Life cycle and mating behavior of Helicotylenchus multicinctus (Nematoda: Hoplolaimidae) on excised Musa cavendishii roots |
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Authors: | Mehmet Karakaş |
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Affiliation: | (1) Department of Biology, Faculty of Science, Ankara University, 06100 Besevler-Ankara, Turkey |
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Abstract: | The life cycle and mating behavior of Helicotylenchus multicinctus (Nematoda: Hoplolaimidae) were observed in vitro on excised roots of Musa cavendishii in gnotobiotic culture. Eggs hatched into juveniles whose appearance and structure were similar to those of the adults. Juveniles grew in size and each juvenile stage was terminated by a molt. H. multicinctus had four juvenile stages. The first molt occurred outside the egg shortly after hatching. After the final molt the juveniles differentiated into adult males and females. Mating was required for reproduction. After mating, fertilized females began to lay eggs. The life cycle from second stage juvenile to second stage juvenile was completed in 39 days. |
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Keywords: | Helicotylenchus multicinctus banana spiral nematode gnotobiotic culture |
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