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Nematodes associated with five fruit trees in the state of Amapá, Brazil / Nematoides associados a cinco fruteiras no estado do Amapá, Brasil
Santos, Rodrigo Souza; Martinelli, Paulo Roberto Pala.
  • Santos, Rodrigo Souza; Embrapa Acre. Rio Branco. BR
  • Martinelli, Paulo Roberto Pala; Embrapa Acre. Rio Branco. BR
Ciênc. rural ; 46(9): 1509-1513, tab
Article in English | LILACS | ID: lil-787403
ABSTRACT
ABSTRACT The aim of this study was to conduct a survey on nematodes associated with five cultivated fruit trees growing in the Agroforestry System (AFS) of the municipality of Oiapoque, Amapá, Brazil. Rhizosphere samples were collected from three points at the base of murici ( Byrsonima sp.), soursop ( Annona muricata ), cupuaçu ( Theobroma grandiflorum ), passion fruit ( Passiflora sp.) and peach palm ( Bactris gasipaes ) trees. Four species of phytonematodes were identified, namely Pratylenchus brachyurus, Helicotylenchus dihystera, Mesocriconema xenoplax and Rotylenchulus reniformis . The most prevalent and abundant species was R. reniformis , which was found in the rhizospheres of passion fruit, cupuaçu, soursop, and peach palm. The first record in Brazil of the nematode P. brachyurus , found in the roots of murici is reported here, and all of the nematode species identified here are the first records for fruit trees in the state of Amapá.
RESUMO
RESUMO Este estudo teve como objetivo o levantamento de nematoides, associados a cinco fruteiras cultivadas em Sistema Agroflorestal (SAF), no município de Oiapoque, AP. Amostras da rizosfera foram coletadas em três pontos, na base de plantas de murici ( Byrsonima sp.), graviola ( Annona muricata ), cupuaçu ( Theobroma grandiflorum ), maracujá ( Passiflora sp.) e pupunha ( Bactris gasipaes ). Foram constatadas quatro espécies de fitonematoides Pratylenchus brachyurus, Helicotylenchus dihystera, Mesocriconema xenoplax e Rotylenchulus reniformis . A espécie mais prevalente e abundante foi R . reniformis , encontrado na rizosfera de maracujá, cupuaçu, graviola e pupunha. Foi relatado o primeiro registro de P. brachyurus em raízes de muricizeiro no Brasil e todas as espécies encontradas configuram-se como primeiros registros de fitonematoides em fruteiras no estado do Amapá.


Full text: Available Index: LILACS (Americas) Type of study: Risk factors Country/Region as subject: South America / Brazil Language: English Journal: Ciênc. rural Journal subject: Science / Environmental Health Year: 2016 Type: Article Affiliation country: Brazil Institution/Affiliation country: Embrapa Acre/BR

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Full text: Available Index: LILACS (Americas) Type of study: Risk factors Country/Region as subject: South America / Brazil Language: English Journal: Ciênc. rural Journal subject: Science / Environmental Health Year: 2016 Type: Article Affiliation country: Brazil Institution/Affiliation country: Embrapa Acre/BR