stink bug, Dichelops melacanthus (Dallas) (Heteroptera: Pentatomidae), on maize crop in Brazil has increased with time, especially due to the continuous availability of food throughout the year. This insect causes injury to seedlings, killing them shortly after their emergence from the soil. If the plant survives, it is possible to see areas with necrotic lesion that increase in a transverse pattern on the sheet, with perforations on the leaves or tillers (side shoots). This pest is currently one of the most important to maize, in conventional and Bt hybrids.The research compared the behavior of theses cultivars infested by the green belly stink bug, D. melacanthus. Bt and conventional maize cultivars were evaluated in a protected environment (greenhouse) and only Bt maize was evaluated at field. Evaluations based on plant development and insect injury occurred after seven days of the infestation period.The results indicated variability among cultivars related to insect infestation, measured by a visual scale for damage determination and plant development. Grain yield obtained from infested plots was 6352.2 kg ha -1 whereas in the non- Sorgo, v.15, n.3, p. 386-397, 2016 ABSTRACT: The incidence of the green belly stink bug, Dichelops melacanthus (Dallas) (Heteroptera: Pentatomidae), on maize crop in Brazil has increased with time, especially due to the continuous availability of food throughout the year. This insect causes injury to seedlings, killing them shortly after their emergence from the soil. If the plant survives,

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Injúrias de quatro espécies de percevejos pentatomídeos em plântulas de milho

Cited by 33 publications

References 6 publications

Prevalence, damage, management and insecticide resistance of stink bug populations (Hemiptera: Pentatomidae) in commodity crops

Prevalence, damage, management and insecticide resistance of stink bug populations (Hemiptera: Pentatomidae) in commodity crops

Tratamento de sementes para manejo do percevejo-barriga-verde na cultura de soja e milho em sucessão

POTENTIAL RISK OF LOSSES IN MAIZE CAUSED BY Dichelops melacanthus (DALLAS) (HEMIPTERA: PENTATOMIDAE) IN BRAZIL

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