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All Journal BIOTROPIA - The Southeast Asian Journal of Tropical Biology Jurnal Kreatif Tadulako Online Jurnal Jatiswara Jurnal Manajemen Transportasi & Logistik (JMTRANSLOG) Agroswagati : Jurnal Agronomi Wiga : Jurnal Penelitian Ilmu Ekonomi Jurnal Ilmu Manajemen Advantage Assets : Jurnal Ilmiah Ilmu Akuntansi, Keuangan dan Pajak Journal of Management and Administration Provision Innovative: Journal Of Social Science Research Indo-Fintech Intellectuals: Journal of Economics and Business SCIENTIA JOURNAL : Jurnal Ilmiah Mahasiswa
Kasno Kasno
Sekolah Tinggi Ilmu Ekonomi Widya Gama Lumajang
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Journal : BIOTROPIA - The Southeast Asian Journal of Tropical Biology

 1 
INTEGRATED USE OF NEOCHETINA BRUCHI AND ALTERNARIA EICHHORNIAE IN CONTROLLING WATER HYACINTH S. DHARMAPUTRA, OKKY; KASNO, KASNO; SUNJAYA, SUNJAYA; PUTRJ, ASMARINA S.R.; HANDAYANI, HERI S.
BIOTROPIA No. 13 (1999)
Publisher : SEAMEO BIOTROP

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (327.044 KB) | DOI: 10.11598/btb.1999.0.13.151

Abstract

The study on the integrated use of the chevroned water hyacinth weevil (Neochetina bruchi Mustache) and the water hyacinth blight disease  (Alternaria eichhorniae Nag Raj & Ponnappa) in suppressing water hyacinth growth was carried out under field conditions at Situ Bagendit lake, Garut, West Java. The objectives of this study were (I) to investigate whether the combined use of the two control agents produced a better effect in suppressing water hyacinth growth, (ii) to evaluate whether there is a change in oviposition and feeding habit of the chevroned water hyacinth weevil if the water hyacinth is seriously infected by  A. eichhorniae, and (iii) to evaluate the progress of weevil establishment in the field. The following results were obtained:(1) The concentration of Tween 80 which did not interfere with spore germination was 3%.(2) There was no difference between distilled water and 1% Potato Dextrose Broth (PDB) as a medium for fungal spores production.(3) The combined use of chevroned water hyacinth weevil and the water hyacinth blight produces a better suppressing on water hyacinth growth.(4) There was no significant effect of heavy infection by the water hyacinth blight on oviposition habit of chevroned water hyacinth weevil. Heavy fungal infection only affected feeding habit of the adult chevroned water hyacinth weevil.(5) Establishment of the chevroned water hyacinth weevil is in progress at Situ Bagendit lake, Garut regency, West Java.
Co-Authors Abdur Rouf, Abdur Amran Jaenudin Anggara, Dian Christopher Aswanti Setyawati Awwaliyah, Intan Cahyaningati, Retno Chrisdianto Eko Purnomo, Chrisdianto Daldiyono Hardjodisatro, Daldiyono Darmono Dwi Hendro Wibowo, Gatot Eddy Sudijanto, Eddy Faqih , Achmad Farmaditya EF Mundhofir, Farmaditya EF HANDAYANI, HERI S. heni heni Hery D Purnomo, Hery D Hesti Budiwati Imam Sonny, Imam Imran , Besse Imrayani Istifadah Istifadah, Istifadah Moh. Hudi Setyobakti Pantolosang, Claudia Yael PUTRJ, ASMARINA S.R. R Djokomoeljanto1, R S. DHARMAPUTRA, OKKY Setyobakti, Hudi Sri Adrianti Muin Sudirman Abbas, Ahmad Sultana MH Faradz Sunjaya Sunjaya Susanti, Alifi Tria Syaifullah Syaifullah Wiyono, Muhammad Wimbo Yusri Yusri Zaenal Abidin