Occurrence of plant-parasitic nematodes in ornamental and flowering plants at UNESP/FCAV, campus of jaboticabal, são paulo state, brazil
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Abstract
The plant-parasitic nematodes are responsible for serious injuries in roots and shoots of ornamental plants, reducing its beauty and consequently its economic value. This study aimed to ascertain the occurrence and distribution of plantparasitic nematodes through the analysis of the roots of ornamental and flowering plants at UNESP FCAV's landscape. The roots were collected from fifteen different species as follows: Anthurium andreannum, Rhododendron simsii, Impatiens walleriana, Calathea stromata, Cordyline terminalis, Dieffenbachia picta, Dracaena marginata, Ficus benjamina, Spathiphyllum ortgiesii 'Sensation', Spathiphyllum wallisi 'American Beauty' and 'Mini', Odontonema strictum, Portulaca grandiflora, Strelitzia reginae, Tradescantia zebrina and Tradescantia pallida. Samples of roots were processed. The plant-parasitic nematodes identified in the samples were: Meloidogyne sp. (Anthurium andreannum, Calathea stromata, Dieffenbachia picta, Ficus benjamina, Impatiens walleriana, Odontonema strictum, Portulaca grandiflora, Spathiphyllum ortgiesii 'Sensation'), Helicotylenchus dihystera (Calathea stromata, Dracaena marginata, Portulaca grandiflora, Spathiphyllum ortgiessi 'Sensation', Tradescantia pallida, Tradescantia zebrina), Tylenchus sp. (Anthurium andreannum, Calathea stromata, Cordyline terminalis, Dieffenbachia picta, Ficus benjamina, Rhododendron simsii), Aphelenchoides sp. (Dieffenbachia picta, Spathiphyllum ortgiesii 'Sensation', S. wallisi 'American Beauty'), Rotylenchulus reniformis (Cordyline terminalis, Dracaena marginata, Odontonema strictum), Pratylenchus sp. (Spathiphyllum ortgiesii 'Sensation', Spathiphyllum wallisi 'Mini'), Ditylenchus sp. (Spathiphyllum wallisi 'Mini'), Pratylenchus brachyurus (Tradescantia zebrina). The plant-parasitic nematodes weren't found in the roots of Strelitzia reginae.
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Fitonematodes, Host plant, Landscape, Losses, Roots, Survey, Anthurium, Aphelenchoides, Calathea, Cordyline, Cordyline terminalis, Dieffenbachia seguine, Ditylenchus, Dracaena (angiosperm), Dracaena marginata, Ficus (angiosperm), Ficus benjamina, Helicotylenchus dishystera, Impatiens, Impatiens walleriana, Magnoliophyta, Meloidogyne, Nematoda, Odontonema tubiforme, Portulaca grandiflora, Portulacaceae, Pratylenchus, Pratylenchus brachyurus, Rhododendron, Rhododendron simsii, Rotylenchulus reniformis, Spathiphyllum, Strelitzia reginae, Tradescantia, Tradescantia pallida, Tradescantia zebrina, Tylenchus
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English
Citation
Acta Horticulturae, v. 881, p. 607-610.
