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Reaction of vegetables and aromatic plants to Meloidogyne javanica and M. incognita

DOI: 10.1590/S0102-05362012000200023

Keywords: vegetables, susceptibility, resistance, root-knot nematodes.

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Abstract:

for this research we used 15 day-old seedlings which were transplanted to 2 l pots and inoculated with 4,000 nematode eggs plus juveniles (j2). after 60 days, the root systems were removed and the number of galls and eggs evaluated and used to calculate the nematode reproduction factor (rf). the tomato cv. santa cruz was used as a susceptible control. the experimental design was completely randomized, with six replications. averages were compared using the tukey or scott-knott test at 5%. for lettuce, salad bowl (mimosa type), elizabeth and elisa (lisa) and vera cultivars (crisphead), the number of galls and the rf for m. javanica were statistically higher than for the control, whereas, for the other vegetable crops, the highest number of galls and eggs were found in chicory and basil. the highest susceptibility to m. incognita was observed in mimosa lettuce cv. salad bowl, chicory cultivars, parsley cv. graúda portuguesa and basil. marjoram exhibited no m. incognita galls.

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