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Cattley guava genotypes resistance to Meloidogyne enterolobii

ABSTRACT:

This research aimed to evaluate genotypes of P. cattleyanum by resistance to M. enterolobii. The experiment was conducted in a completely randomized design with six treatments, consisting of five genotypes of P. cattleyanum and guava 'Paluma' (control) and eight replicates. Genotypes classification for resistance was determined by the reproduction factor (RF), evaluated at 135 days after inoculation with the nematode. Genotypes of P. cattleyanum were considered as resistant once reproduction factors evaluated had less than or equal to 0.2.

Key words:
Psidium guajava; Psidium catteyanum; clonal propagation; minicutting; root-knotnematode; guava decline

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