Application of an entomopathogenic fungus beauveria bassiana. Recently, ditylenchus destructor thorne was for the first time reported in hulls and seeds of groundnut aruchis hypogueu l. Ditylenchus destructor and ditylenchus dipsaci are economically important plant. The nematode genus ditylenchus filipjev contains more than 80 species, only few are parasites of higher plants. These nematodes are listed as quarantine pests in many countries. Nov 29, 2018 ditylenchus destructor is an important plant pathogenic nematode in agricultural production and is listed as a quarantine pest by many countries and regions. The ditylenchus destructor genome provides new insights into.
Temanggung, central java, indonesia with species reference to ditylenchus dipsaci. Resistance and tolerance of potato varieties to potato rot. Cephalic papillae and amphids visible only from a face view, arranged in a manner similar to those figured for ditylenchus disaci. Histopathology of ditylenchus destructor on peanut. Length variation and repetitive sequences of internal. A species of ditylenchus, very closely resembling d. Pdf histopathology of ditylenchus destructor on peanut.
The genus ditylenchus consists of about 80 species with a range of food sources including fungi and plants, with some species being both plant parasitic and mycophagous. Ditylenchus destructor thorne, 1945 potato nematode. Ditylenchus destructor ditydedocuments eppo global. Pm 787 1 specific scope this standard describes a diagnostic protocol for ditylenchus destructor and ditylenchus dipsaci. A comparative and phylogenetic study of the ditylenchus. Identification and characterization of ditylenchus spp. A diagnostic protocol for ditylenchus destructor is described in eppo 2008. Pdf response of potato cultivars to ditylenchus destructor. Ditylenchus dipsaci ditydidocuments eppo global database.
Lateral fields with six incisures, which are reduced to two on the neck and tail. Proceedings of the helminthological society of washington 12, 2734. If the inline pdf is not rendering correctly, you can download the pdf file here. Potential of the fungal feeding nematode aphelenchus avenae. It is commonly known as the stem nematode, the stem and bulb eelworm, or onion bloat in the united kingdom. The most serious species are ditylenchus dipsaci and ditylenchus destructor.
Risk assessment of ditylenchus destructor european food safety. Request pdf discovery of potato rot nematode, ditylenchus destructor, infesting potato in inner mongolia, china potato rot nematode, ditylenchus destructor thorne, 1945, is a serious nematode. Traditional identification depending on morphological characteristics requires taxonomic expertise and is difficult to apply for rapid identification of plant nematode species. Cephalic papillae and amphids visible only from a face view, arranged in a. Sources of resistance to rice stem nematode, ditylenchus angustus in deepwater rice genotypes. Although there are a number of reports on differences in host range, pathogenicity and virulence within the species, so far no. Many weeds and grasses are hosts for the nematode and may play an. Risk to plant health of ditylenchus destructor for the. Henderson 1 nature volume 167, page 952 1951 cite this article. Nematicidal activity against aphelenchoides besseyi and. Ditylenchus definition is a genus of small slender nematode worms family tylenchidae including serious plant parasites as the potato rot nematode and the bulb eelworm as well as a number of harmless soil forms and commensals. Ditylenchus destructor is an influential pathogenic potato nematode and is quarantine pest in many states. Ditylenchus dipsaci an overview sciencedirect topics.
Ditylenchus destructor is a ppn that has been proposed as a new model for studying the biology and control of ppns. Distribution and fluctuations in the soils of western france in vegetable and fodder cultures. In the absence of host plants it is capable of feeding and reproducing on mycelia of many fungi. The panel on plant health performed a pest categorisation of. To understand the structure and function of the vgccs of this ppn, we first cloned and identified three fulllength cdnas of vgcc. Ditylenchus article about ditylenchus by the free dictionary. Sand bioassays for the chemotaxis of ditylenchus destructor in response. Eppo european and mediterranean plant protection organization. Introduction among the more than 80 species presently recognized in the genus ditylenchus filipjev, 1936, only a few are parasites of higher plants, while the majority of species is mycophagous. Available at eppo european and mediterranean plant protection organization. Molecular characterization of ditylenchus destructor voltage. Ditylenchus destructor is a plant pathogenic nematode commonly known as the potato rot nematode.
Rapid diagnosis of ditylenchus destructor by loopmediated. It focused the assessment of entry, establishment, spread and impact on two crops. Ditylenchus gigas ditygidocuments eppo global database. It is an endoparasitic, migratory nematode commonly found in areas such as the united states, europe, central asia and southern africa. Ditylenchus africanus indigenous to southern africa is the predominant. Ditylenchus destructor and ditylenchus dipsaci eppo global. Download fulltext pdf first report of potato tuber rot caused by ditylenchus destructor in liaoning, china article pdf available in plant disease 1042 september 2019 with 29 reads. Ditylenchus destructor and ditylenchus dipsaci, eppo bulletin. Ditylenchus destructor contains nine of these proteins, which is more than even c. Other common names include the iris nematode, the potato tuber eelworm and the potato tuber nematode. Presence of the potato rot nematode potato growing areas preclude the export of potatoes to international markets due to the restrictions imposed by many countries against this pest. Pdf population dynamics of ditylenchus destructor on peanut.
Attractant and repellent effects of sweet potato root exudates on the. Ditylenchus destructor has been reported to be an important pest of potato in temperate regions of europe and the usa sturhan and brzeski, 1991. Pm 787 2 ditylenchus destructor and ditylenchus dipsaci. Aphelenchoides besseyi and ditylenchus destructor can cause serious problems for a number of important agricultural crops and vegetables. Ditylenchus a genus of roundworms, or nematodes, of the family tylenchidae.
The ditylenchus destructor genome provides new insights. Some host relationships of the potatorot nematode, ditylenchus destructor thorne, 1945 v. Ditylenchus definition of ditylenchus by merriamwebster. Scientific opinion on the pest categorisation of ditylenchus. Currently, with the development of molecular biology. Similarities to other speciesconditions top of page the ditylenchus species that attacks groundnut in south africa has been referred to as d. Currently, with the development of molecular biology, many. Ditylenchus destructor is an important plant pathogenic nematode in agricultural production and is listed as a quarantine pest by many countries and regions. Aug 10, 20 the genus ditylenchus contains more than 80 recognized nematode species with a very wide host range. An entomopathogenic fungus was tested for its efficacy in controlling. Pdf molecular identification of ditylenchus destructor nematode. Ditylenchus destructor thorne 1945 in champignons springerlink. Discovery of potato rot nematode, ditylenchus destructor.
Communities of ditylenchus destructor satellite species of. Ditylenchus destructor, the two species rarely occur together in the same plant andrassy and farkas, 1988. Among them, two species are extremely polyphagous, namely ditylenchus dipsaci and d. Pdf first report of potato tuber rot caused by ditylenchus. Dec 07, 2016 the efsa panel on plant health performed a pest risk assessment on ditylenchus destructor, the potato rot nematode, for the eu. Ditylenchus dipsaci and ditylenchus destructor ippc. Ditylenchus destructor ditydedocuments eppo global database. A culture technique for ditylenchus destructor on sweet. The efsa panel on plant health performed a pest risk assessment on ditylenchus destructor, the potato rot nematode, for the eu. A new distribution map is provided for ditylenchus destructor thorne, nematoda. Ditylenchus dipsaci is a plant pathogenic nematode that primarily infects onion and garlic. The type species of the genus is the stem and bulb nematode, ditylenchus dipsaci, which is a severe plant pathogen worldwide, although its.
Together with several fungi, the plant parasitic nematode ditylenchus destructor is among the pathogens that cause serious damage to garlic production areas in japan. Anguillulina filipev, 1936 nothotylenchus thorne, 1941 boleodoroides mathur, khan and prasad, 1966 diptenchus khan, chawla and seshadri, 1969 safianema siddiqi, 1980 orrina brzeski, 1981. In this study, the ethanol extract of stellera chamaejasme l. Pm70872 ditylenchus destructor and ditylenchus dipsaci.
It may cause rotting of potato tubers thereby reducing yield and quality and tuber rotting may also continue during storage if conditions for nematode development are favourable. Without a resistant resting stage, the species overwinters in soil as adults or larvae and may even. Pdf summary the reproduction and effect of ditylenchus destructor isolated from groundnut in south africa on seven commercial potato cultivars, bp 1. Management through crop rotation is not feasible because of their wide host range. Ditylenchus dipsaci is one of the most devastating plant parasitic nematodes on a wide range of crops. Ditylenchus destructor is a polyphagous nematode infecting more than 100 species of plants from a wide variety of families. In heavy infestation crop losses of 6080% are not unusual. Pdf ditylenchus destructor in hulls and seeds of peanut.
The genus ditylenchus contains more than 80 recognized nematode species with a very wide host range. Ditylenchus destructor thorne, is reported for the first time in hulls and seeds of peanut. Between 2012 and 2014, 345 garlic bulb samples were tested for ditylenchus spp. Population dynamics of ditylenchus destructor on peanut article pdf available in journal of nematology 234. Ditylenchus dipsaci is an important pathogen of onion and garlic and causes reductions in bulb quality. Study of ditylenchus dipsaci kuhn filipjev populations. Ditylenchus dipsaci and ditylenchus destructor published fri, 28 apr 2017, 11. An integrated approach for management of rice stem nematode, ditylenchus angustus in deep water rice in assam. Symptoms of infection include stunted growth, discoloration of bulbs, and swollen stems. Ditylenchus africanus causes cellular breakdown in pod tissue of susceptible groundnut cultivars.