Biological control of phytoparasitic nematodes in sugarcane fields

Authors

  • Leila Luci Dinardo-Miranda
  • Isabella Dinardo Miranda
  • Higor Domingos Silvério da Silva
  • Juliano Vilela Fracasso

Abstract

The management of nematode infested areas includes several measures, among which chemical nematicides are the most used. However, since their use is associated with environmental impacts, researches with biocontrol agents have acquired a greater importance. This study aimed to evaluate the performance of Bacillus subtilis + B. licheniformis, when applied to the planting furrow, on nematode control and its effects on sugarcane yield. Five experiments were carried out in infested areas, with four treatments: control - no nematicide; carbosulfan 700EC 4 L ha-1 - standard treatment; B. subtilis + B. licheniformis at 0.16 kg ha-1 and 0.20 kg ha-1. Carbosulfan was more efficient in controlling the nematodes, reducing the populations at least four months after planting. The treatments with B. subtilis + B. licheniformis were more effective in the control of Meloidogyne javanica, when compared to Pratylenchus. The plots treated with carbosulfan produced 11 % more than the control. There was no difference between the B. subtilis + B. licheniformis doses, in relation to yield. The plots treated with the biological product produced 5 % more than the control.

KEYWORDS: Bacillus subtilis, Bacillus licheniformis, Meloidogyne, Pratylenchus.

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Published

2022-12-08

How to Cite

DINARDO-MIRANDA, L. L.; MIRANDA, I. D.; SILVA, H. D. S. da; FRACASSO, J. V. Biological control of phytoparasitic nematodes in sugarcane fields. Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics], Goiânia, v. 52, p. e73758, 2022. Disponível em: https://revistas.ufg.br/pat/article/view/73758. Acesso em: 17 jul. 2024.

Issue

Vol. 52 (2022)

Section

Research Article

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