For the management of the nematode of Meloidogyne incognita nodule in plants of Solanum lycopersicum L., the effectiveness of plant extracts: Ruta graveolens, Eucalyptus spp., Ocimum basilicum, Acacia farnesiana, and Nicotiana tabacum, and as a control fungus Paecilomyces lilacinus 6.5x1013 UFC/g were used. For each treatment, 5000 nematodes J2 of M. incognita/plant were used. The extracts were applied per intervals of 10 days in three occasions. The assessed variables were: plant height, performance at eight cuts and efficiency of the extracts at 20 weeks after the transplant. The results show there were no significant differences among treatments for the plant height. Regarding the performance with A. farnesiana, it obtained the highest performance (18.46 kg m-2), followed by P. lilacinus (6.5x1013 UFC/g) with 16.46 kg m-2. Both treatments are statistically different from the treatments, control (12.91 kg m-2), R. graveolens and O. basilicum (13.03 and 13.8 kg m-2), respectively. Regarding the effectiveness for the reduction of the nematode in soil, A. farnesiana reduced it by 57% and P. lilacinum fungus by 50.5%. So, the use of vegetable extracts for the management of nematodes populations of the Meloidogyne gender is an alternative way because they act as repellents and cause the death of nematodes.
Key words: Oils, nematodes, nodules, tomato, extracts, management, tomato, effectiveness.
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