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https://locus.ufv.br//handle/123456789/16694
Tipo: | Artigo |
Título: | Host status of progenies of yellow passion fruit to Meloidogyne incognita race 2 |
Autor(es): | Nascimento, Roxana Stefane Mendes Lopes, Everaldo Antônio Santos, Carlos Eduardo Magalhães dos Magalhães, Viviane Manuela Bernardes Silva Cardoso, José Avelino |
Abstract: | The host status of eighteen progenies (CRP 01-12 to CRP 16-12, CRP 19-12 and CRP 20-12) and two cultivars (FB 200 Yellow Master and FB 300 Araguari) of yellow passion fruit to Meloidogyne incognita race 2 was evaluated in a greenhouse experiment. The height and the biomass of the plants, besides the numbers of galls, eggs and second-stage juveniles in roots and soil were assessed after 70 days of cultivation of the genotypes and tomato (control) in plastic pots with 2 kg of soil infested with 5,000 eggs of the nematode. The reproduction factor of the pathogen (RF = Final population/Initial population) was calculated for classifying the genotypes as immune (RF = 0), resistant (RF < 1) or susceptible (RF ≥ 1). The cultivar FB 200 is resistant to M. incognita race 2 and can be cultivated in areas infested with this nematode. |
Palavras-chave: | Root-knot nematode Passiflora edulis Resistance |
Editor: | Crop Breeding and Applied Biotechnology |
Tipo de Acesso: | Open Access |
URI: | http://dx.doi.org/10.1590/1984-70332016v16n2n23 http://www.locus.ufv.br/handle/123456789/16694 |
Data do documento: | 26-Abr-2016 |
Aparece nas coleções: | Artigos |
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