Abstract
Abstract Pratylenchus vulnus was discovered in nematode-distributing fields from symptomatic seedling roots and corresponding rhizosphere soil on strawberry farms in Taiwan. Microscopic measurements and scanning electron microscope observations of both sexes of the nematode coincided with the general morphological descriptions of the species. Four different types of female tail termini were observed, including pointed, digitate, smooth and tapering. Molecular analysis of the ribosomal RNA sequence (SSU, ITS and LSU regions) and the mitochondria COI gene sequences confirmed the species identification. Phylogenetic analysis suggested no specific geographic linkage of the Taiwan population to other previously reported populations.
Highlights
Root lesion nematodes (Pratylenchus sp.) are among the most economically damaging phytoparasitic nematodes on fruits, tree rootstocks and vegetables (Yu et al, 2012)
We here report the discovery of one Pratylenchus sp. population in strawberry fields in Dahu township of Miaoli, Taiwan in 2017
The fact that four different tail terminus types were observed in the P. vulnus Taiwan population implies this population may have been established in the region rather than being recently imported
Summary
Root lesion nematodes (Pratylenchus sp.) are among the most economically damaging phytoparasitic nematodes on fruits, tree rootstocks and vegetables (Yu et al, 2012). Pratylenchus vulnus, Morphology, SEM, Phylogenetic analysis, Strawberry, Root lesion nematode. Population in strawberry fields in Dahu township of Miaoli, Taiwan in 2017. The strawberry crops growing in the nematode-distributing fields GS and KDL were obviously stunted when discovered.
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