Spiral nematodes of the genus Helicotylenchus are among the most ubiquitous With the exception of Helicotylenchus multicinctus, spiral nematodes are not. The damage symptoms are similar to those caused by other serious root endoparasites of the family Pratylenchidae, both on banana plants and plantains. The life cycle and mating behavior of Helicotylenchus multicinctus (Nematoda: Hoplolaimidae) were observed in vitro on excised roots of Musa cavendishii in.
|Published (Last):||2 March 2017|
|PDF File Size:||19.4 Mb|
|ePub File Size:||19.32 Mb|
|Price:||Free* [*Free Regsitration Required]|
However, the damage induced by this nematode in Florida has not been assessed. Freeliving, predaceous and plant-parasitic nematodes. Revision of the Hoplolaiminae Nematoda VI.
Reported median body size for this species Length mm; width micrometers – Click: Molecular characterisation and diagnostics of some Longidorus species Nematoda: Studies on Longidoridae Nematoda, Dorylaimida helicitylenchus raspberry ringspot virus spread in some artichoke fields in Greece. Helicotylennchus combination of morphological evaluation, morphometrics, and molecular phylogenetic inference should be used to accurately determine the species of an individual population Subbotin et al.
Helicotylenchus species as crop damaging helicotylecnhus nematodes. Helicotylenchus multicinctus on bananas: Inter-population variability of Longidorus euonymus Mali and Hooper, Nematoda, Dorylaimida and comment upon the number of multlcinctus developmental stages.
The nematode attacks the outer cortical part of the root causing characteristic necrotic lesions, which are at first yellow in colour and then turn reddish-brown to black. Continuing to use www. Heavy infestations may cause root necrosis.
Helicotylenchus multicinctus (banana spiral nematode)
Longidorus euonymus Mali and Hooper, is a species widely distributed in central and south Europe found in a wide range of hosts including perennial, woody, annual and herbaceous plants Oro et al. Nematologia Mediterranea, 22 1: Soil population of Helicotylenchus multicinctus under Pueraria phaseoloides, Flemingia macrophylla and natural bush fallows and their effect on plantain yield in the humid forest zone of southern Cameroon.
Find articles by Emmanuel A. The best option is to ensure that banana corms are free of any nematodes prior to planting.
In Florida, seashore paspalum, a turfgrass used in tropical and subtropical regions, is particularly susceptible to infestation by Helicotylenchus paxilli. Nematodes and fungi associated with root systems in a state of decline in Lebanon. The nematodes can survive 4 months helicotlyenchus host plants, but is less resistant to desiccation than H.
Tail slightly tapering, with anus marked by a slight depression; terminus annulated, hemispherical in shape, with dorsal margin more curved than ventral; cuticular rings on ventral side. Similar to female, except for sexual dimorphism.
Procorpus usually expanded anteriorly. Banana is cultivated in Crete Greece in greenhouses and outdoors, and mmulticinctus nematode has been previously reported in several cases Vovlas et al.
Cobb in as Tylenchus multicinctus. In spring andsoil samples were collected from the rhizosphere of a grapevine at Athens.
College of Tropical Agriculture and Human Resources. Plant nematode problems of the Windward Islands. The nematode inserts its mouth-spear stylet into the epidermis and cortical helicotylecnhus and ingests the cellular contents. This moving nematode is outstretched. Received Jun Helicotylenchus paxilli has been demonstrated to reduce growth of bermudagrass and seashore paspalum used on Florida golf courses Pang et al. The body of Helicotylenchus and other spiral nematodes curve into a spiral when the nematode is dead or relaxed.
Helicotylenchus pseudorobustus will generally stay in one location feeding on a single food cell, but can also move to a different location on the same or different root and induce a new food cell at the new location. Helicotylenchus multicinctus is a plant pathogenic nematode that affects primarily bananas and plantains.
Sikora; John Bridge, eds. Dorylaimida associated with spindle trees infected with euonymus mosaic virus in Czechoslovakia. Go to distribution map Datasheet Helicotylenchus multicinctus banana spiral nematode. Because these symptoms could be induced by other causes, a laboratory assay conducted by a qualified diagnostic lab such as the Florida Nematode Assay Lab is required for a positive diagnosis. Land Grant Technical Report No.
Spicule s only slightly cephalated with narrowed distal half bearing small ventral flanges. Nematodes of Tropical Crops. Anterior and posterior cephalids usually indistinct, 0 to 1 and 4 to 6 annules posterior to cephalic framework, respectively. Muticinctus multicinctus Tylenchorhynchus multicinctus Anguillulina multicincta Rotylenchus multicinctus Rotylenchus iperoiguensis Helicotylenchus iperoiguensis.
Heelicotylenchus Guiran G; Vilardebo A, Tylenchida Parasites of Plants and Insects, 2nd ed. The spiral nematode, Helciotylenchus multicinctus, on bananas in Florida and its control. Revue de Nematologie, 6 mulgicinctus