Determinación de la patogenicidad de rotylenchulus reniformis y meloidogyne incognita en plantas de papaya (carica papaya l.) cv. maradol y maracuyá (passiflora edulis sims.) cv. flavicarpa

The kidney nematode, Rotylenchulus reniformis and the root-knot Meloigogyne incognita, have a great economic importance in the papaya and passion fruit crops in the Ecuadorian coastal region. This work was carried out in the greenhouse of the Faculty of agricultural sciences, Technical University of Babahoyo, located at Km 7 ½ beteen Babahoyo-Montalvo in the Ríos province. The objective was to study the pathogenicity of different nematodes populations of R. reniformis and M. incognita. These population nematodes level were 50, 100, 150, 200, 250, 300, 350, 400 y 500 nematodes by 100 cm3 of soil comparated with a control without nematodes. The design completely randomly was used with 15 experimental units for treatment. 60 Days after transplanting was assessed, height of plant, weight of air part of plant, weight of roots in fresh state, number of galls in roots by plant and pupulations densities of nematodes from roots and soil by each plant. According to the results, the kidney nematode, R. reniformis was more pathogenic than M. incognita in papaya and passion fruit, however, this two crops were affected by the nematode. The root-knot nematode M. incognita was more pathogenic in papaya than passion fruit; 60 days after transplanting, R. reniformis was more abundant in soil than in roots of papaya and passion fruit crop, however on the soil there was a greater population density of R. reniformis than M. incognita.......

• Glavni avtor: Torres Villavicencio, Gabriela Karina (author)
• Format: bachelorThesis
• Jezik: spa
• Izdano: 2012
• Teme: Cultivo de papaya; Maradol y maracuyá; Hortofrutícolas,; Nemátodos
• Online dostop: http://dspace.utb.edu.ec/handle/49000/963