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.

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Injection of DBCP into the soil as a 1: The species is bisexual and reproduces by cross-fertilization or amphimixis.

Phasmids punctate, annuli helucotylenchus to anus. Helicotylenchus multicinctus on bananas: In some cases, Helicotylenchus pseudorobustus induces development of a specialized food cell on which it feeds Vovlas and Inserra Detection and Inspection Top of page Because of the endoparasitic habits of the species, populations of H. Occurence of banana diseases in the state of Alagoas. The spiral nematode Helicotylenchus multicinctus on bananas in Florida and its control.

Nematropica

Radopholus similis and other nematode species on banana. From Wikipedia, the free encyclopedia. Yield of infested banana plants declines to an unacceptable level after three years. Inner incisures of lateral field s usually not fusing for some distance on tail.

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Hemizonid usually distinct, annules hellicotylenchus, annules anterior to excretory pore Hemizonion minute, annules behind excretory pore. Caudal alae crenate, enveloping tail but not protruding beyond it in lateral view.

Reported median body size for this species Length mm; width micrometers – Click:. 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.

Distribution Back to Top Multicintus spp. The genus Helicotylenchus Steiner, EU pesticides database www. Author information Article notes Copyright and License information Disclaimer.

Helicotylenchus multicinctus

Nematode damage is visible as patches of declining turf. The authors thank J. Gowen S; Queneherve P, After further study by A. Nematode species in West Africa, Madagascar and Reunion, with some comments on their biology. Spermatheca e slightly offset, rounded, usually filled with sperms.

Hoplolaimidae Introduction – Distribution – Life Cycle and Biology – Hosts – Symptoms – Identification – Economic Importance – Management – Selected References Introduction Back to Top The common name spiral nematode is most often applied to nematodes in the genus Helicotylenchusbut it is also sometimes applied to other genera in the family Hoplolaimidae, including RotylenchusAorolaimusScutellonemaand Peltamigratus.

Measurements and drawings were done using a drawing tube attached to the microscope.

Queensland Agricultural Journal, Life Cycle The life cycle of H. Nematologia Mediterranea, 22 1: Banana rhizomes can be peeled and dipped in water for 20 min at 55 C or, in the past, were dipped in DBCP solution.

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On this grass, Helicotylenchus paxilli is among the most common nematodes requiring nematicide application in Florida. Received Jun Golden in it was transferred to the genus Helicotylenchus. Descriptions of Plant-parasitic Nematodes.

Estimating the nema population of soil. Longidoridae from Russia and other countries using rRNA genes.

spiral nematode – Helicotylenchus pseudorobustus (Steiner, ) Golden,

Dorylaimida associated with spindle trees infected with euonymus mosaic virus in Czechoslovakia. Blakestudying the host-parasite relationships of this species on banana roots, observed that adults inoculated fed within 36 hours upon parenchymatous cells partly embedded in the milticinctus after 4 days they were wholly inside the cortical layer to a depth of about cells.

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 multiciinctus Oro et al.