Plant-parasitic nematodes associated with vegetables in Northern Minas Gerais, Brazil / Fitonematoides associados a hortaliças no Norte de Minas Gerais, Brasil

Authors

  • Dandara Maria Clara do Rosário Barbosa Brazilian Journals Publicações de Periódicos, São José dos Pinhais, Paraná
  • Wesley José Cardoso
  • Maria de Fátima Gonçalves Fernandes
  • Fernando da Silva Rocha
  • Maria de Fátima Silva Muniz

DOI:

https://doi.org/10.34117/bjdv6n9-131

Keywords:

Meloidogyne spp., occurrence, infectivity, olericulture.

Abstract

Plant-parasitic nematodes are frequently associated with vegetables causing yield losses. There is little information on the occurrence of these pathogens in the state of Minas Gerais, Brazil. The objective of this work was to identify plant-parasitic nematodes associated with vegetable crops, focusing on the detection of Meloidogyne spp. in commercial production areas located in the municipality of Montes Claros, Northern Minas Gerais, Brazil. Soil and roots samples were collected from 15 farms including 19 vegetable crops. Nematodes were extracted from soil and identified to genus level, and the roots were assessed for gall index. In soil samples, the genera Meloidogyne spp., Helicotylenchus spp., Rotylenchulus spp., Criconemoides spp., Pratylenchus spp. and Tylenchus spp. were observed in a percentage of 46.1; 31.8; 11.8; 7.4; 6.4 and 3.6%, respectively. The average gall index in vegetable crops were: squash (4.5), lettuce (2.2), eggplant (9.3), beetroot (2.4), broccoli (1.9), carrot (0.3), coriander (2.6), cabagge (0.3), cauliflower (1.2), spinach (2.0), beans (2.8), scarlet eggplant (3.3), gherkin (1.9), cucumber (3.0), pepper (3.3), okra (2.3), arugula (0.7), parsley (3.7) and tomato (3.3).

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Published

2020-09-08

How to Cite

Barbosa, D. M. C. do R., Cardoso, W. J., Fernandes, M. de F. G., Rocha, F. da S., & Muniz, M. de F. S. (2020). Plant-parasitic nematodes associated with vegetables in Northern Minas Gerais, Brazil / Fitonematoides associados a hortaliças no Norte de Minas Gerais, Brasil. Brazilian Journal of Development, 6(9), 65849–65858. https://doi.org/10.34117/bjdv6n9-131

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Original Papers