Implikasi keberadaan agens hayati Neochetina eichhorniae (Coleoptera: Curculionidae) terhadap eceng gondok

The effectiveness of <em>Neochetina eichhorniae</em> as a biocontrol agent of waterhyacinth was evaluated in West Java and DKI Jakarta. The objective of this research was to study the implication of the existence of <em>N. eichhorniae</em> on waterhyacinth. Research was condu...

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Autores principales: Sapdi Sapdi, Damayanti Buchori, Utomo Kartosuwondo, S. Tjitrosemito, Bandung Sahari
Formato: article
Lenguaje:EN
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Publicado: The Entomological Society of Indonesia 2017
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Acceso en línea:https://doaj.org/article/1ea87aea974f4459afa3fbb6cd30a68f
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Sumario:The effectiveness of <em>Neochetina eichhorniae</em> as a biocontrol agent of waterhyacinth was evaluated in West Java and DKI Jakarta. The objective of this research was to study the implication of the existence of <em>N. eichhorniae</em> on waterhyacinth. Research was conducted in several freshwater ecosystem infested by waterhyacinth and <em>N. eichhorniae</em>, including Cibinong and Lido lakes (Bogor District), Muara Angke Sanctuary (North Jakarta), and Citarum Hulu river (Purwakarta District), conducted during April to August 2004. The impact of <em>N. eichhorniae</em> on waterhyacinth was evaluated by leaf damage intensity and growth parameter of the plant. Results showed that there was no correlation between waterhyacinth and the occurrence of the <em>N. eichhorniae</em>. The population of <em>N. eichhorniae</em> adults was significantly low in any locations studied. Thus, the existence of the biocontrol agent can not result in decreasing of waterhyacinth population.