Pest categorisation of Hirschmanniella spp
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Title
Pest categorisation of Hirschmanniella sppAuthor (s)
Date
2018-06-04Publisher
European Food Safe Authority (EFSA)Bibliographic citation
JEGER, Michael; BRAGARD, Claude; CAFFIER, David; CANDRESSE, Thierry; CHATZIVASSILIOU, Elisavet; DEHNEN-SCHMUTZ, Katharina; GILIOLI, Gianni; GRÉGOIRE, Jean-Claude; JAQUES, Josep A.; MACLEOD, Alan; NAVAJAS NAVARRO, María; PARNELL, Stephen; POTTING, Roel; RAFOSS, Trond; ROSSI, Vittorio; UREK, Gregor; VAN BRUGGEN, Ariena; VAN DER WERF, Wopke; WEST, Jonathan; WINTER, Stephan; KALUSKI, Tomasz; NIERE, Björn (2018). Pest categorisation of Hirschmanniella spp. EFSA Journal, v. 16, n. 6Type
info:eu-repo/semantics/articlePublisher version
https://www.efsa.europa.eu/en/efsajournal/pub/5297Version
info:eu-repo/semantics/publishedVersionSubject
Abstract
The Panel on Plant Health performed a pest categorisation of nematodes belonging to the genus
Hirschmanniella (Nematoda: Pratylenchidae). Twenty-nine species in this genus have been considered of
which five species ... [+]
The Panel on Plant Health performed a pest categorisation of nematodes belonging to the genus
Hirschmanniella (Nematoda: Pratylenchidae). Twenty-nine species in this genus have been considered of
which five species are present in the EU (Hirschmanniella behningi, Hirschmanniella gracilis,
Hirschmanniella halophila, Hirschmanniella loofi and Hirschmanniella zostericola). The whole genus
except H. gracilis is regulated by Council Directive 2000/29/EC (Annex IAI). Hirschmanniella species are
root endoparasites uniquely adapted to aquatic environments. Most species are reported from tropical
regions. Monocotyledons including aquatic plants are main hosts and some Hirschmanniella species are
important pests of rice. Plants for planting are potential pathways for entry. Hirschmanniella species are
frequently intercepted on imported aquarium plants. Measures are available to avoid entry.
Environmental conditions in greenhouses and potentially in rice production areas of the EU are suitable
for establishment. The nematode may be spread with irrigation, tools or plants for planting.
Hirschmanniella species were categorised into four groups. The first group includes species reported as
pests of crop plants; those satisfy all the criteria that are within the remit of EFSA to assess to be
regarded as Union quarantine pests. The second group includes species that are not reported to cause
economic damage to crop plants; those species do not satisfy all the criteria to be regarded as Union
quarantine pests. Uncertainty exists whether species in this group can cause damage once introduced
into the EU. The third group includes species that are known to be present in the EU and do not cause
damage; they do not satisfy the criteria to be regarded as Union quarantine pests or regulated nonquarantine
pests. The fourth group consists of H. gracilis only. This worldwide occurring species is
present in the EU where it does not cause economic damage. It does not satisfy all the criteria to be
regarded as a Union quarantine pest. [-]
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EFSA Journal (2018), v. 16, n. 6Rights
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