Nematophages fungi in the biocontrol of the Meloidogyne exigua Goeldi in Coffea arabica L. var. catimor, in Satipo - Peru
DOI:
https://doi.org/10.51252/raa.v2i2.343Keywords:
control, dose, Paecilomyces, Pochonia, TrichodermaAbstract
The central jungle of Peru is the most important coffee-growing region at the national level, where there is a high incidence of the nematode that forms galls on the roots of the coffee tree; Meloidogyne exigua Goeldi, without adequate control because chemical control affects health and the environment, in this sense biological control alternatives are sought. The objective was to test the effectiveness of three nematophagous fungi against M. exigua Goeldi using nursery plants. The work was carried out in the laboratory and in the field. The variables evaluated were: number of galls, incidence of nematodes, severity, population of eggs, population of juveniles 2 and population of females. The results show that the 1st application of Pochonia chlamidosporia is statistically superior in the control of nematodes with respect to Paecilomyces lilacinus and Trichoderma harzianum, which occupy the second and third place, respectively. The dose of 2 g/seedling for P. chlamidosporia statistically exceeds the doses of 1.0 and 0.5 g/seedling. When the application rate of Paecilomyces lilacinus and Pochonia chlamydosporia increases, all variables decrease; but when the dose of Trichoderma harzianum increases, the variables remain constant, so there is no control effect.
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