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All Journal International Journal of Biosciences and Biotechnology BERITA BIOLOGI CROP AGRO, Scientific Journal of Agronomy Journal of Science and Science Education (JoSSEd) Agroteksos
Sudirman Sudirman
Program Studi Agroekoteknologi Fakultas Pertanian Universitas Mataram
Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Environmental Science Materials Science & Nanotechnology Neuroscience Physics Social Sciences

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Journal : BERITA BIOLOGI

 1 
PENGARUH PENINGKATAN KONSENTRASI AMONIUM TERHADAP PERKEMB ANGAN Meloidogynejavanica PADA KULTUR AKAR TOMAT Sudirman Sudirman
BERITA BIOLOGI Vol 9, No 4 (2009)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v9i4.2010

Abstract

Research was aimed at knowing the effect of increasing ammonium concentrations on Meloidogyne javanica development in tomato roots growing in axenic culture.Egg masses of M. javanica were exposed to deficient ammonium concentration (1.5 ppm NH/) in a nutrient agar medium upon which tomato roots were growing. One week after inoculation, stages of nematode development were recorded and infected tomato roots were aseptically transferred into nutrient agar media with four different ammonium concentrations (1.5. 9.0. 54 and 324 ppm NH/). Stages of nematode development inside roots were then observed at weekly interval for three weeks. Results of the research showed that increasing ammonium concentration after root infection suppressed nematode development. In roots transferred to high ammonium concentrations, fewer nematodes matured and most of those that did were males. In addition, there were also fewer galls and lower root dry weights in increased ammonium than those with constant low ammonium concentration.
Co-Authors Annisa Riska Wahyuni B. Mustainnah Baiq Minarti Rismanovi Citra Sintia Andari Ebi Suanto Ervina Mu’amalia Hatma Anggraini Amalia I Komang Damar Jaya I Komang Damar Jaya Irwan Muthahanas Jayaputra (3 Muhammad Sarjan Rosmilawati Rosmilawati Wahyu Astiko Zubaidi, Akhmad