Fontes de resistência em melancia aos principais potyvírus isolados de cucurbitáceas no Nordeste brasileiro

Oliveira, V. B.; Queiróz, M. A. de; Lima, A. A. C.

doi:10.1590/s0102-05362002000400015

Cited by 14 publications

(19 citation statements)

References 4 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…3) and watermelon genotypes, but specific resistant gene of each virus can differentiate them. The PRSV-W, formerly known as watermelon mosaic virus 1, is the most prevalent virus in melon fields in the Northeastern Brazil (Lima et al 1980a, 1980b, Lima & Amaral 1985, Oliveira et al 2000, Moura et al 2001, Oliveira et al 2002, followed by WMV (Sá & Kitajima 1991). An isolate of PRSV-W was obtained from plants of Luffa operculata Cong.…”

Section: Viruses From Genus Potyvirusmentioning

confidence: 99%

“…Oliveira et al (2002) evaluated several melon hybrids produced by the Embrapa/CNPAT and found that eight hybrids were resistant to WMV, ZYMV and PRSV-W. According to Parlevlit (2000) virus resistance in plants is, frequently, moderately durable, even if it is monogenic or polygenic, and for this reason the resistance never last forever.…”

Section: Viruses From Genus Potyvirusmentioning

confidence: 99%

“…More than 20 viruses were found naturally infecting different cucurbit species (Lisa & Lecoq 1984, Purcifull et al 1984a, 1984b, Gil-Salas et al 2011, Moradi 2011, Abdalla et al 2012, Finetti-Sialer et al 2012), but only seven viruses were detected and isolated from melon and watermelon in Northeastern Brazil (Lima et al 1980a, 1980b, Lima & Amaral 1985, Oliveira et al 2000, Moura et al 2001, Oliveira et al 2002). The present review will cover only the most important virus species infecting melon and watermelon in the commercial fields of Northeastern Brazil.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Viruses Infecting Melon and Watermelon in Northeastern Brazil

Lima¹,

Nascimento²,

Barbosa³

et al. 2012

VR&R

View full text Add to dashboard Cite

The Northeastern Brazil has a great potential for production of melon (Cucumis melo) and watermelon (Citrullus lanatus). More than 20 virus species have been found naturally infecting cucurbit species around the world, but only seven of them were already found infecting those cucurbit crops in Northeastern Brazil. Plant viruses have been identified by several methods involving their morphological, physical, biological, cytological, serological and molecular properties, but serology is one of the most specific and accessible methods to obtain a rapid and precise diagnosis of a plant disease caused by virus. Several serological techniques were developed and the advent of the enzyme-linked immunosorbent assay (ELISA) has facilitated the use of serology in the identification and characterization of plant viruses, including those infecting melon and watermelon. Virus infections in melon and watermelon are considered of great importance because they can seriously affect yield all over the world, mainly in developing countries. The present review describes biological, morphological, serological and molecular properties of important virus species infecting melon and watermelon in commercial fields of Northeastern Brazil. The review covers the virus species from the following family and genera: Potyviridae

show abstract

Section: Viruses From Genus Potyvirusmentioning

confidence: 99%

Section: Viruses From Genus Potyvirusmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Viruses Infecting Melon and Watermelon in Northeastern Brazil

Lima¹,

Nascimento²,

Barbosa³

et al. 2012

VR&R

View full text Add to dashboard Cite

show abstract

“…Entretanto, atualmente não existem variedades de melancia resistentes a vírus sendo comercializadas, apesar da existência de fontes de melancia resistentes a potyvírus (OLIVEIRA et al, 2002;SILVEIRA et al, 2005).…”

unclassified

Seleção de linhagens de melancia resistentes ao Watermelon mosaic virus e ao Papaya ringspot virus

Júnior¹,

Figueira²,

Maluf³

2007

Ciênc. agrotec.

View full text Add to dashboard Cite

RESUMOForam avaliadas 20 linhagens de melancia, provenientes do cruzamento da cultivar comercial suscetível Crimson Sweet e da introdução PI 595201 resistente ao Watermelon mosaic virus (WMV) e Papaya ringspot virus (PRSV-W). As linhagens, e os parentais foram inoculados com o WMV ou com o PRSV-W em casa-de-vegetação distintas. Aos 35 e 49 dias após a primeira inoculação (DAI), as plantas foram avaliadas por meio de uma escala de notas, em que 1 (ausência de sintomas) a 5 (intenso mosaico e deformações foliares). Pelos resultados infere-se que, aos 35 DAI, as linhagens 1, 2 e 20 apresentaram resistência tanto para o WMV como para o PRSV-W, com médias de 1,95, 1,80 e 2,25 para o WMV, e de 2,50, 2,30 e 2,50 para o PRSV-W, respectivamente. As linhagens 5, 7 e 13 foram resistentes somente ao WMV e as plantas das linhagens 3, 10 e 18 para o PRSV-W. A reação das linhagens permaneceu em geral pouco alterada aos 49 DAI. A existência de linhagens resistentes somente ao WMV e somente ao PRSV-W, ao lado de linhagens resistentes a ambos os vírus, é indicativo de que as resistências ao WMV e ao PRSV-W não são controladas pelos mesmos genes. Termos para indexação:Controle genético, Cucurbitaceae, Potyvirus. ABSTRACTTwenty advanced watermelon breeding lines, derived from the cross between cv. Crimson Sweet (susceptible) and PI 595201 (resistant to WMV and PRSV-W), were screened for resistance to both potyviruses. The twenty lines, among with Crimson Sweet and PI 595201, were inoculated with either WMV or PRSV-W, in two different greenhouse trials. Plants were evaluated for symptoms 35 and 49 days after the first inoculation (DAI), using a scale from 1 (no symptoms) to 5 (severe mosaic and foliar distortion). Evaluations at 35 DAI indicated that lines 1, 2 and 20 had good levels of resistance to both WMV and PRSV-W, with ratings of 1,95, 1,80 and 2,25 for WMV, and of 2,50, 2,30 and 2,50 for PRSV-W, respectively. Lines 5, 7 and 13 were resistant to WMV only, whereas lines 3, 10 and 18 were resistant to PRSV-W only. The reaction of the lines 49 DAI remained essentially unchanged. The existence of lines with resistance to WMV only and to PRSV-W only, along with lines with resistance to both viruses, indicates that resistance to WMV and PRSV-W are under control of different genes.

show abstract

“…Este fato acarreta gastos com defensivos, uma vez que quando cultivadas em condições ambientais diferentes daquelas para as quais foram desenvolvidas, as variedades tornam-se suscetíveis ao ataque de pragas e doenças. Por outro lado, os genótipos de melancia disponíveis na agricultura tradicional do Nordeste brasileiro são muitos e apresentam grande variabilidade para características diversas, inclusive resistência às principais doenças que se manifestam na cultura, incluindo as viroses ocasionadas pelos vírus da família Potyviridae, gênero Potyvirus: Papaya ringspot virus -tipo watermelon (PRSV-W), Watermelon mosaic virus (WMV) e Zucchini yellow mosaic virus (ZYMV) (Oliveira et al, , 2002Queiróz et al, 2002). Essa variabilidade está preservada no Banco Ativo de Germoplasma (BAG) de cucurbitáceas para o Nordeste brasileiro, localizado na Embrapa Semi-Árido em Petrolina-PE (Queiróz, 1998).…”

unclassified

Seleção de acessos e progênies de Citrullus spp. para resistência a três potyvirus

Silveira¹,

Queiróz²,

Lima

et al. 2005

Fitopatol. bras.

View full text Add to dashboard Cite

de acessos e progênies de Citrullus spp. para resistência a três potyvirus. Fitopatologia Brasileira 30: 394-399. 2005. RESUMOVisando selecionar acessos e progênies de melancia (Citrullus spp.) como fontes de resistência aos potyvirus: Papaya ringspot virus -tipo watermelon (PRSV-W), Watermelon mosaic virus (WMV) e Zucchini yellow mosaic virus (ZYMV), oito genótipos foram avaliados, sendo seis dos acessos (87-019, 87-029, 91-080, PI-244018, 91-043 e PI-195927) e dois do acesso PI-244019 (PI-244019A e PI-244019B) do Banco Ativo de Germoplasma (BAG) de cucurbitáceas do Nordeste brasileiro, da Embrapa Semi-Árido em Petrolina-PE. Também foram avaliadas progênies endogâmicas e de polinização livre derivadas desses acessos. As avaliações foram realizadas em de casa de vegetação, mediante inoculações mecânicas, e avaliação por Elisa, no Laboratório de Virologia Vegetal da UFC. As plantas não infetadas foram selecionadas e cultivadas na Estação Experimental de Bebedouro na Embrapa Semi-Árido em Petrolina-PE, onde ocorreram inoculações naturais de vírus por vetores. Foram constatadas plantas não infetadas com o PRSV-W nos acessos 87-019, PI-244019A, 91-080, PI-244018, PI-244019B e PI-195927; plantas não infetadas com o WMV nos acessos 87-019 e 87-029 e plantas não infetadas com o ZYMV nos acessos PI-244019A, 87-029, 91-080, 91-043, PI-244019B e PI-195927. As progênies apresentaram comportamento diferenciado, com percentagem de plantas selecionadas variando de 20 a 100% nas progênies avaliadas para resistência a PRSV-W e 60 a 100% nas progênies avaliadas para resistência a WMV. Nenhuma das progênies testadas apresentou resistência ao ZYMV, evidenciando possível diferença entre a resistência ao PRSV-W e ao WMV apresentada nas progênies e a resistência apresentada ao ZYMV, visto que as progênies foram submetidas ao mesmo número de autofecundações.Palavras-chave adicionais: cucurbitáceas, seleção para melhoramento, PRSV-W, WMV, ZYMV. ABSTRACT Citrullus spp. accession and progeny selection for resistance to three potyvirusesSix watermelon (Citrullus spp.) accessions (87-019, 87-029, 91-080, PI-244018, 91-043 and PI-195927) and two samples (PI-244019A and PI-244019B) from the acession PI-244019B from Embrapa Cucurbit Germplasm Bank in Petrolina-PE, Northeast of Brazil were evaluated in an attempt to select accessions and progenies of watermelon as sources of resistance to Papaya ringspot virus -type watermelon (PRSV-W), Watermelon mosaic virus (WMV) and Zucchini yellow mosaic virus (ZYMV). Endogamic and open pollinated progenies from these accessions were also evaluated for resistance to PRSV-W, WMV and ZYMV. The evaluations were carried out in a greenhouse at the Plant Virus Laboratory of the Federal University of Ceará where the plants were mechanically inoculated and serological screened by Elisa. The selected plants were grown in the Experimental Station of Bebedouro in Petrolina-PE, where the virus inoculations were made, naturally, by vectors. According to the results, plants were not infected by PRSV-W in the followin...

show abstract

Fontes de resistência em melancia aos principais potyvírus isolados de cucurbitáceas no Nordeste brasileiro

Cited by 14 publications

References 4 publications

Viruses Infecting Melon and Watermelon in Northeastern Brazil

Viruses Infecting Melon and Watermelon in Northeastern Brazil

Seleção de linhagens de melancia resistentes ao Watermelon mosaic virus e ao Papaya ringspot virus

Seleção de acessos e progênies de Citrullus spp. para resistência a três potyvirus

Contact Info

Product

Resources

About