Invasive Species Compendium

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Abstract

Occurrence of Aphelenchoides besseyi in invasive plant species.

Abstract

This paper presents the results of a study conducted at Embrapa Soja (Londrina, Parana) to evaluate the hostability of several weeds, occurring in several regions of Brazil, to the nematode Aphelenchoides besseyi, from infected soyabean plants. The experiment was carried out with fifteen species of invasive plants: Nicandra physaloides, Ipomoea grandifolia, Bidens pilosa, Commelina benghalensis, Amaranthus viridis, Sonchus oleraceus, Emilia sonchifolia, Euphorbia heterophylla, Spermacoce verticillata, Panicum maximum, Cenchrus echinatus, Eleusine indica, Euphorbia pilulifera, Leonotis nepetaefolia [L. nepetifolia] and Synedrellopsis grisebachii. Synedrellopsis grisebachii, L. nepetaefolia, Amaranthus viridis and Commelina benghalensis are hosts of the nematode, being able to maintain, feed and multiply the causal agent of "Soja Louca II".