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Susceptibility of four passion fruit species to the reniform nematode Rev. Bras. Frutic.
Inomoto,Mário Massayuki; Fonseca,Amanda Borjatto da.
Abstract Reniform nematode (Rotylenchulus reniformis) is a major pest of sour-passion fruit (Passiflora edulis) in Brazil, and few management methods are currently available, mainly due to the lack of host-plant resistance. Other species of passion fruit species are also commercially available in Brazil, which could be a source of resistance. Cultivars of three species (P. setacea ‘BRS-Pérola-do-Cerrado’, P. cincinnata ‘BRS-Sertão-Forte’, and P. alata ‘BRS-Mel-do-Cerrado’), and one susceptible cultivar (P. edulis BRS-Gigante-Amarelo) were evaluated for reniform nematode susceptibility in two greenhouse trials. Results showed that the cultivars were susceptible. Therefore, reniform nematode management in passion fruit must be rely on a combination of...
Tipo: Info:eu-repo/semantics/other Palavras-chave: Passiflora alata; Passiflora cincinnata; Passiflora edulis; Passiflora setacea; Rotylenchulus reniformis.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452020000200402
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Seed treatment affects Meloidogyne incognita penetration, colonization and reproduction on cotton Ciência Rural
Bessi,Rosana; Sujimoto,Fernando Ribeiro; Inomoto,Mário Massayuki.
The effect of abamectin, applied as seed treatment, on Meloidogyne incognita penetration, colonization, and reproduction on cotton was evaluated in two greenhouse experiments. Second stage juveniles (J2) penetration was evaluated 3, 9 and 15 days after germination (dag), whereas the nematode colonization was evaluated 27dag, by counting the total number of galls and egg masses per root system. Eggs and J2 were extracted from the roots to assess the nematode reproduction at 50 and 100dag. The seed treatment caused a decrease in J2 penetration in the roots, resulting in lower colonization and reproduction of M. incognita. These findings are discussed considering the environmental aspects of abamectin in the soil and the current practices for the crop...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Abamectin; Gossypium hirsutum; Knot-root nematode; Nematicide.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782010000600030
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