REACTION OF PASSION FRUIT GENOTYPES TO THE COMPLEX Meloidogyne incognita AND Fusarium solani

Rocha, Leandro de Souza; Xavier, Adelica Aparecida; Ribeiro, Regina Cássia Ferreira

doi:10.1590/1983-21252021v34n312rc

Cited by 1 publication

(2 citation statements)

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“…(2010) provided consistent plant infection and symptoms, allowing inference on pathogen interactions. Deeping seedlings´ roots in a suspension of fungal spores often results in uneven infection, which precluded inferences by Rocha et al . (2021) .…”

Section: Discussionmentioning

confidence: 99%

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Characterizing the Interaction Between Root-knot Nematodes and Soil-borne Fungi which are Pathogenic to Passion Fruit (Passiflora edulis)

Mangeiro

Nunes²,

Vieira

et al. 2022

Journal of Nematology

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For decades there have been anecdotal claims of synergistic interactions between plant-parasitic nematodes and soil-borne fungi causing decline of productivity of passion fruit (Passiflora edulis) orchards. An empirical confirmation of these disease complexes would impact disease management and plant breeding for resistance. To test those claims, we subjected passion fruit plants to single or concomitant parasitism by Meloidogyne javanica or M. incognita and Fusarium nirenbergiae or Neocosmospora sp. under controlled conditions. Non-inoculated plants served as control for the assays. The severity of shoot symptoms and variables related to plant growth, the extent of fungal lesions, and nematode reproduction were assessed to characterize the interactions. The shoot symptoms and effect on plant growth induced by the pathogens varied, but no synergy between the pathogens was observed. Moreover, the volume of tissue lesioned by the fungi was not affected by co-parasitism of the nematodes. Conversely, plant resistance to the nematodes was not affected by co-parasitism of the fungi. The interactions M. incognita-F. nirenbergiae, M. incognita-Neocosmospora sp., M. javanica-F. nirenbergiae, and M. javanica-Neocosmospora sp. were not synergistic as previously claimed, but instead neutral.

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Section: Discussionmentioning

confidence: 99%

“…However, the authors assessed just one variable and employed few plant replicates/ treatments along with no assay replication. Rocha et al . (2021) were unable to obtain a consistent fungal infection of passion fruit plants, which precluded statistical analysis to infer pathogen interactions.…”

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confidence: 99%