Dataset Information

The Genus Pratylenchus (Nematoda: Pratylenchidae) in Israel: From Taxonomy to Control Practices.

ABSTRACT: Due to Israel's successful agricultural production and diverse climatic conditions, plant-parasitic nematodes are flourishing. The occurrence of new, previously unidentified species in Israel or of suggested new species worldwide is a consequence of the continuous withdrawal of efficient nematicides. Among plant-parasitic nematodes, migratory endoparasitic species of the genus Pratylenchus are widely distributed in vegetable and crop fields in Israel and are associated with major reductions in quality and yield. This review focuses on the occurrence, distribution, diagnosis, pathogenicity, and phylogeny of all Pratylenchus species recorded over the last few decades on different crops grown throughout Israel-covering early information from nematologists to recent reports involving the use of molecular phylogenetic methodologies. We explore the accepted distinction between Pratylenchus thornei and Pratylenchus mediterraneus isolated from Israel's northern Negev region, and address the confusion concerning the findings related to these Pratylenchus species. Our recent sampling from the northern Negev revealed the occurrence of both P. thornei and P. mediterraneus on the basis of molecular identification, indicating P. mediterraneus as a sister species of P. thornei and their potential occurrence in a mixed infection. Finally, the efficiencies of common control measures taken to reduce Pratylenchus' devastating damage in protected crops and field crops is discussed.

SUBMITTER: Bucki P

PROVIDER: S-EPMC7716202 | biostudies-literature | 2020 Nov

REPOSITORIES: biostudies-literature

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Publications

The Genus <i>Pratylenchus</i> (Nematoda: Pratylenchidae) in Israel: From Taxonomy to Control Practices.

Bucki Patricia P Qing Xue X Castillo Pablo P Gamliel Abraham A Dobrinin Svetlana S Alon Tamar T Braun Miyara Sigal S

Plants (Basel, Switzerland) 20201102 11

Due to Israel's successful agricultural production and diverse climatic conditions, plant-parasitic nematodes are flourishing. The occurrence of new, previously unidentified species in Israel or of suggested new species worldwide is a consequence of the continuous withdrawal of efficient nematicides. Among plant-parasitic nematodes, migratory endoparasitic species of the genus <i>Pratylenchus</i> are widely distributed in vegetable and crop fields in Israel and are associated with major reductio ...[more]

PMID: 33147883

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Project description:Three new species of Aporcelaimoides from natural habitats in Vietnam are studied, described and illustrated, including line drawings, LM and/or SEM pictures. Aporcelaimoidesbrevistylum sp. n. is characterized by its body 1.95-2.90 mm long, lip region offset by deep constriction and 17-18 µm broad, ventral side of mural odontostyle 11-14 µm long with aperture occupying 62-71% of its length, neck 663-767 µm long, pharyngeal expansion occupying 58-66% of total neck length, uterus a simple tube 85-182 µm long, pars refringens vaginae absent, V = 55-63, tail short and rounded (34-46 µm, c = 49-76, c' = 0.6-0.8), spicules 67-86 µm long, and one ventromedian supplement out the range of spicules. Aporcelaimoidesminor sp. n. is distinguished in having body 2.09-2.61 mm long, lip region offset by deep constriction and 19-20 µm broad, mural odontostyle 14-16 µm long at its ventral side with aperture occupying 73-84% of its length, neck 579-649 µm long, pharyngeal expansion occupying 57-66% of total neck length, uterus a simple tube 44-69 µm long, pars refringens vaginae well developed, V = 48-56, female tail very short, rounded conoid or truncate (14-26 µm, c = 90-146, c' = 0.3-0.6), and male unknown. Aporcelaimoidessilvaticum sp. n. is characterized by its body 2.09-2.60 mm long, lip region offset by depression and 17-18 µm broad, mural odontostyle 11-12 µm long at its ventral side with aperture occupying 60-66% of its length, neck 597-720 µm long, pharyngeal expansion occupying 58-64% of total neck length, uterus a simple tube 128-243 µm long, pars refringens vaginae well developed, V = 58-60, tail short and rounded (27-37 µm, c = 67-94, c' = 0.6-0.7), spicules 64-75 µm long, and two or three widely spaced ventromedian supplements bearing hiatus. The genus Aporcelaimoides is restored, its diagnosis emended, and three species of Sectonema, namely Sectonemaamazonicum, Sectonemahaguei and Sectonemamoderatum, transferred to it. An updated list of its species, a key to their identification and a tabular compendium with the most important morphometric features are also presented.

Dataset Information

The Genus Pratylenchus (Nematoda: Pratylenchidae) in Israel: From Taxonomy to Control Practices.

Publications

The Genus <i>Pratylenchus</i> (Nematoda: Pratylenchidae) in Israel: From Taxonomy to Control Practices.

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