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Revista de Protección Vegetal

versión impresa ISSN 1010-2752

Resumen

HERNANDEZ-OCHANDIA, Dainé et al. Life cycle elements of a Cuban population Meloidogyne incognita (Kofoid and White) in Solanum lycopersicum L.. Rev. Protección Veg. [online]. 2012, vol.27, n.3, pp.188-193. ISSN 1010-2752.

The experiment was carried out under semi controlled conditions in biological insulators (18-21oC), with the objective of determining the duration of the life cycle of Meloidogyne incognita (Kofoid & White) Chitwood and the egg production of the adult females on tomato (Solanum lycopersicum L.) in the first 96h. Plants with about 15cm of height were transplanted to pots and, a week later, inoculated with 2500 ±5 J2 of M. incognita race 2. At 72 hours, they were removed and planted in pots with sterile soil. The root system was drawn out six days after inoculation to observe the different stages. The average temperature during the study was 18 to 21oC. Three plants were removed and the daily extraction was stopped 96 h after the first adult females with eggs in the gelatinous matrix were observed. Between 7 and 10 days after inoculation, the roots of tomato showed swollen areas, indicative of the entrance of the juveniles and their feeding. The life cycle from J2 to female eggs with gelatinous matrix was 24 days. In the first 24 hours, the females deposited over 50 eggs in the wombs, and at 96h, each of them had an average of eggs higher than 100.

Palabras clave : manage of root know nematode.

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