2002
DOI: 10.1590/s0100-41582002000100015
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Disseminação de molicutes do milho a longas distâncias por Dalbulus maidis (Hemiptera: Cicadellidae)

Abstract: O objetivo do trabalho foi testar a hipótese de que a cigarrinha Dalbulus maidis (Hemiptera: Cicadellidae) serve como reservatório natural dos molicutes (Spiroplasma kunkelii e fitoplasma) que infetam o milho (Zea mays) no Mato Grosso do Sul, após períodos prolongados de pousio. Nas safras 1997/98 e 1998/99, avaliou-se a infetividade natural de migrantes desse inseto vetor em plantios de primavera (novembro/dezembro) da região de Anastácio (MS), onde não se cultiva o milho na entressafra (abril a setembro), em… Show more

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Cited by 17 publications
(9 citation statements)
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“…In the northeast region, the incidence of this leafhopper species was higher in 2005, when 92.3% of the total D. maidis specimens were collected. These results confirm previous studies that point this species as the most abundant Cicadellidae in maize, and the main vector of maize pathogens in Brazil (Oliveira et al 2002a.…”
Section: Resultssupporting
confidence: 92%
See 1 more Smart Citation
“…In the northeast region, the incidence of this leafhopper species was higher in 2005, when 92.3% of the total D. maidis specimens were collected. These results confirm previous studies that point this species as the most abundant Cicadellidae in maize, and the main vector of maize pathogens in Brazil (Oliveira et al 2002a.…”
Section: Resultssupporting
confidence: 92%
“…In Brazil, the corn leafhopper Dalbulus maidis (Delong & Wolcott) (Hemiptera: Cicadellidae) is the insect vector of corn stunt spiroplasma (Spiroplama kunkelii Whitcomb et al), maize bushy stunt phytoplasma and Maize rayado fino virus, diseases that caused severe losses in commercial maize crops (Massola Junior et al 1999;Oliveira et al 2002a;Oliveira et al 2003). Other viruses reported in maize in Brazil are: Sugarcane mosaic virus transmitted by the aphid Rhopalosiphum maidis (Fitch) (Hemiptera: Aphididae), one the most efficient and common vector-species in maize, and Maize mosaic virus, transmitted by the planthopper Peregrinus maidis Ashmed (Hemiptera: Delphacidae) (Edwardson & Christie 1991;Waquil et al 1996;.…”
mentioning
confidence: 99%
“…As the plants grow, the traps positioned higher (1.5 m) start collecting a larger number of insects. This behavior of D. maidis was also observed during studies conducted in the state of Mato Grosso do Sul (Oliveira CM et al 2002). Hence, single-height sampling may underestimate the population size of insects, with potentially critical effects on integrated pest management programs (Vega & Barbosa 1990).…”
Section: Discussionmentioning
confidence: 56%
“…Flight activity studies and flight behavior of D. maidis has indicated high potential of migration and dispersion of this specie by leafhopper [7]. It is postulated that these phytoplasmas survive this vector in seasons and that corn aren't cultivated, in others unknown and species leafhopper being be disseminated by long distance in and out of field [10].…”
Section: Methodsmentioning
confidence: 99%